AME5142 Datasheet, PDF (5/18 Pages) Analog Microelectronics – White LED Boost Converter In Tiny Package

AME, Inc.
AME5142
White LED Boost Converter
In Tiny Package
n Electrical Specifications
V = 4.2V, EN = V , T = 25^oC, Unless otherwise noted.
IN
IN A
Parameter
Input Voltage
Quiescent Current
Feedback Trip Point
FB Pin Bias Current
Switch Current Limit
Switch On-Resistance
SW Leakage Current
Swich frequency
Maximum Duty Cycle
Shutdown Supply Current
Over Temperature Protection
Over Voltage Protection
Input Undervoltage Lockout
EN Input Low
EN Input High
EN Input Current
Symbol
V_IN
I_Q
V_FB
I_FB
I_CL
R_DSON
I_SW
f_SW
Dmax
I_SD
OTP
T_RS
OVP
UVP
V_EL
V_EH
I_EN
Test Condition
Min
2.7
Switching, V_FB = 0V
Not Switching, V_FB = 0.2V
0.137
V_FB = 0.2V
650
I_SW = 100mA, V_FB = 0.2V
V_SW = 20V
V_FB = 0.1V
0.9
V_FB = 0V
88
V_EN = 0V
Shutdown, temperature increasing
Restore, temperature decreasing
Rising edge
24
V_IN rising or falling
2.35
1.5
EN = GND or V_IN
Typ
0.85
180
0.15
0.1
850
0.7
1
1.2
92
0.01
160
140
26
2.5
0.1
Max Units
5.5 V
1
mA
250 µA
0.163 V
1
µA
1000 mA
1.4 Ω
10 µA
1.5 MHz
%
1
µA
o_C
28
V
2.65 V
0.4
V
2
µA
Rev. A.01
7