sc1155csw.tr Semtech Corporation, sc1155csw.tr Datasheet - Page 2

• Manufacturer Part Number: sc1155csw.tr
• Description: Programmable Synchronous Dc/dc Hysteretic Controller With Vrm 9.0 Vid Range
• Manufacturer: Semtech Corporation

PRELIMINARY - August 7, 2000
ABSOLUTE MAXIMUM RATINGS
Parameter
VIN12V
BOOT to DRVGND
BOOT to BOOTLO
Digital Inputs
AGND to DRVGND
LOHIB to AGND
LOSENSE to AGND
IOUTLO to AGND
HISENSE to AGND
VSENSE to AGND
Continuous Power Dissipation, T
Continuous Power Dissipation, T
Operating Junction Temperature
Lead Temperature (Soldering) 10 seconds
Storage Temperature
PIN CONFIGURATION
© 2000 SEMTECH CORP.
(28-Pin SOIC)
Top View
A
C
= 25°C
= 25°C
PROGRAMMABLE SYNCHRONOUS
DC/DC HYSTERETIC CONTROLLER
WITH VRM 9.0 VID RANGE
SIMPLIFIED BLOCK DIAGRAM
Symbol
VIN
T
P
P
T
T
STG
D
D
L
MAX
J
-0.3 to +7.3
Maximum
-65 to 150
0 to +125
+ 0.5V
6.25
300
1.2
14
25
15
14
14
14
14
5
SC1155
Units
°C
°C
°C
W
W
V
V
V
V
V
V
V
V
V
V
2