LTC4213IDDB#PBF Linear Technology, LTC4213IDDB#PBF Datasheet
LTC4213IDDB#PBF
Specifications of LTC4213IDDB#PBF
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LTC4213IDDB#PBF Summary of contents
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... READY signals the MOSFET is conducting and the circuit breaker is armed. The LTC4213 operates from LTC and LT are registered trademarks of Linear Technology Corporation trademark of Linear Technology Corporation. All other trademarks are the SENSE property of their respective owners. V OUT 1.25V 3.5A ...
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LTC4213 ABSOLUTE AXI U RATI GS (Note 1) Bias Supply Voltage (V ) ........................... –0. Input Voltages ON, SENSEP, SENSEN .............................– 0. .......................................... – 0. SEL Output Voltages GATE ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER – ∆V Difference Between ∆V ∆V GSMAX GSARM ∆V GSARM V READY Pin Output Low Voltage READY(OL) I READY Pin Leakage Current READY(LEAK Pin High Threshold ON(TH) ...
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LTC4213 W U TYPICAL PERFOR A CE CHARACTERISTICS unless otherwise noted 3.0 2.5 2.0 1.5 1.0 0.5 0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 BIAS SUPPLY VOLTAGE (V) 4213 G01 Normalized V ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS unless otherwise noted. and ∆ ∆V GSMAX GSARM CC 8 ∆V GSMAX 7 ∆V GSARM 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 BIAS SUPPLY VOLTAGE (V) ...
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LTC4213 W U TYPICAL PERFOR A CE CHARACTERISTICS unless otherwise noted Temperature RESET 100 –50 – 100 125 TEMPERATURE (°C) 4213 G19 FAULT(FAST) 1.3 1.2 1.1 1.0 ...
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CTIO S READY (Pin 1): READY Status Output. Open drain output that goes high impedance when the external MOSFET is on and the circuit breaker is armed. Otherwise this pin pulls low. ON (Pin 2): ...
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LTC4213 W BLOCK DIAGRA SENSEP SEL CB(FAST 100mV 325mV – 50mV 175mV 25mV 100mV + – SLOWCOMP 16µs DELAY READY CB TRIPS 1 50µs DELAY RESET 80µs DELAY COMP1 – + ...
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DIAGRA 1 V ON(TH GATE t DEBOUNCE 1 1.2V ∆V SENSE V GATE FAULT(FAST – V ON(TH) ON(HYST) V GSMAX V GSMAX 0.3V t ...
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LTC4213 U OPERATIO Overview The LTC4213 is an Electronic Circuit Breaker (ECB) that senses load current with the the R MOSFET instead of using an external sense resistor. This no R method is less precise than R SENSE to the ...
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U U APPLICATIO S I FOR ATIO supply transient dips below 1.97V of less than 80µs are ignored. ON Function When V is below comparator COMP1’s threshold of ON 0.4V for 80µs, the device resets. The system leaves reset mode ...
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LTC4213 U U APPLICATIO S I FOR ATIO The maximum load limit current is given by MAX ( ) I = LIMIT MAX ( ) R DSON MIN ( ) Most MOSFET data sheets have an R with ...
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U U APPLICATIO S I FOR ATIO SHORT CIRCUIT V > 2.07V 0.8V 0.76V 0.4V 0V > ∆V SENSE t FAULT V GATE V READY NORMAL MODE W U CIRCUIT BREAKER TRIPS GATE AND ...
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LTC4213 U U APPLICATIO S I FOR ATIO Operating temperature of 0° to 70° 25°C = 100% DSON R @ 0°C = 90% DSON R @ 70°C = 120% DSON MOSFET resistance variation 15m • 0.82 ...
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U U APPLICATIO S I FOR ATIO 2.07V GATE SENSEP SENSEN V READY ∆V SENSE RESET MODE Figure 4. Load Supply Power-Up After Circuit Breaker Armed W U CIRCUIT BREAKER ARMS ...
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LTC4213 U U APPLICATIO S I FOR ATIO Load Supply Power-Up Before V CC Referring back to Figure 1, the V load supply can also be IN powered up before V . Figure 5 shows the timing dia- CC gram ...
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U U APPLICATIO S I FOR ATIO point 6 should be within the circuit breaker limits. Other- wise, the system fails to start and the circuit breaker trips immediately after arming. In most applications additional external gate capacitance is not ...
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... In this external MOSFET is fully turned on and the V ON voltage drop reduces. In normal mode operation, the LTC4213 monitors the load current through the R delay. The GATE pin the external MOSFET. 2 delay. Hot Swap is a trademark of Linear Technology Corporation. Q1 SI4410DY + D1 MBRO520L IN R1 33Ω ...
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... SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Active Current Limiting with Drain Acceleration and Three Sequenced Power Good Outputs www.linear.com ● 330Ω IRF7455 V OUT 3.3V R3 3.6A 182k + C LOAD 100µF GATE SENSEN R4 LTC4213 10k READY GND 4213 TA02 LT/TP 0405 500 • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2005 4213f ...