sc1152 Semtech Corporation, sc1152 Datasheet - Page 2

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

ELECTRICAL CHARACTERISTICS
April 28, 1998
ABSOLUTE MAXIMUM RATINGS
Parameter
V
PGND to GND
BST to GND
Thermal Resistance
Junction to Case
Thermal Resistance
Junction to Ambient
Operating
Temperature Range
Storage
Temperature Range
Lead Temperature
(Soldering) 10 sec
Unless specified: V
PARAMETER
Output Voltage
Supply Voltage
Supply Current
Load Regulation
Line Regulation
Gain (A
Current Limit Voltage
Oscillator Frequency
Oscillator Max Duty Cycle
DH Sink/Source Current
DL Sink/Source Current
OVP Threshold Voltage
OVP Source Current
Power Good Threshold
Voltage
Dead Time
NOTE:
(1) Specification refers to application circuit (Figure 1.).
© 1998 SEMTECH CORP.
CC
to GND
OL
)
CC
= 4.75V to 5.25V; GND = PGND = 0V; FB = V
Symbol
T
T
V
T
LEAD
STG
JC
JA
IN
A
I
V
V
I
All VID codes
V
BST
BST
V
O
O
CC
CC
OSENSE
OVP
= 2A
= 0.3A to 15A
-65 to +150
Maximum
-0.3 to 15
= 5.0
-0.3 to 7
H
L
= 3V
0 to 70
- DL = 4.5V, DL - PGND
- DH = 4.5V, DH - PGND
300
± 1
(1)
30
90
to V
PROGRAMMABLE SYNCHRONOUS DC/DC
CONTROLLER FOR ADVANCED PROCESSORS
O
CONDITIONS
(1)
(1)
Units
°C/W
°C/W
°C
°C
°C
V
V
V
652 MITCHELL ROAD NEWBURY PARK CA 91320
L
H
= 2V
= 2V
O
; 0mV < (CS(+) - CS(-)) < 60mV; T
MIN
180
4.2
60
90
10
90
50
1
1
See Table 1.
TYP
200
120
100
0.5
35
70
95
5
1
MAX
110
220
80
7
SC1152
J
UNITS
= 25
kHz
mA
mV
mA
dB
ns
%
%
%
%
%
V
A
A
o
C
2