MAX16807_07 Datasheet, PDF (13/21 Pages) Maxim Integrated Products – Integrated 8-Channel LED Drivers with Switch-Mode Boost and SEPIC Controller

Integrated 8-Channel LED Drivers with
Switch-Mode Boost and SEPIC Controller
AGND
CS
FB
COMP
MAX16808
REFERENCE
2.5V
PREREG
5V
DELAY
REG_OK
UVLO
THERMAL
SHUTDOWN
EN_REF ^VDD
BG 5V REG
SNS
VOLTAGE
DIVIDER
VOLTAGE-
DIVIDER
26.5V
300mV _ILIM
V_CC
SQ
R
CPWM
2R
VEA
CLK
R
OSC Q
CLK
DIN
LE
OE
THERMAL
SHUTDOWN
SERIAL-TO-PARALLEL SHIFT REGISTER
D0
D1
D2
D3
D4
D5
D6
D7
OUTPUT LATCHES
D0
D1
D2
D3
D4
D5
D6
D7
CONSTANT-CURRENT SINK
D0
D1
D2
D3
D4
D5
D6
D7
OPEN LED FAULT DETECTION
POWER-ON
RESET
V+
CURRENT
REFERENCE
PGND
V_CC
REF
OUT
RTCT
DOUT
V+
SET
Figure 1b. Internal Block Diagram (MAX16808)
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