Datasheet LTC4360-1, LTC4360-2 (Analog Devices) - 4

LTC4360-1/LTC4360-2
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = 5V, VON = 0V (LTC4360-1) unless otherwise noted. Input Supply Current GATE Fast Pull-Down Current vs Input Voltage GATE Drive vs GATE Current vs Temperature
1000 8 40 VIN = 6V LTC4360-1 VON = 0V, LTC4360-2) 7 VGATE = 9V 100 6 35 VIN = 5V VON = 2.5V 5 (LTC4360-1) (V) VIN = 3V (mA) (µA) 10 TE 4 30 I IN ∆V GA 3 VIN = 2.5V I GATE(FST) 1 2 25 1 0.1 0 20 1 10 100 0 2 4 6 8 10 12 –50 –25 0 25 50 75 100 VIN (V) IGATE (µA) TEMPERATURE (°C) 436012 G01 436012 G02 436012 G03
GATE Voltage and GATE High PWRGD Voltage GATE Off Propagation Delay Threshold (for PWRGD Status) vs PWRGD Current vs Overdrive (VOVDRV) vs Input Voltage
500 8 12 VIN = STEP 5V TO (VIN(OV) + VOVDRV) VIN = VOUT 7 11 400 VGATE 6 10 (V) (mV) 300 5 9 (OL) (µs) 4 8 VGATE(TH) 200 t OFF /V GATE(TH)E 3 7 V PWRGD V GAT 2 6 100 1 5 0 0 4 0 1 2 3 4 5 0 0.5 1 1.5 2 2.5 2.5 3 3.5 4 4.5 5 5.5 6 IPWRGD (mA) VOVDRV (V) VIN (V) 436012 G04 436012 G05 436012 G06
Normal Start-Up Sequence GATE Slow Ramp-Up Entering Sleep Mode (LTC4360-1)
VON 5V/DIV V V IN IN 5V/DIV 5V/DIV VOUT VOUT VOUT 5V/DIV 5V/DIV 5V/DIV VGATE VGATE VGATE 10V/DIV 10V/DIV 10V/DIV I I I CABLE CABLE CABLE 0.5A/DIV 0.5A/DIV 0.5A/DIV 20ms/DIV 436012 G07 1ms/DIV 436012 G08 50µs/DIV 436012 G09 FIGURE 5 CIRCUIT FIGURE 5 CIRCUIT FIGURE 5 CIRCUIT RIN = 150mΩ, LIN = 0.7µH RIN = 150mΩ, LIN = 0.7µH RIN = 150mΩ, LIN = 0.7µH LOAD = 10Ω, COUT = 10µF LOAD = 10Ω, COUT = 10µF LOAD = 10Ω, COUT = 10µF Rev B 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts