MAX16816 Datasheet, PDF (14/33 Pages) Maxim Integrated Products – Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming

Programmable Switch-Mode LED Driver
with Analog-Controlled PWM Dimming
Functional Diagram
V_CC
CLMP
HI
CS- CS+ LO
UVEN
QGND
REG1
REF
RTSYNC
CLKOUT
OV
DIM
AGND
UVLO
AND
EN
5V
REG1
15V
REG2
CLAMP
-
CSA
V_CLMP
V_LO
THERMAL
SHUTDOWN
-
V_BUF
+
3.0V
OSC
OSC
D-I
REG2 DRIVER
SLOPE SLOPE
COMP
UGB
D-I
+
CMP _{1.3 x VSS}
-
OC
V_CLMP
DDR
V_LO
R_LS
1-Wire
INTERFACE
V_{OV -}
OVP
+
- _200mV +
+
COMP
-
200Hz
MAX16816
POR _CONTROL
EN ^BLOCK
OV
DRIVER
+
ILIM _-
- ^200mV
+
HIC ^-
-
300mV
D-I BLANKING
BLANKING
TIME
TRIM REGISTERS
BLANKING
SLOPE COMP BINNING
D-I
SOFT-START
REG2 DRIVER
RTOSCSEL
0.926V
OS
PWM
-
+ ^X1
V_SS
SLOPE
- ^800mV +
SS
EAMP
D-I
BINNING
D-I
SOFT-START
REG2
DGT
CS
FAULT
DRI
DRV
SGND
SNS+
SNS-
COMP
FB
D-I INDICATES A USER-PROGRAMMABLE EEPROM FEATURE
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