SGM3140B Datasheet, PDF (4/14 Pages) SG Micro Corp – Charge Pump LED Driver

SGM3140B
500mA Buck/Boost
Charge Pump LED Driver
ELECTRICAL CHARACTERISTICS
(Full = -40℃ to +85℃, V_IN = 3.6V, C_IN = 4.7μF, C_OUT = C_F = 1μF, V_SHDN = V_IN, typical values at +25℃, unless otherwise noted.)
PARAMETER
Input Supply Voltage
Quiescent Current
Shutdown Current
Oscillator Frequency
Charge Pump Equivalent
Resistance (2× mode)
Charge Pump Equivalent
Resistance (1× mode)
FB Reference Voltage
FB Pin Current
EN, FLASH Logic Low
EN, FLASH Logic High
EN, FLASH Pin Current
VOUT Turn-On Time
Thermal Shutdown Temperature
SYMBOL
V_IN
IQ
ISHDN
CONDITIONS
V_IN = 2.7V to 5.5V, FLASH = 0V,
ILOAD = 100μA
FLASH = VIN, 2× Mode
VEN = 0V, VIN = 5.5V
TEMP MIN
Full
2.7
Full
VFB
FLASH = V_IN, R_SET = 86.6kΩ
FLASH = GND
Full
131
Full
38
VFB = 0.3V
Full
Full
1.3
Full
VIN = 3.6V, FB within 90% of regulation
TYP
0.3
2
2.2
5
0.6
150
47
250
145
MAX
5.5
3
UNITS
V
mA
1
μA
MHz
Ω
0.8
Ω
165
mV
54
1
μA
0.4
V
V
1
μA
μs
℃
SG Micro Corp
4
www.sg-micro.com