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參數(shù)資料
| 型號： | SC1151CS |
| 廠商： | Semtech Corporation |
| 英文描述： | PROGRAMMABLE DC/DC CONTROLLER FOR ADVANCED MICROPROCESSORS |
| 中文描述： | 可編程直流/直流控制器的先進微處理器 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 97K |
| 代理商： | SC1151CS |
SC1151
1998 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA
PROGRAMMABLE DC/DC CONTROLLER
FOR ADVANCED MICROPROCESSORS
March 11, 1998
2
NOTES:
(1) Low output currents, below the continuous conduction threshold will cause an increase in output voltage beyond
the load regulation limit. For Application circuit 16935F see the regulation curve on sheet 5.
(2) All VID codes not specifically listed here are invalid and cause shutdown exactly as if the shutdown pin had been
asserted. xxxxx refers to any valid VID code.
ELECTRICAL CHARACTERISTICS
Unless specified: V
CC
= 4.75V to 5.25V; GND = PGND = 0V; V
OSENSE
= V
O
; 0mV < (CSp-CSm) < 60mV; T
A
= 25
o
C
PARAMETER
CONDITIONS
VID
43210
MIN
TYP
MAX
UNITS
Output Voltage
(2)
I
O
= 2A in Application circuit 16935F
00101 1.782 1.800 1.818
V
00100 1.832 1.850 1.868
00011 1.881 1.900 1.919
00010 1.931 1.950 1.969
00001 1.980 2.000 2.020
00000 2.030 2.050 2.070
11111 1.980 2.000 2.020
11110 2.079 2.100 2.121
11101 2.178 2.200 2.222
11100 2.277 2.300 2.323
11011 2.376 2.400 2.424
11010 2.475 2.500 2.525
11001 2.574 2.600 2.626
11000 2.673 2.700 2.727
10111 2.772 2.800 2.828
10110 2.871 2.900 2.929
10101 2.970 3.000 3.030
10100 3.069 3.100 3.131
10011 3.168 3.200 3.232
10010 3.267 3.300 3.333
10001 3.366 3.400 3.434
10000 3.465 3.500 3.535
Load Regulation
I
O
= 0.3A to 13A
(1)
xxxxx
1
%
Line Regulation
xxxxx
0.5
%
UV Lockout
xxxxx
4.2
V
Current Limit Voltage
xxxxx
60
70
80
mV
Oscillator Frequency
xxxxx
180
200
220
kHz
Oscillator Max Duty Cycle
xxxxx
90
95
%
DH Sink/Source Current
BST - DH = 4.5V, DH - PGND = 2V
xxxxx
1
A
Output Voltage Tempco
xxxxx
65
ppm/
o
C
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