1、 Automotive Power Data SheetRev. 1.2, 2014-07-03 TLE42744 Low Dropout Linear Voltage Regulator TLE42744DV50 TLE42744GV50 TLE42744EV50 TLE42744GV33 TLE42744DV33 TLE42744GSV33 TLE42744Type Package Marking TLE42744DV50 PG-TO252-3 42744V5 TLE42744GV50 PG-TO263-3 42744V5 TLE42744EV50 PG-SSOP-14 exposed p
2、ad 42744V5 TLE42744DV33 PG-TO252-3 42744V33 TLE42744GV33 PG-TO263-3 42744V33 TLE42744GSV33 PG-SOT223-4 42744V33 Data Sheet 2 Rev. 1.2, 2014-07-03PG-TO252-3 PG-TO263-3 PG-SSOP-14 exposed pad PG-SOT223-4 Low Dropout Linear Voltage Regulator1O v e r v i e w Features Very Low Current Consumption Output
3、Voltages 5 V and 3.3 V 2% Output Current up to 400 mA Very Low Dropout Voltage Output Current Limitation Reverse Polarity Protection Overtemperature Shutdown Wide Temperature Range From -40 C up to 150 C Green Product (RoHS compliant) AEC Qualified Description The TLE42744 is a monolithic integrated
4、 low dropout voltage regulator for load currents up to 400 mA. An input voltage up to 40 V is regulated to V Q,nom = 5 V / 3.3 V with a precision of 2%. The device is designed for the harsh environment of automotive applications. Therefore it is protected against overload, short circuit and overtemp
5、erature conditions by the implemented output current limitation and the overtemperature shutdown circuit. The TLE42744 can be also used in all other applications requiring a stabilized 5 V / 3.3 V voltage. Due to its very low quiescent current the TLE42744 is dedicated for use in applications perman
6、ently connected to V BAT . TLE42744 Block Diagram Data Sheet 3 Rev. 1.2, 2014-07-032 Block Diagram Figure 1 Block Diagram AEB01959 GND Q Bandgap Reference Control Amplifier Sensor Temperature Buffer Saturation Control and Protection Circuit Data Sheet 4 Rev. 1.2, 2014-07-03TLE42744 Pin Configuration
7、 3 Pin Configuration 3.1 Pin Assignment PG-TO252-3, PG-TO263-3 and PG-SOT223-4 Figure 2 Pin Configuration (top view) 3.2 Pin Definitions and Functions PG-TO252-3, PG-TO263-3 and PG-SOT223-4 Pin No. Symbol Function 1I Input block to ground directly at the IC with a ceramic capacitor 2G N D Ground int
8、ernally connected to heat slug 3Q Output block to ground with a capacitor close to the IC terminals, respecting the values given for its capacitance and ESR in “Functional Range” on Page 6 4 / Heat Slug Heat Slug internally connected to GND; connect to GND and heatsink area AEP02561 13 Q GND GND Q A
9、EP02281 PinC onfig_PG-SOT223- 4.vsd 123 4 I GND GND Q TLE42744 Pin Configuration Data Sheet 5 Rev. 1.2, 2014-07-033.3 Pin Assignment PG-SSOP-14 exposed pad Figure 3 Pin Configuration (top view) 3.4 Pin Definitions and Functions PG-SSOP-14 exposed pad Pin No. Symbol Function 1, 2, 3, 5, 6, 7 n.c. Not
10、 connected can be open or connected to GND 4G N D Ground 8, 10, 11, 12, 14 n.c. Not connected can be open or connected to GND 9Q Output block to ground with a capacitor close to the IC terminals, respecting the values given for its capacitance and ESR in “Functional Range” on Page 6 13 I Input block
11、 to ground directly at the IC with a ceramic capacitor Pad Exposed Pad connect to GND and heatsink area n.c. n.c. Q n.c. n.c. n.c. I n.c. n.c. n.c. n.c. GND n.c. n.c. 1 2 3 4 5 6 7 14 9 10 11 12 13 8 TLE7274-2_PINCONFIG_SSOP- 14.SVG Data Sheet 6 Rev. 1.2, 2014-07-03TLE42744 General Product Character
12、istics 4 General Product Characteristics 4.1 Absolute Maximum Ratings Notes 1. Stresses above the ones listed here may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2. Integrated protection functions are desig
13、ned to prevent IC destruction under fault conditions described in the data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions are not designed for continuous repetitive operation. 4.2 Functional Range Table 1 Absolute Maximum Ratings 1)T j = -40 C to 150
14、 C; all voltages with respect to ground, (unless otherwise specified) 1) not subject to production test, specified by design Parameter Symbol Values Unit Note / Test Condition Number Min. Typ. Max. Input I Voltage V I -42 45 V P_4.1.1 Output Q Voltage V Q -1 40 V P_4.1.2 Temperature Junction tempera
