SC1103CSTRT Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
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Fabricante
SC1103CSTRT Datasheet PDF : 7 Pages
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SC1103
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 14
V
PGND to GND
±1
V
BST to GND
-0.3 to +26
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
VCC = 11.40V to 12.60V; GND = PGND = 0V; VO = 2.5V; TA = 25°C; BST = 22 ± 2V;
Per test circuit, unless otherwise specified.
Parameter
Symbols
Conditions
Min
Reference
VREF
1.238
Over 0 to 125°C Temp. range
1.225
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 (-)
65
Oscillator Frequency
170
Oscillator Frequency Shift
Max Duty Cycle
VFB < VREF/2
90
DH Sink/Source Current
IO
VBST - VDH = 4.5V / (VDH - VPGND = 2V)
500
UVLO Threshold
VUVLO
Note:
(1) This device is ESD sensitive. Use of standard ESD handling precautions is required.
Typ
1.250
1.250
2.0
5.0
0.5
75
200
50
95
3.8
Max
1.263
1.275
8.0
8.0
1.0
0.5
85
230
Units
V
µA
mA
%
%
mV
kHz
kHz
%
mA
V
2005 Semtech Corp.
2
www.semtech.com
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