SC1101CS 查看數據表（PDF） - Semtech Corporation
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SC1101CS Datasheet PDF : 7 Pages
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SC1101
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified
in the Electrical Characteristics section is not implied.
Parameter
Symbol
Maximum
Units
Input Voltage
Ground Differential
Boost Input Voltage
VCC to GND
-0.3 to +7
V
PGND to GND
±1
V
BST to GND
-0.3 to +15
V
Operating Ambient Temperature Range
Storage Temperature Range
Maximum Junction Temperature
Lead Temperature (Soldering) 10 Sec.
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Case
TAMB
TSTG
TJ
TLEAD
θJA
θJC
0 to +70
-45 to 125
125
300
165
40
°C
°C
°C
°C
°C/W
°C/W
Electrical Characteristics
Unless specified: VCC = 4.75 to 5.25, GND = PGND = 0V, VO = 2.5V, TA = 25°C, BST = 12V.
Per test circuit, unless otherwise specified.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Reference
VREF
1.238
1.250
1.263
V
Over 0 to 125°C Temp. range
1.225
1.250
1.275
Feedback Bias Current
IFB
Quiescent Current
IQ
Load Regulation
Line Regulation
Current Limit Threshold
Current into VCC pin
IO = 1A to 10A
IO = 10A
CS(+) to CS(-)
2.0
8.0
uA
5.0
8.0
mA
0.5
1.0
%
0.5
%
60
70
80
mV
Oscillator Frequency
170
200
230
kHz
Oscillator Frequency Shift
Max Duty Cycle
VFB < VREF/2
50
kHz
90
95
%
DH Sink/Source Current
IO
VBST - VDH = 4.5V / VDH -VPGND = 2V
500
mA
UVLO Threshold
VUVLO
3.8
V
Note:
(1) This device is ESD sensitive. Use of standard ESD handling precautions is required.
2005 Semtech Corp.
2
www.semtech.com
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