E522.31_16 Datasheet, PDF (2/20 Pages) ELMOS Semiconductor AG – CHANNEL SWITCHED MODE CONSTANT CURRENT CONTROLLER

1 CHANNEL SWITCHED MODE CONSTANT CURRENT CONTROLLER
PRODUCTION DATA - JUL 21, 2016
Functional Diagram
VIN
RT
PWDIM
ON
V3V3
OSCIN
FBH
FBL
ADIM
CMP
Internal
Standby
Supply
LDO Reg
Main
Supply
ON
DIM
LEB
Oscillator
Duty Max
Blanking
Sync-SW
UVLO &
Thermal
Protection
Power On
Reset
Slope
Gen
Reference
Unit
SLOPE
IREF VBG
Dimming
Logic
PWM
Logic
Driver
Protection
DRV
LDRV
AGND
VSM
AGND
DRVS
CGATE
PGND
LGATE
ERRB
Internal
3V3 LDO
VSM
Open Load
& Short
Detection
HSAMP
DIM
DIM
GM
OFFSET
GAIN
Adim
Circuit
Soft
LS & HZ
Start
Buffer
CMP
ILP
OVPIN
ON
OVPO
VILIM
CMP
LEB SLOPE
ILP
IAMP
Slope
CSP
&
LEB
CSN
OFFSET
VSM
CLOCK
SI
SO
Auxiliary
Supply
VDD
Adjustment
Unit
DATA
E522.31/33
E522.31/33
Pin Configuration
Top View
Bottom Side
ERRB
NC
CMP
RT
NC
ADIM
V3V3
VSM
24 23 22 21 20 19 18 17
25
16
26
15
27
14
28
13
29 _E522.31/33
12
30
11
31
EP
10
32
9
12345678
NC
NC
NC
PGND
DRVS
CGATE
CSP
CSN
Pin 1
Note: Not to scale, EP Exposed die pad
Elmos Semiconductor AG reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
Elmos Semiconductor AG
Data Sheet
QM-No.: 25DS0085E.01
2/20