ISL78100_15 Datasheet, PDF (17/19 Pages) Intersil Corporation – High Power LED Driver

ISL78100
Typical Buck Application Diagram
V_BAT
VIN
VHI
FAULT SWD1
VBAT
SWD2
VDC
OVP
TEMP
SWS1
TMAX
SWS2
EN
EN/PWM ENL
MODE
FB
LEVEL
GND
BUCK/BOOSTN
FIGURE 37. BASIC BUCK APPLICATION CIRCUIT
Buck 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 38. BUCK MODE WITH OVERCURRENT FAULT AND LED TEMPERATURE
PROTECTIONS APPLICATION
For additional products, see www.intersil.com/en/products.html
Intersil Automotive Qualified products are manufactured, assembled and tested utilizing TS16949 quality systems as noted
in the quality certifications found at www.intersil.com/en/support/qualandreliability.html
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time
without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be
accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third
parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
17
FN6626.1
December 24, 2013