SGM3141B 查看數據表（PDF） - Unspecified
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SGM3141B Datasheet PDF : 14 Pages
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SGM3141B
700mA Buck/Boost
Charge Pump LED Driver
ELECTRICAL CHARACTERISTICS
(Full = -40℃ to +85℃, VIN = 3.6V, CIN = 4.7μF, COUT = CF = 1μF, VSHDN = VIN, typical values at +25℃, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
TEMP
MIN
Input Supply Voltage
Quiescent Current
Shutdown Current
Oscillator Frequency
VIN
IQ
ISHDN
VIN = 2.7V to 5.5V, FLASH = 0V,
ILOAD = 100μA
FLASH = VIN, 2× Mode
VEN = 0V, VIN = 5.5V
Full
2.7
Full
Charge Pump Equivalent
Resistance (2× mode)
Charge Pump Equivalent
Resistance (1× mode)
FB Reference Voltage
VFB
FLASH = VIN, RSET = 86.6kΩ
FLASH = GND
Full
131
Full
38
FB Pin Current
VFB = 0.3V
EN, FLASH Logic Low
Full
EN, FLASH Logic High
Full
1.3
EN, FLASH Pin Current
Full
VOUT Turn-On Time
Thermal Shutdown Temperature
VIN = 3.6V, FB within 90% of regulation
TYP
MAX UNITS
5.5
V
0.3
3
mA
2
1
μA
2.2
MHz
5
Ω
0.6
0.8
Ω
150
165
mV
47
54
1
μA
0.4
V
V
1
μA
250
μs
145
℃
SG Micro Corp
4
www.sg-micro.com
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