Data Sheet, Rev. 1.0, April 2008 TLE4263-2ES 5-V Low Dropout Voltage Regulator Automotive Power 5-V Low Dropout Voltage Regulator 1 TLE4263-2ES Overview Features • • • • • • • • • • • • • • • • • Exposed Pad Package with Excellent Thermal Behaviour Output Voltage Tolerance ≤ ±2% Output Current up to 180 mA Very Low Standby Current Consumption Watchdog for Monitoring a Microprocessor Power-on and Undervoltage Reset with Programmable Delay Time Reset Low down to VQ = 1 V Adjustable Reset Threshold Very Low Dropout Voltage Output Current Limitation Reverse Polarity Protection Overtemperature Protection Wide Temperature Range from -40 °C up to 150 °C Input Voltage Range from -42 V to 45 V Suitable for Use in Automotive Electronics Green Product (RoHS compliant) AEC Qualified PG-DSO-8 exposed pad Description TLE4263-2ES is a monolithic integrated very low dropout voltage regulator in a SMD package PG-DSO-8 exposed pad, especially designed for automotive applications. An input voltage up to 45 V is regulated to an output voltage of 5.0 V. The component is able to drive loads up to 180 mA. The IC is short-circuit proof by the implemented current limitation and has an integrated overtemperature shutdown. It additionally provides features like power-on and undervoltage reset with adjustable reset threshold, a watchdog circuit for monitoring a connected microcontroller and an inhibit input for enabling or disabling the component. The reset output RO is set to “low” in case the output voltage falls below the reset switching threshold VQ,rt. This threshold can be decreased down to 3.5 V by an external resistor divider. The power-on reset delay time can be programmed by the external delay capacitor CD. The watchdog circuit provides a monitoring function for microcontrollers: At missing pulses on the watchdog’s input W the reset output RO is set to “low”. The trigger time for the watchdog pulses can be set by the external capacitor CD. The IC can be switched off by the inhibit input, reducing the current consumption to typically 0 µA. Type Package Marking TLE4263-2ES PG-DSO-8 exposed pad 4263-2 Data Sheet 2 Rev. 1.0, 2008-04-21 TLE4263-2ES Overview Dimensioning Information on External Components The input capacitor CI is recommended for compensation of line influences. The output capacitor CQ is necessary for the stability of the control loop. Stability is guaranteed at values ≥ 22 µF and an ESR of ≤ 3 Ω within the operating temperature range. For small tolerances of the reset delay the capacitance’s spread of the delay capacitor CD and its temperature coefficient should be taken into consideration. Circuit Description The control amplifier compares a reference voltage to a voltage that is proportional to the output voltage and drives the base of the series transistor via a buffer. Saturation control as a function of the load current prevents any oversaturation of the power element. The component also has a number of internal circuits for protection against: • • • Overload Overtemperature Reverse polarity In case the externally scaled down output voltage at the reset adjust input falls below 1.35 V, the external reset delay capacitor CD is discharged by the reset generator. When the voltage of the capacitor reaches the lower threshold VDRL, a reset signal occurs at the reset output and is held until the upper threshold VDU is exceeded. If the reset threshold input is connected to GND, reset is triggered at an output voltage of typically 4.65 V. Data Sheet 3 Rev. 1.0, 2008-04-21 TLE4263-2ES Block Diagram 2 Block Diagram W Saturation Control and Protection Circuit