SGM3141 Datasheet, PDF (4/14 Pages) SG Micro Corp – Charge Pump LED Driver

SGM3141
700mA 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
SYMBOL
CONDITIONS
TEMP
MIN
Input Supply Voltage
Quiescent Current
Shutdown Current
Oscillator Frequency
V_IN
IQ
ISHDN
V_IN = 2.7V to 5.5V, FLASH = 0V,
I_LOAD = 100μA
FLASH = V_IN, 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
V_FB
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
V_OUT Turn-On Time
Thermal Shutdown Temperature
V_IN = 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