SC1153 查看數據表（PDF） - Semtech Corporation
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SC1153 Datasheet PDF : 7 Pages
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PROGRAMMABLE SYNCHRONOUS DC/DC
CONTROLLER FOR ADVANCED PROCESSORS
SC1153
PRELIMINARY - October 3, 2000
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol Maximum
VCC to GND
PGND to GND
VIN
-0.3 to 7
±1
BST to GND
-0.3 to 15
Thermal Resistance
Junction to Case
θJC
30
Thermal Resistance
Junction to Ambient
θJA
90
Operating
Temperature Range
TA
0 to 70
Storage
Temperature Range
TSTG
-65 to +150
Lead Temperature
(Soldering) 10 sec
TLEAD
300
Units
V
V
V
°C/W
°C/W
°C
°C
°C
ELECTRICAL CHARACTERISTICS
Unless specified: VCC = 4.75V to 5.25V; GND = PGND = 0V; FB = VO; 0mV < (CS(+) - CS(-)) < 60mV; TJ = 25oC
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
Output Voltage
IO = 2A(1)
See Output Voltage Table.
Supply Voltage
VCC
4.2
7
V
Supply Current
Load Regulation
Line Regulation
VCC = 5.0
IO = 0.3A to 15A(1)
All VID codes(1)
5
mA
1
%
0.5
%
Gain (AOL)
Current Limit Voltage
VOSENSE to VO
35
dB
60
70
80
mV
Oscillator Frequency
180
200
220
kHz
Oscillator Max Duty Cycle
90
95
%
DH Sink/Source Current
BSTH - DH = 4.5V, DH - PGNDH = 2V
1
A
DL Sink/Source Current
BSTL - DL = 4.5V, DL - PGNDL = 2V
1
A
OVP Threshold Voltage
120
%
OVP Source Current
Power Good Threshold
Voltage
VOVP = 3V
10
mA
90
110
%
Dead Time
50
100
ns
NOTE:
(1) Specification refers to application circuit (Figure 1.).
(2) This part is ESD sensitive. Use of standard ESD handling precautions is required.
© 2000 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA 91320
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