sc1152 Semtech Corporation, sc1152 Datasheet - Page 3

• Manufacturer Part Number: sc1152
• Description: Programmable Synchronous Dc/dc Controller For Advanced Processors
• Manufacturer: Semtech Corporation

PIN DESCRIPTION
April 28, 1998
Pin #
NOTE:
(1) All logic level inputs and outputs are open collector TTL compatible.
PIN CONFIGURATION
© 1998 SEMTECH CORP.
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Pin Name
GND
V
OVP
PWRGOOD
CS(-)
CS(+)
PGNDH
DH
NC
PGNDL
DL
BSTL
BSTH
SHUTDOWN
VOSENSE
VID4
VID3
VID2
VID1
VID0
CC
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Pin Function
Small Signal Analog and Digital Ground
Chip Supply Voltage
High Signal Out if V
Open collector logic output, high if V
Current Sense Input (negative)
Current Sense Input (positive)
Power Ground for High Side Switch
High Side Driver Output
Not Connected
Power Ground for Low Side Switch
Low Side Driver Output
Vcc for Low Side Driver (Boost)
Vcc for High Side Driver (Boost)
Logic Low shuts down the converter
Top end of internal feedback chain
Programming Input (MSB)
Programming Input
Programming Input
Programming Input
Programming Input (LSB)
PROGRAMMABLE SYNCHRONOUS DC/DC
CONTROLLER FOR ADVANCED PROCESSORS
O
652 MITCHELL ROAD NEWBURY PARK CA 91320
> Setpoint + 20%
O
within 10% of setpoint
SC1152
3