an37010a Panasonic Corporation of North America, an37010a Datasheet - Page 2

• Manufacturer Part Number: an37010a
• Description: 4-channel Led Driver, Including A Built-in Dc-dc Converter, For Lcd Tv Backlight Backlight Led Driver An37010a
• Manufacturer: Panasonic Corporation of North America

VREF
LED short-circuit
Notes)
H : Enable
L : Disable
2 V
24 V
f
=110 000
SW
/R
Block Diagram
T
[kHz]
detection
[kΩ]
This application circuit is an example. The operation of mass production set is not guaranteed. Perform enough evaluation and
verification on the design of mass production set.
This block diagram is for explaining functions. Part of the block diagram may be omitted, or it may be simplified.
13
15
16
14
12
22
24
21
20
26
28
27
1
2
3
VREF
CT
VCNT
EO
RT
SYNC
VDD
VREG1
VREG2
VSET
PWM1
PWM2
PWM3
PWM4
GND
to 180 V
SDET
18
VFB[1:4]
V
IN
FIN
RAMP
BG
GND
EOTA
＋
－
Max 0.5 V
RS
17
UVLO
TIMER
REGULATOR
LINEAR
GATE
COMP
＋
－
＋
－
COMP
19
TSD
R
S
POR
1V
25
OVP
＋
－
COMP
SHORT
LED
DET
TMR_O
OVP_O
TSD_O
POR_O
SDET_O
TMR_O
OVP_O
TSD_O
VFB[1:4]
VREG2
VGATE
DRIVER
PRE
FLAG
5 V
23
FB2
FB3
FB4
CS4
CS3
CS2
CS1
FB1
10
11
I
5
6
9
8
7
4
LED