AME5131 Datasheet, PDF (5/11 Pages) Analog Microelectronics – Low Power DC/DC Boost Converter

AME, Inc.
AME5131
Low Power
DC/DC Boost Converter
n Electrical Specifications
V_IN = 2.4V, EN = V_IN, T_A = -40^oC to 85^oC, typical values are at T_A = 25^oC
Parameter
Symbol
Test Condition
Min Typ Max Units
Input Voltage
V_IN
1.8
5.5 V
Quiescent Current
I_Q
I_OUT = 0mA, not switching, V_FB = 1.3V
32 50
Shutdown Current
I_SD
EN = GND
0.1 1 µA
FB Pin Bias Current
I_{F B}
V_FB = 1.3V
1
Feedback Trip Point
V_FB
1.8V V_IN 5.5V
1.187 1.212 1.237 V
UVP Voltage
UVP
1.5 1.7 V
Switch Current Limit
I_{C L}
V_OUT = 18V, I_OUT = 10mA, T_A=25^oC
350 400 450 mA
Switch R_DSON
R_DSON
V_IN = 2.4V; I_SW = 200mA
0.6 1
Ω
SW leakage current
I_SW
V_SW = 28V
1
10 µA
Switch Off Time
t_OFF
400
ns
Switch On Time
t_ON
6
µs
EN Input Current
I_EN
EN = GND or V_IN
0.1 1 µA
EN Input Threshold (High) V_EH
Device Active
1.3
V
EN Input Threshold (Low)
V_EL
Line Regulation
REG_LINE
Load Regulation
REG_LOAD
Device Shutdown
1.8 V_IN 5.5V; V_OUT =18V;
I_LOAD =10mA; Cff = not connected
V_IN =2.4V; V_OUT =18V;
0mA I_OUT 30mA
0.4 V
0.3
%/V
0.15
%/mA
5