Temperature Sensor Input Watchdog Ι Q Control Amplifier Buffer Bandgap Reference Reset Generator INH Inhibit Figure 1 Data Sheet Output D Reset Delay RO Reset Output RADJ Reset Threshold GND GND AEB03068 Block Diagram 4 Rev. 1.0, 2008-04-21 TLE4263-2ES Pin Configuration 3 Pin Configuration 3.1 Pin Assignment , 4 ,1+ : 52 5$'- *1' ' Figure 2 Pin Configuration 3.2 Pin Definitions and Functions Pin Symbol Function 1 I Input for compensating line influences, a capacitor to GND close to the IC terminals is recommended 2 INH Inhibit enables/disables the device; connect to I if the this function is not needed 3 RO Reset Output open-collector output connected to the output via an internal 30kΩ pull-up resistor; leave open if the this function is not needed 4 GND Ground 5 D Reset Delay Timing connect a ceramic capacitor to GND for adjusting the reset delay time / watchdog trigger time; leave open if this function is not needed 6 RADJ Reset Threshold Adjust connect an external voltage divider to adjust the reset switching threshold; connect to GND for using internal threshold 7 W Watchdog rising edge triggered input for monitoring a microcontroller; connect to GND if this function is not needed 8 Q Output block to ground with a capacitor close to the IC terminals with a capacitance value C ≥ 22 µF, and an ESR ≤ 3 Ω PAD – Exposed Pad attach the exposed pad on package bottom to the heatsink area on circuit board; connect to GND Data Sheet 5 Rev. 1.0, 2008-04-21 TLE4263-2ES General Product Characteristics 4 General Product Characteristics 4.1 Absolute Maximum Ratings Absolute Maximum Ratings 1) Tj = -40 °C to +150 °C; all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. Parameter Symbol Limit Values Unit Conditions Min. Max. VI, VINH -42 45 V – VR, VD -0.3 42 V – Voltage VRADJ -0.3 6 V – Voltage VQ -0.3 7 V – VW -0.3 6 V – Tj Tstg – 150 °C – -50 150 °C – Voltage - 2 kV – Voltage - 1 kV – Input I, Input INH 4.1.1 Input Voltage Reset Output RO, Reset Delay D 4.1.2 Voltage Reset Threshold RADJ 4.1.3 Output Q 4.1.4 Watchdog W 4.1.5 Voltage Temperature 4.1.6 Junction Temperature 4.1.7 Storage Temperature ESD Susceptibility 4.1.8 4.1.9 Human Body Model (HBM)2) Charged Device Model (CDM) 3) 1) not subject to production test, specified by design 2) ESD HBM Test according JEDEC JESD22-A114 3) ESD CDM Test according AEC/ESDA ESD-STM5.3.1-1999 Note: 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. Note: Integrated protection functions are designed 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. Data Sheet 6 Rev. 1.0, 2008-04-21 TLE4263-2ES General Product Characteristics 4.2 Functional Range Pos. Parameter Symbol 4.2.1 Input Voltage 4.2.2 Junction Temperature VI Tj Limit Values Unit Conditions Min. Max. 5.5 45 V – -40 150 °C – Note: Within the functional range the IC operates as described in the circuit description. The electrical characteristics are specified within the conditions given in the related electrical characteristics table. 4.3 Pos. Thermal Resistance Parameter Symbol 1) Limit Values Min. Typ. Max. Unit Conditions 4.3.1 Junction to Case RthJC – 10 – K/W measured to exposed pad 4.3.2 Junction to Ambient1) – 45 – K/W 2) – 153 – K/W footprint only3) 4.3.4 RthJA RthJA RthJA – 64 – K/W 300 mm² heatsink area3) 4.3.5 RthJA – 55 – K/W 600 mm² heatsink area3) 4.3.3 1) Not subject to production test, specified by design. 2) Specified RthJA value 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 mm³ board with 2 inner copper layers (2 x 70µm Cu, 2 x 35µm Cu). Where applicable a thermal via array under the exposed pad contacted the first inner copper layer. 