15、ture T j -40 150 C P_4.1.3 Storage temperature T stg -50 150 C P_4.1.4 ESD Susceptibility ESD Absorption V ESD,HBM -4 4 kV Human Body Model (HBM) 2) 2) ESD susceptibility Human Body Model “HBM” according to AEC-Q100-002 - JESD22-A114 P_4.1.5 ESD Absorption V ESD,CDM -1000 1000 V Charge Device Model
16、(CDM) 3)at all pins 3) ESD susceptibility Charged Device Model “CDM” according to ESDA STM5.3.1 P_4.1.6 Table 2 Functional Range Parameter Symbol Values Unit Note / Test Condition Number Min. Typ. Max. Input voltage V I 5.5 40 V TLE42744DV50, TLE42744GV50, TLE42744EV50 P_4.2.1 Input voltage V I 4.7
17、40 V TLE42744GV33, TLE42744DV33, TLE42744GSV33 P_4.2.2 TLE42744 General Product Characteristics Data Sheet 7 Rev. 1.2, 2014-07-03Note: Within the functional or operating range, the IC operates as described in the circuit description. The electrical characteristics are specified within the conditions
18、 given in the Electrical Characteristics table. 4.3 Thermal Resistance Note: This thermal data was generated in accordance with JEDEC JESD51 standards. For more information, go to www.jedec.org. Output Capacitors Requirements for Stability C Q 22 F 1) P_4.2.3 Output Capacitors Requirements for Stabi
19、lity ESR(C Q )3 2) P_4.2.4 Junction temperature T j -40 150 C P_4.2.5 1) the minimum output capacitance requirement is applicable for a worst case capacitance tolerance of 30% 2) relevant ESR value at f=1 0kH z Table 3 Thermal Resistance Parameter Symbol Values Unit Note / Test Condition Number Min.
20、 Typ. Max. TLE42744DV50, TLE42744DV33 (PG-TO252-3) Junction to Case 1) R thJC 3.6 K/W measured to heat slug P_4.3.1 Junction to Ambient 1) R thJA 27 K/W FR4 2s2p board 2) P_4.3.2 Junction to Ambient 1) R thJA 115 K/W FR4 1s0p board, footprint only 3) P_4.3.3 Junction to Ambient 1) R thJA 52 K/W FR4
21、1s0p board, 300 mm heatsink area 3) P_4.3.4 Junction to Ambient 1) R thJA 40 K/W FR4 1s0p board, 600 mm heatsink area 3) P_4.3.5 TLE42744GV50, TLE42744GV33 (PG-TO263-3) Junction to Case 1) R thJC 3.6 K/W measured to heat slug P_4.3.6 Junction to Ambient 1) R thJA 22 K/W FR4 2s2p board 2) P_4.3.7 Jun
22、ction to Ambient 1) R thJA 74 K/W FR4 1s0p board, footprint only 3) P_4.3.8 Junction to Ambient 1) R thJA 42 K/W FR4 1s0p board, 300 mm heatsink area 3) P_4.3.9 Junction to Ambient 1) R thJA 34 K/W FR4 1s0p board, 600 mm heatsink area 3) P_4.3.10 Table 2 Functional Range (contd) Parameter Symbol Val
23、ues Unit Note / Test Condition Number Min. Typ. Max. Data Sheet 8 Rev. 1.2, 2014-07-03TLE42744 General Product Characteristics TLE42744EV50 (PG-SSOP-14 exposed pad) Junction to Case 1) R thJC 7 K/W measured to exposed pad P_4.3.11 Junction to Ambient 1) R thJA 43 K/W FR4 2s2p board 2) P_4.3.12 Junct
24、ion to Ambient 1) R thJA 120 K/W FR4 1s0p board, footprint only 3) P_4.3.13 Junction to Ambient 1) R thJA 59 K/W FR4 1s0p board, 300 mm heatsink area 3) P_4.3.14 Junction to Ambient 1) R thJA 49 K/W FR4 1s0p board, 600 mm heatsink area 3) P_4.3.15 TLE42744GSV33 (PG-SOT223-4) Junction to Case 1) R th
25、JC 17 K/W measured to heat slug P_4.3.16 Junction to Ambient 1) R thJA 54 K/W FR4 2s2p board 2) P_4.3.17 Junction to Ambient 1) R thJA 139 K/W FR4 1s0p board, footprint only 3) P_4.3.18 Junction to Ambient 1) R thJA 73 K/W FR4 1s0p board, 300 mm heatsink area 3) P_4.3.19 Junction to Ambient 1) R thJ
26、A 64 K/W FR4 1s0p board, 600 mm heatsink area 3) P_4.3.20 1) Not subject to production test, specified by design. 2) Specified R thJAvalue is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The Product (Chip+Package) was simulated on a 76.2 x 114.3 x 1.5 mm board with 2 in
27、ner copper layers (2 x 70m Cu, 2 x 35m Cu). Where applicable a thermal via array under the exposed pad contacted the first inner copper layer. 3) Specified R thJAvalue is according to Jedec JESD 51-3 at natural convection on FR4 1s0p board; The Product (Chip+Package) was simulated on a 76.2 114.3 1.
