AT1369
Preliminary Product Information
2-Channel Synchronous Buck PWM Controller
with Power Good Reset
Pin Configuration
Ordering Information
Part number
AT1369AR
AT1369AR_GRE
AT1369BR
AT1369BR_GRE
A: fosc =300KHz
Package
SSOP20
SSOP20,Green
SSOP20
SSOP20,Green
B: fosc =600KHz
Marking
AT1369AR
AT1369AR, Date Code with one bottom line
AT1369BR
AT1369BR, Date Code with one bottom line
Pin Description
Symbol
Pin No.
Descript
Symbol
Pin
No.(A/B)
Descript
FB1
COMP1
PVCC
PDRV1
NDRV1
NDRV2
PDRV2
PGND
COMP2
FB2
1
2
3
4
5
6
7
8
9
10
Inverting input to error
amplifier 1
Error amplifier1 output
Power blocks power
supply
Output1 for Pch-MOSFET
SS2
SCP
CTL
VCC
11
12
13
14
15
16
17
18
19
20
Sotf-start 2
Short-Circuit protection
Chip enable, high active
Control blocks power
supply
Control blocks ground
Power Good indicator
VCC monitor voltage
adjustable input pin
Adjustable Reset input
Output voltage 3.3V
Sotf-start 1
Output1 for Nch-MOSFET
GND
Output2 for Nch-MOSFET
RESET
Output2 for Pch-MOSFET
IN1
Power blocks ground
Error amplifier1 output
Inverting input to error
amplifier 2
EI
3V3
SS1
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW:
http://www.aimtron.com.tw
Fax: 886-3-563-0879
Email:
service@aimtron.com.tw
2
AIMTRON [ AIMTRON TECHNOLOGY ]
