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參數(shù)資料
| 型號(hào)： | SC1152CS |
| 廠商： | Semtech Corporation |
| 英文描述： | PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS |
| 中文描述： | 可編程同步DC / DC控制器的先進(jìn)的處理器 |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大小： | 77K |
| 代理商： | SC1152CS |
SC1152
PROGRAMMABLE SYNCHRONOUS DC/DC
CONTROLLER FOR ADVANCED PROCESSORS
1998 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
April 28, 1998
2
NOTE:
(1) Specification refers to application circuit (Figure 1.).
ELECTRICAL CHARACTERISTICS
Unless specified: V
CC
= 4.75V to 5.25V; GND = PGND = 0V; FB = V
O
; 0mV < (CS(+) - CS(-)) < 60mV; T
J
= 25
o
C
PARAMETER
CONDITIONS
I
O
= 2A
(1)
Supply Voltage
V
CC
Supply Current
V
CC
= 5.0
Load Regulation
I
O
= 0.3A to 15A
(1)
Line Regulation
All VID codes
(1)
MIN
TYP
MAX
UNITS
Output Voltage
See Table 1.
4.2
7
V
5
mA
1
%
0.5
%
Gain (A
OL
)
Current Limit Voltage
V
OSENSE
to V
O
35
dB
60
70
80
mV
Oscillator Frequency
180
200
220
kHz
Oscillator Max Duty Cycle
90
95
%
DH Sink/Source Current
BST
H
- DH = 4.5V, DH - PGND
H
= 2V
BST
L
- DL = 4.5V, DL - PGND
L
= 2V
1
A
DL Sink/Source Current
1
A
OVP Threshold Voltage
120
%
OVP Source Current
V
OVP
= 3V
10
mA
Power Good Threshold
Voltage
90
110
%
Dead Time
50
100
ns
ABSOLUTE MAXIMUM RATINGS
Parameter
V
CC
to GND
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
Symbol
V
IN
Maximum
-0.3 to 7
± 1
-0.3 to 15
Units
V
V
V
θ
JC
30
°C/W
θ
JA
90
°C/W
T
A
0 to 70
°C
T
STG
-65 to +150
°C
T
LEAD
300
°C
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