ISL6436 Datasheet, PDF (7/12 Pages) Intersil Corporation – USB Dual Port Power Supply Controller

ISL6436
Typical Performance Curves (Continued)
ENABLE
C_L = 10µF
C_L = 100µF
C_L = 0.1µF
VOUT VOLTAGE (1V/DIV.)
VVOOUUTT
TIME (400µs /DIV.)
FIGURE 8. SLOW TURN -OFF vs C_LOAD, Rl = 10Ω
FAULT
ENABLE
C_L = 10µF
C_L = 100µF
C_L = 0.1µF
VOUT
VOUT VOLTAGE (1V/ DIV.)
TIME (400µs /DIV.)
FIGURE 9. FAST TURN-OFF vs C_LOAD
FAULT
ENABLE
VOUT
VOUT (1V/ DIV.)
TIME (2ms /DIV.)
FIGURE 10. ISL6436L TURN-ON INTO 1.5A OCS
FAULT
ENABLE
VOUT
TIME (2ms /DIV.)
FIGURE 12. VENDOR IC TURN-ON INTO MOMENTARY OC
7
VOUT
VOLTAGE (2V/DIV.)
TIME (2ms /DIV.)
FIGURE 11. ISL6436L TURN-ON INTO 1.5A MOMENTARY OC
VDD = 5.08V
ISL6436 = 5.04 VOUT
PPTC = 4.98 VOUT
VOUT (100mV/ DIV.)
FIGURE 13. ISL6436 vs PPTC INTO 500mA LOAD