ISL78100 Datasheet, PDF (8/19 Pages) Intersil Corporation – High Power LED Driver

Typical Performance Curves (Continued)
ISL78100
FB = 0V
VOUT
VIN
IL
VOUT
FIGURE 25. OVP AND RESET
Typical Boost Mode Application Diagram
V_BAT
ILED
8LEDs
V_IN = 3.3V
I_LED = 380mA
FIGURE 26. CURRENT LIMIT
V_DC
0.1µF
TEMP
SENSOR
PWM
1V
VIN
VHI
FAULT
SWD1
VBAT
SWD2
VDC
OVP
BUCK/BOOSTN
TEMP
SWS1
TMAX
SWS2
EN/PWM
ENL
MODE
FB
LEVEL
GND
FIGURE 27. TYPICAL BOOST MODE APPLICATION CIRCUIT
8
FN6626.0
December 17, 2007