at1731 ETC-unknow, at1731 Datasheet - Page 2

• Manufacturer Part Number: at1731
• Description: 2-channel Pwm Controller For Lcd Bias
• Manufacturer: ETC-unknow

Pin Configuration
Ordering Information
Pin Description
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
Fax: [phone]
Symbol
PGND
GND
GND
FB1
FB2
IN1
IN2
NC
Pin No.
Part number
1
2
3
4
5
6
7
8
AT1731
CH1 error amplifier output
CH1 inverting input to
error amplifier
Don’t connect
Control blocks ground
Power blocks ground
Control blocks ground
CH2 inverting input to
error amplifier
CH2 error amplifier output
Descript
TSSOP16
Package
2-Channel PWM Controller for LCD Bias
2
Symbol
OUT1
OUT2
VCC
REG
CS2
CS1
NC
CT
Pin No.
10
12
13
14
15
16
11
9
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CH1 output for Nch-
MOSFET
CH2 output for Pch-
MOSFET
Don’t connect
Power Supply
Regulated voltage output
Oscillator
capacitor
Sotf-start for CH2
Soft-star for CH1
AT1731P
Marking
http://www.aimtron.com.tw
-
[e-mail]
Descript
AT1731
Preliminary
timing