28、5 mm 3board with 1 copper layer (1 x 70m Cu). Table 3 Thermal Resistance (contd) Parameter Symbol Values Unit Note / Test Condition Number Min. Typ. Max. TLE42744 Electrical Characteristics Data Sheet 9 Rev. 1.2, 2014-07-035 Electrical Characteristics 5.1 Electrical Characteristics Voltage Regulator
29、 Table 4 Electrical Characteristics V I=13.5 V; T j = -40 C to 150 C; all voltages with respect to ground (unless otherwise specified) Parameter Symbol Values Unit Note / Test Condition Number Min. Typ. Max. Output Q Output Voltage V Q 4.9 5.0 5.1 V TLE42744DV50, TLE42744GV50, TLE42744EV50 5mAI Q 4
30、00mA 6VV I 2 8V P_5.1.1 Output Voltage V Q 4.9 5.0 5.1 V TLE42744DV50, TLE42744GV50, TLE42744EV50 5mAI Q 200 mA 6VV I 4 0V P_5.1.2 Output Voltage V Q 3.23 3.3 3.37 V TLE42744GV33, TLE42744DV33, TLE42744GSV33; 5mAI Q 4 00mA 4.7 V V I 2 8V P_5.1.3 Output Voltage V Q 3.23 3.3 3.37 V TLE42744GV33, TLE42
31、744DV33, TLE42744GSV33; 5mAI Q 200 mA 4.7 V V I 4 0V P_5.1.4 Dropout Voltage V dr 250 500 mV TLE42744DV50, TLE42744GV50, TLE42744EV50 I Q = 250 mA V dr = V I V Q 1) P_5.1.5 Load Regulation V Q, lo 20 50 mV TLE42744DV50, TLE42744GV50, TLE42744EV50; I Q = 5 mA to 400 mA V I =6V P_5.1.6 Load Regulation
32、 V Q, lo 40 70 mV TLE42744GV33, TLE42744DV33, TLE42744GSV33; I Q = 5 mA to 300 mA P_5.1.7 Line Regulation V Q, li 1 02 5m VV l = 12 V to 32 V I Q =5mA P_5.1.8 Data Sheet 10 Rev. 1.2, 2014-07-03TLE42744 Electrical Characteristics Output Current Limitation I Q 400 600 1100 mA 1) P_5.1.9 Power Supply R
33、ipple Rejection 2) PSRR 6 0d B f r =10 0H z; V r = 0.5 Vpp P_5.1.10 Temperature Output Voltage Drift 0.5 mV/K P_5.1.11 Overtemperature Shutdown Threshold T j,sd 1 5 1 2 0 0 C T jincreasing 2) P_5.1.12 Overtemperature Shutdown Threshold Hysteresis T j,sdh 2 5 C T jdecreasing 2) P_5.1.13 Current Consu
34、mption Quiescent Current I q = I I I Q I q 1 0 02 2 0 A I Q = 1 mA P_5.1.14 Current Consumption I q = I I I Q I q 81 5m A I Q = 250 mA P_5.1.15 Current Consumption I q = I I I Q I q 15 25 mA TLE42744DV50, TLE42744GV50, TLE42744EV50; I Q = 400 mA P_5.1.16 Current Consumption I q = I I I Q I q 20 30 m
35、A TLE42744GV33, TLE42744DV33, TLE42744GSV33; I Q = 400 mA P_5.1.17 1) Measured when the output voltage V Qhas dropped 100 mV from the nominal value obtained at V I= 13.5 V. 2) not subject to production test, specified by design Table 4 Electrical Characteristics (contd) V I=13.5 V; T j = -40 C to 15
36、0 C; all voltages with respect to ground (unless otherwise specified) Parameter Symbol Values Unit Note / Test Condition Number Min. Typ. Max. dV Q dT - TLE42744 Electrical Characteristics Data Sheet 11 Rev. 1.2, 2014-07-035.2 Typical Performance Characteristics Voltage Regulator Current Consumption
37、 I qversus Output Current I Q Current Consumption I qversus Low Output Current I QOutput Voltage Variation V Qversus Junction Temperature T J Dropout Voltage V drversus Output Current I Q(5 V versions only) 01_IQ_IQ.VSD 0 2 4 6 8 10 12 14 16 0 100 200 300 400 I QmA I q mA V I= 13.5 V T j= 25 C 02_IQ
38、_IQLOW .VSD 0 0,2 0,4 0,6 0,8 1 1,2 1,4 02 04 06 08 01 0 0 I QmA I q mA V I= 13.5 V T j= 25 C 03_VQ_TJ.VSD -0,5 -0,4 -0,3 -0,2 -0,1 0 0,1 0,2 0,3 0,4 0,5 -40 0 40 80 120 T jC V Q % I Q= 5 mA V I= 13.5 V 150 04_VD R_IQ.VSD 0 50 100 150 200 250 300 350 400 450 500 0 100 200 300 400 I QmA V DR mV T j=
