SC1151(1998) 查看數據表（PDF） - Semtech Corporation
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SC1151 Datasheet PDF : 6 Pages
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PROGRAMMABLE DC/DC CONTROLLER
FOR ADVANCED MICROPROCESSORS
SC1151
March 11, 1998
ELECTRICAL CHARACTERISTICS
Unless specified: VCC = 4.75V to 5.25V; GND = PGND = 0V; VOSENSE = VO; 0mV < (CSp-CSm) < 60mV; TA = 25oC
PARAMETER
CONDITIONS
VID
MIN TYP MAX UNITS
43210
Output Voltage(2)
IO = 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
Load Regulation
Line Regulation
IO = 0.3A to 13A(1)
10000 3.465 3.500 3.535
xxxxx
1
%
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
Output Voltage Tempco
BST - DH = 4.5V, DH - PGND = 2V
xxxxx 1
xxxxx
65
A
ppm/oC
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.
© 1998 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA
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