Datasheet
Table Of Contents
- Features
- Applications
- Description
- Typical Application
- Absolute Maximum Ratings
- Pin Configuration
- Order Information
- Electrical Characteristics
- Typical Performance Characteristics
- Pin Functions
- Block Diagram
- Operation
- Applications Information
- Typical Applications
- Package Description
- Revision History
- Typical Application
- Related Parts
LT3597
9
3597fa
block DiagraM
Figure 1. Block Diagram
3597 BD
BIAS
START-UP
REFERENCE
OSC
SLOPE
COMP
+
–
S
R
Q
+–
–
+
1.22V
VC
+
–
1.1V
540mV
PTAT
GND, EXPOSED PAD
V
IN
EN/UVLO
SYNC
RT
T
SET
CTRLM
CTRLn
PWMn
I
SETn
V
REF
BIAS
SWn
DAn
GND
FBn
LEDn
FAULT
V
OUTn
BSTn
CHANNEL n
n = 1-3
LT3597
+
–
SOFT-START
AND CLAMP
LOGIC
LED
FAULT DETECTION
CONVERSION
AND
CONTROL
PWM
DIMMING
LOGIC
LED
DRIVE
CIRCUITRY