3) Specified RthJA value 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 × 1.5 mm3 board with 1 copper layer (1 x 70µm Cu). Data Sheet 7 Rev. 1.0, 2008-04-21 TLE4263-2ES Electrical Characteristics 5 Electrical Characteristics 5.1 Voltage Regulator Electrical Characteristics Voltage Regulator VI = 13.5 V, -40 °C ≤ Tj ≤150 °C, VINH > 3.6 V; all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. Parameter Symbol Limit Values Unit Conditions Min. Typ. Max. 5.1.1 Output Voltage VQ 4.90 5.00 5.10 V 5 mA ≤ IQ ≤ 150 mA; 6 V ≤ VI ≤ 28 V 5.1.2 Output Voltage VQ 4.90 5.00 5.10 V 180 250 400 mA – 0.35 0.60 V – – 25 mV – 3 25 mV 6 V ≤ VI ≤ 32 V; IQ = 100 mA; Tj = 100 °C VQ = 4.8 V IQ = 150 mA1) IQ = 5 mA to 150 mA VI = 6 V to 28 V; IQ = 150 mA fr = 100 Hz; Vr = 0.5 Vpp 5.1.3 Output Current Limitation 5.1.4 Dropout voltage 5.1.5 Load regulation 5.1.6 Line regulation IQ,max Vdr ∆VQ,lo ∆VQ.li Power Supply Ripple PSRR – 54 – dB Rejection2) 1) Drop voltage = Vi - VQ (measured when the output voltage has dropped 100 mV from the nominal value obtained at 6 V 5.1.7 input). 2) Not subject to production test, specified by design. Data Sheet 8 Rev. 1.0, 2008-04-21 TLE4263-2ES Electrical Characteristics 5.2 Typical Performance Characteristics Voltage Regulator Output Voltage VQ versus Junction Temperature TJ Output Current IQ versus Input Voltage VI AED01090 5.2 V VQ ΙQ 5.1 VI = 13.5 V mA 200 4.9 150 4.8 100 4.7 50 0 40 80 0 120 ˚C 160 T j = 25 C 250 5.0 4.6 -40 AED01091 300 0 10 20 40 V 50 VΙ 30 Tj Power Supply Ripple Rejection PSRR versus ripple frequency fr Output Capacitor Series Resistor ESR(CQ) versus Output Current IQ B3655B)69* ,4 P$ ,4 P$ ,4 P$ 3655 >G%@ 2_ESR-IQ.VSD 100 CQ = 22 µF Tj = -40...150 °C ESR CQ [Ω] 10 1 Stable Region 0.1 9ULSSOH 9 9, 9 &4 )WDQWDOXP 7M & N N 0.01 N 50 100 150 IQ [mA] I>+]@ Data Sheet 0 9 Rev. 1.0, 2008-04-21 TLE4263-2ES Electrical Characteristics Dropout Voltage Vdr versus Output Current IQ Vdr Output Voltage VQ versus Input Voltage VI AED03060_4263 800 mV 700 AED01097 12 VQ V 10 600 T j = 125 ˚C 25 ˚C 500 8 400 6 R L = 25 Ω 300 4 200 2 100 0 0 50 100 150 200 mA 0 300 IQ Data Sheet 10 0 2 4 6 8 V 10 VΙ Rev. 1.0, 2008-04-21 TLE4263-2ES Electrical Characteristics 5.3 Current Consumption Electrical Characteristics Voltage Regulator VI = 13.5 V, -40 °C ≤ Tj ≤150 °C, VINH > 3.6 V; all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. Parameter Symbol 5.3.1 Current Consumption; 5.3.2 Iq = II - IQ Iq Limit Values Unit Conditions VINH = 0 V; Tj ≤ 115 °C IQ = 0 mA IQ = 150 mA IQ = 150 mA; VI = 4.5 V Min. Typ. Max. – 0 10 µA – 900 1300 µA 5.3.3 – 10 18 mA 5.3.4 – 15 24 mA 5.4 Typical Performance Characteristics Current Consumption Current Consumption Iq versus Input Voltage VI AED01096 30 Ιq Current Consumption Iq versus Output Current IQ AED03061 32 Iq mA 28 mA 25 24 20 20 R L = 25 Ω VI = 13.5 V 16 15 12 10 8 5 0 Data Sheet 4 0 0 10 20 30 40 V 50 VΙ 0 50 100 150 200 mA 300 IQ 11 Rev. 1.0, 2008-04-21 TLE4263-2ES Electrical Characteristics 5.5 Inhibit Function Electrical Characteristics Voltage Regulator VI = 13.5 V, -40 °C ≤ Tj ≤150 °C, all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. 