tle7273 Infineon Technologies Corporation, tle7273 Datasheet
tle7273
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tle7273 Summary of contents
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Low Drop Voltage Regulator Features • Output voltage 2.6 V Output voltage tolerance ± • Ultra low quiescent current consumption < 35 µA • • Inhibit function • Very low dropout voltage ...
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VI 13 Bandgap Reference Charge Pump INH 14 Inhibit Figure 1 Block Diagram Final-/ *Target Data Sheet TLE 7273 Overtemperature shutdown 1 2-5, 10- 12 GND 2 TLE 7273 Reset Generator and Window Watchdog WDI 8 ...
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Figure 2 Pin Configuration (top view) Table 1 Pin Definitions and Functions Pin No. Symbol 1 RO 2-5, 10-12 GND 7 WM1 6 WM2 8 WDI INH Final-/ *Target Data Sheet P-DSO-14-8 RO ...
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Table 2 Absolute Maximum Ratings -40 °C < < 150 ° Parameter Input VI Voltage Current Output VQ Voltage Voltage Current Inhibit Input INH Voltage Current Reset Output RO Voltage Voltage Current Watchdog Input WDI Voltage Current Watchdog ...
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Table 2 Absolute Maximum Ratings (cont’d) -40 °C < < 150 ° Parameter ESD Susceptibility Human Body Model (HBM) Charged Device Model 3) (CDM) Temperatures Junction temperature Storage temperature 1) Exposure to these absolute maximum ratings for extended ...
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Table 3 Operating Range Parameter Input voltage Junction temperature Thermal Resistances P-DSO-14-8 Parameter Junction pin Junction ambient Junction ambient Junction ambient 1) Package mounted on PCB 80 × 80 × 1.5 mm horicontal PCB-position. Note: In the operating range the ...
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... I < 180 mA Q 4.5 V < V < TLE 7273 GV26 4.5 V < V < 2 180 mA Q only TLE7273GV50 < I < 180 mA mA < < 100 Hz 0 mA, ...
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Electrical Characteristics (cont’d) =13.5 V; – 40 °C < < 150 °C; unless otherwise specified Parameter Symbol Current Consumption I Quiescent current – Quiescent current inhibited ...
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Electrical Characteristics (cont’d) =13.5 V; – 40 °C < < 150 °C; unless otherwise specified Parameter Symbol Watchdog Input WDI V H-input voltage WDIH threshold High Signal valid L-input voltage V WDIL threshold Low Signal valid ...
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Electrical Characteristics (cont’d) =13.5 V; – 40 °C < < 150 °C; unless otherwise specified Parameter Symbol Watchdog activating I Q,WD_on current threshold Reset Output RO V Output Voltage RT Reset Switching Threshold Input Voltage Reset ...
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Electrical Characteristics (cont’d) =13.5 V; – 40 °C < < 150 °C; unless otherwise specified Parameter Symbol Integrated reset pull resistor Power-on Reset T RD delay time Reset Reaction T RR Time 1) ...
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Circuit Description Power On Reset and Reset Output For an output voltage level of reaches the reset threshold delay time T . The reset function and timing is illustrated in RD time T avoids wrong triggering caused by short “glitches” ...
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Application Circiut Vbatt VI 13 100nF 47µF Reference E.g. ingnition INH 14 Inhibit 100kOhm Figure 4 Application Diagram A typical application of the TLE 7273 is shown in Fig.4. To prevent the regulation loop from oscillating a ceramic capacitor ≥ ...
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... The permissible ESR becomes: ESR = 186mV/100mA = 1.86Ohm During design-in of the TLE7273 product family, special care needs to be taken with regards to the regulators reaction time on sudden load current changes starting from very low pre-load as well as cyclic load changes. The application note “ TLE7x Voltage Regulators - Application Note about Transient Response at ultra low quiescent current Voltage Regulators ” ...
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Watchdog Operation The watchdog uses a fraction of the charge pump oscillator’s clock signal as timebase. The watchdog timebase can be adjusted using the pins WM1 and WM2 (see The watchdog can be turned off setting WM1 and WM2 to ...
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Reset Trigger Trigger During Closed Window Closed Window WM1 WM2 Window Watchdog Mode Reset Mode Figure 5 Window Watchdog State Diagram, Watchdog and Reset Modes Final-/ *Target Data Sheet Always Ignore Window No Trigger During Open Window Always Trigger Open ...
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Vi/V VQ IQ/A VRO Normal operation Wnd 1. long CW Ingnore Wnd OW Don’t care WDI 1. Correct Trigger during IW WDI/V t WD,p Figure 6 Window Watchdog Signal Diagram Closed window Open window WDI WDI ...
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Typical Performance Characteristics Current Consumption I q Junction Temperature T I [µ 13.5V I 100 I = 100 µ 0.01 -40 - Current Consumption I q Current I (INH=ON) Q ...
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Current Consumption I q Voltage =150°C (INH=ON 400 Tj = 150°C I [µ 100mA Q 300 I = 10mA 0.2mA Q 200 100 Current Consumption I ...
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Output Voltage V versus Junction Q Temperature T (2.6V Version [V] Q 2.65 2.60 I =100µA...100mA Q 2.55 2.50 -40 - Dropout Voltage V versus dr Output Current I Q 300 [mV ...
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Maximum Output Current I Input Voltage V I 600 I [mA] Q 400 300 200 Pvmax = 0,81W for P-DSO-14-8 100 @ 300mm2 cooling area ...
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Load Regulation dV versus Output Q Current Change ∆ ° [mV -40 ° 150 ° 100 Line Regulation dV ...
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Inhibit Input Current I INH Input Voltage V INH I INH [µ Inhibit Input Current I INH Voltage V , INH=Off i I INH [µA] INH = OFF 1.0 0.8 0 ...
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RReset Hysteresis versus Junction Temperature T (5V-Version) J 29_VRT_HYSTERESIS-_VS_TEMP_5V.VSD 120 V [ -40 - Reset Threshold V versus Junction RT Temperature T (3.3V-Version [V] Q 3.20 Reset Release Threshold ...
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Reset Hysteresis versus Junction Temperature T (2.6V-Version) J 29_VRT_HYSTERESIS-_VS_TEMP_26V.VS 120 V [ -40 - Reset Delay T Time versus Junction RD Temperature [ms] 40 SLOW Timing ...
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Watchdog Mode Bit Threshold V versus Junction Temperature T 3.10 V WDI [V] 2.90 V increasing WM 2.80 2.70 V decreasing 2.60 WM -40 - Watchdog Input Threshold V Junction Temperature T 3.00 V WDI [V] ...
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Watchdog Timing T versus Junction WD Temperature Timing for Ignore-, WD Open- Closed- Window [ms] 60 SLOW Timing FAST Timing -40 - Region of Stability 100 ESR CQ [ ...
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Package Outlines 1.27 +0.1 0.41 -0.06 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side Figure 1 Package Drawing P-DSO-14-8 Figure 2 Foot Print for P-DSO-14-8 e=1.27 mm; A=5.69 mm; L=1.31 mm; B=0.65 mm ...
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Remarks 2005-02-24 ...
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Edition 2005-11-30 Published by Infineon Technologies AG, St.-Martin-Strasse 53, 81669 München, Germany Infineon Technologies AG 2004. © All Rights Reserved. Attention please! The information given in this data sheet shall in no event be regarded as a guarantee of conditions ...