ISL78100 Datasheet, PDF (16/19 Pages) Intersil Corporation – High Power LED Driver

ISL78100
Boost Mode Application Diagram
V_BAT
EN
VIN
VHI
FAULT SWD1
VBAT
SWD2
VDC
OVP
TEMP
SWS1
TMAX
SWS2
EN/PWM ENL
MODE
FB
LEVEL
GND
BUCK/BOOSTN
FIGURE 35. BASIC BOOST APPLICATION CIRCUIT
Boost Mode with Overcurrent Fault and LED Temperature Protections
Application Diagram
V_BAT
TEMP
SENSOR
EN
V_LEVEL (0V TO 2.5V)
VIN
VHI
FAULT SWD1
VBAT
SWD2
VDC
OVP
TEMP
SWS1
TMAX
SWS2
EN/PWM ^ENL
MODE
FB
LEVEL
GND
BUCK/BOOSTN
FIGURE 36. BOOST MODE APPLICATION WITH OVERCURRENT FAULT PROTECTION AND
LED TEMPERATURE PROTECTION
16
FN6626.0
December 17, 2007