5.5.1 Parameter Symbol VINH,ON VINH,OFF IINH Switching Voltage 5.5.2 Turn-OFF Voltage 5.5.3 Inhibit Input Current 5.6 Limit Values Unit Conditions Min. Typ. Max. 3.6 – – V IC turned on – – 0.8 V IC turned off 5 10 27 µA VINH = 5 V Typical Performance Characteristics Inhibit Inhibit Input Current IINH versus Junction Temperature Tj AED03063 16 µA IINH 14 12 VINH = 5 V 10 8 6 4 2 0 -40 0 40 80 120 ˚C 160 Tj Data Sheet 12 Rev. 1.0, 2008-04-21 TLE4263-2ES Electrical Characteristics 5.7 Reset Function Electrical Characteristics Reset Function VI = 13.5 V, -40 °C ≤ Tj ≤ 150 °C, VINH > 3.6 V; all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. Parameter Symbol Limit Values Unit Conditions Min. Typ. Max. 4.5 4.65 4.8 V VQ decreasing Output Undervoltage Reset 5.7.1 Default Output Undervoltage Reset VQ,rt Switching Thresholds Output Undervoltage Reset Threshold Adjustment 5.7.2 Reset Adjust Switching Threshold VRADJ,th 1.26 1.36 1.44 V 3.5 V ≤ VQ < 5 V 5.7.3 Reset Adjustment Range1) VRT,range 3.50 – 4.65 V – VRO,low – 0.1 0.4 V IRO = 1 mA trd VD,sat VDU 1.3 2.8 4.1 ms – 50 110 mV CD = 100 nF VQ < VR,th 1.40 1.70 2.20 V – Reset Output RO 5.7.4 Reset Output Low Voltage Reset Delay Timing 5.7.5 Power On Reset Delay Time 5.7.6 Saturation Voltage 5.7.7 Upper Delay Switching Threshold 5.7.8 Lower Delay Switching Threshold VDRL 0.20 0.35 0.59 V – 5.7.9 Delay Capacitor Charge Current ID,ch 40 60 88 µA – 4 µs CD = 100 nF 5.7.10 Reset Reaction Time trr 0.5 1.2 1) VRT is scaled linearly, in case the Reset Switching Threshold is modified Note: The reset output is low within the range VQ = 1 V to VQ,rt Data Sheet 13 Rev. 1.0, 2008-04-21 TLE4263-2ES Electrical Characteristics 5.8 Typical Performance Characteristics Reset Undervoltage Reset Adjust Threshold VRT versus Junction Temperature Tj Undervoltage Reset Adjust Threshold VRADJ,th versus Output Voltage VQ AED01088 1.6 VRADJ V 1.4 AED01098_4263 1.6 V RADJ V 1.4 1.2 1.2 1.0 1.0 V Ι = 13.5 V 0.8 0.8 0.6 0.6 0.4 0.4 0.2 0.2 0 -40 0 40 80 0 120 ˚C 160 Tj 0 1 2 3 4 V 5 VQ Timing Threshold Voltage VDU and VDRL versus Temperature AED03062 3.2 V V 2.8 VI = 13.5 V 2.4 2.0 VDU 1.6 1.2 0.8 VDRL 0.4 0 -40 0 40 80 120 ˚C 160 Tj Data Sheet 14 Rev. 1.0, 2008-04-21 TLE4263-2ES Electrical Characteristics 5.9 Watchdog Function Electrical Characteristics Watchdog Function VI = 13.5 V, -40 °C ≤ Tj ≤ 150 °C, VINH > 3.6 V; all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. Parameter Symbol Unit Conditions Min. Typ. Max. 5.9.1 Discharge Current 4.40 6.25 5.9.2 Upper Timing Threshold 1.40 5.9.3 Lower Timing Threshold ID,wd VDU VDWL 9.40 µA VD = 1.0 V 1.70 2.20 V – 0.20 0.35 0.55 V – 5.9.4 Watchdog Trigger Time TWI,tr 16 22.5 27 ms Watchdog Output Low Time TWD,L 1 2.1 3.5 ms Watchdog Period TWI,p = TWD,L + TWI,tr TWI,p 17 24.6 30.5 ms CD = 100 nF VQ > VQ,RT CD = 100 nF VQ > VQ,RT CD = 100 nF VQ > VQ,RT 5.9.5 5.9.6 5.10 Typical Performance Characteristics Watchdog Charge Current and Discharge Current versus Temperature Ι Limit Values AED03064 80 µA 70 Watchdog Trigger Time versus Temperature Ι D, ch 60 30 V Ι = 13.5 V V D = 1.5 V 50 20 30 15 20 10 0 -40 Ι D, dis Data Sheet 0 40 V Ι = 13.5 V C D = 100 nF 25 40 10 AED03065_4263 40 ms TWI,tr 35 5 80 0 -40 120 C 160 Tj 15 0 40 80 120 C 160 Tj Rev. 1.0, 2008-04-21 TLE4263-2ES Application Information 6 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 description or warranty of a certain functionality, condition or quality of the device. ΙΙ Ι 1000 µF 470 nF ΙE VΙ + Vr VE PSRR = 20 log Q 22 µF TLE4263-2 ES INH VC ΙQ RO D Ι D, ch CD GND Ι GND W RADJ VW VRADJ 5.6 k Ω Ι RD VQ VRO 100 nF Vr ∆VQ, r AES03070_4263 Figure 3 Application Diagram Note: This is a very simplified example of an application circuit. The function must be verified in the real application. Data Sheet 16 Rev. 1.0, 2008-04-21 TLE4263-2ES Application Information 6.1 Reset VI t t < t rr VQ VQ,rt 1V t trd VD VDU VDRL t VRO VRO,l trd trd trr trd 1V t Thermal Shutdown Figure 4 Input Voltage Dip Undervoltage Spike at output Overload TimingDiagram_Reset.vsd Reset