SC1150 データシートの表示（PDF） - Semtech Corporation
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SC1150 Datasheet PDF : 6 Pages
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PROGRAMMABLE DC/DC
CONTROLLER
SC1150
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
Output Voltage(2)
CONDITIONS
IO = 2A in Application circuit 16935E
VID MIN TYP MAX UNITS
3210
1111 1.980 2.000 2.020 V
1110 2.079 2.100 2.121
1101 2.178 2.200 2.222
1100 2.277 2.300 2.323
1011 2.376 2.400 2.424
1010 2.475 2.500 2.525
1001 2.574 2.600 2.626
1000 2.673 2.700 2.727
0111 2.772 2.800 2.828
0110 2.871 2.900 2.929
0101 2.970 3.000 3.030
0100 3.069 3.100 3.131
0011 3.168 3.200 3.232
0010 3.267 3.300 3.333
0001 3.366 3.400 3.434
Load Regulation
Line Regulation
IO = 0.3A to 13A(1)
0000 3.465 3.500 3.535
xxxx
1
%
xxxx
0.5
%
UV Lockout
xxxx
4.2 V
Current Limit Voltage
xxxx 60 70 80 mV
Oscillator Frequency
xxxx 180 200 220 kHz
Oscillator Max Duty
Cycle
xxxx 90 95
%
DH Sink/Source Current BST - DH = 4.5V, DH - PGND = 2V
Output Voltage Tempco
xxxx 1
xxxx
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 16935E 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. xxxx refers to any valid VID code.
© 1998 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA
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