39、150 C T j= 25 C T j= -40 C Data Sheet 12 Rev. 1.2, 2014-07-03TLE42744 Electrical Characteristics Dropout Voltage V drversus Junction Temperature (5 V versions only) Maximum Output Current I Qversus Input Voltage V I Region Of Stability: Output Capacitors ESR ESR(C Q ) versus Output Current I Q 05_VD
40、R_TJ.VSD 0 50 100 150 200 250 300 350 400 450 500 -40 0 40 80 120 160 T jC V DR mV I Q= 400 mA I Q= 100 mA I Q= 10 mA 0 6 _ IQMAX_ VI.VSD 0 100 200 300 400 500 600 700 800 900 01 02 03 04 0 V IV I Q,max mA V Q= V Q,nom- 100 mV T j= -40 C T j= 25 C T j= 150 C 07_ESR_IQ.VSD 0,01 0,1 1 10 0 100 200 300
41、 400 I QmA ESR(C Q ) C Q= 22 F V I= 13.5 V Stable Region Unstable Region TLE42744 Application Information Data Sheet 13 Rev. 1.2, 2014-07-036 Application Information Note: The following information is given as a hint for the implementation of the device only and shall not be regarded as a descriptio
42、n or warranty of a certain functionality, condition or quality of the device. 6.1 Application Diagram Figure 4 Application Diagram 6.2 Selection of External Components 6.2.1 Input Pin The typical input circuitry for a linear voltage regulator is shown in the application diagram above. A ceramic capa
43、citor at the input, in the range of 100 nF to 470 nF, is recommended to filter out the high frequency disturbances imposed by the line e.g. ISO pulses 3a/b. This capacitor must be placed very close to the input pin of the linear voltage regulator on the PCB. An aluminum electrolytic capacitor in the
44、 range of 10 F to 470 F is recommended as an input buffer to smooth out high energy pulses, such as ISO pulse 2a. This capacitor should be placed close to the input pin of the linear voltage regulator on the PCB. An overvoltage suppressor diode can be used to further suppress any high voltage beyond
45、 the maximum rating of the linear voltage regulator and protect the device against any damage due to over-voltage. The external components at the input are not mandatory for the operation of the voltage regulator, but they are recommended in case of possible external disturbances. 6.2.2 Output Pin A
46、n output capacitor is mandatory for the stability of linear voltage regulators. The requirement to the output capacitor is given in “Functional Range” on Page 6. The graph “Region Of Stability: Output Capacitors ESR ESR(C Q ) versus Output Current I Q ” on Page 12 shows the stable operation range of
47、 the device. Supply 100nF 10F C I1 C I2 Regulated Output Voltage I Q C Q 45V D I Load (e.g. Micro Controller ) GND I I Bandgap Reference GND Q I Current Limitation Temperature Shutdown 22F (ESR3 ) Data Sheet 14 Rev. 1.2, 2014-07-03TLE42744 Application Information TLE42744 is designed to be stable wi
48、th extremely low ESR capacitors. According to the automotive environment, ceramic capacitors with X5R or X7R dielectrics are recommended. The output capacitor should be placed as close as possible to the regulators output and GND pins and on the same side of the PCB as the regulator itself. In case
49、of rapid transients of input voltage or load current, the capacitance should be dimensioned in accordance and verified in the real application that the output stability requirements are fulfilled. 6.3 Thermal Considerations Knowing the input voltage, the output voltage and the load profile of the application, the total