Timing Diagram Power-On Reset Delay Time If the application needs a power-on reset delay time trd different from the value given in Item 5.7.5, the delay capacitor’s value can be derived from these specified values and the desired power-on delay time: t rd, new C D = ---------------- × 100nF t rd Data Sheet 17 Rev. 1.0, 2008-04-21 TLE4263-2ES Application Information with • • • CD: capacitance of the delay capacitor to be chosen trd,new: desired power-on reset delay time trd: power-on reset delay time specified in this datasheet For a precise calculation also take the delay capacitor’s tolerance into consideration. Reset Adjust Function The undervoltage reset switching threshold can be adjusted according to the application’s needs by connecting an external voltage divider (RADJ1, RADJ2) at pin RADJ. For selecting the default threshold connect pin RADJ to GND. When dimensioning the voltage divider, take into consideration that there will be an additional current constantly flowing through the resistors. With a voltage divider connected, the reset switching threshold VRT,new is calculated as follows: (1) R ADJ, 1 + R ADJ, 2 V RT, new = ------------------------------------------ × V RADJ, th R ADJ, 2 with • • VRT,new: the desired new reset switching threshold RADJ1, RADJ2: resistors of the external voltage divider VRADJ,th: reset adjust switching threshold given in “Reset Function” on Page 13 Data Sheet 18 Rev. 1.0, 2008-04-21 TLE4263-2ES Application Information 6.2 Watchdog VW VD No positive VW edge t t WI,tr TWI,p VDU VDWL t tWD,L tWD,L VRO VRO,l Figure 5 TimingDiagram_Watchdog.vsd t Timing of the Watchdog Function Reset Watchdog Timing The period of the watchdog pulses has to be smaller than the minimum watchdog trigger time which is set by the external reset delay capacitor CD. Use the following formula for dimensioning CD: T WI,tr,new - × 100 nF C D = ----------------------- (2) T WI,tr with • • • CD: capacitance of the delay capacitor to be chosen TWI,tr,new: desired watchdog trigger time TWI,tr: watchdog trigger time specified in this data sheet Data Sheet 19 Rev. 1.0, 2008-04-21 TLE4263-2ES Package Outlines 7 Package Outlines 0.35 x 45˚ 1.27 0.41±0.09 2) 0.2 M 0.19 +0.06 0.08 C Seating Plane C A-B D 8x 0.64 ±0.25 D 0.2 6 ±0.2 8˚ MAX. C 0.1 C D 2x 1.7 MAX. Stand Off (1.45) 0.1+0 -0.1 3.9 ±0.11) M D 8x Bottom View 8 1 5 1 4 8 4 5 2.65 ±0.2 3 ±0.2 A B 4.9 ±0.11) 0.1 C A-B 2x Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Dambar protrusion shall be maximum 0.1 mm total in excess of lead width 3) JEDEC reference MS-012 variation BA Figure 6 PG-DSO-8-27-PO V01 PG-DSO-8 exposed pad Green Product (RoHS compliant) To meet the world-wide customer requirements for environmentally friendly products and to be compliant with government regulations the device is available as a green product. Green products are RoHS-Compliant (i.e Pb-free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020). You can find all of our packages, sorts of packing and others in our Infineon Internet Page “Products”: http://www.infineon.com/products. Data Sheet 20 Dimensions in mm Rev. 1.0, 2008-04-21 TLE4263-2ES Revision History 8 Revision History Revision Date Changes 1.0 2008-04-21 final version data sheet Data Sheet 21 Rev. 1.0, 2008-04-21 Edition 2008-04-21 Published by Infineon Technologies AG 81726 Munich, Germany © 2007 Infineon Technologies AG All Rights Reserved. Legal Disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices, please contact the nearest Infineon Technologies Office (www.infineon.com). Warnings Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.