AME, Inc.
AME5142
n
Electrical Specifications
V
IN
= 4.2V, EN = V
IN
, T
A
= 25
o
C, Unless otherwise noted.
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
T
RS
Over Voltage Protection
Input Undervoltage Lockout
EN Input Low
EN Input High
EN Input Current
OVP
UVP
V
EL
V
EH
I
EN
EN = GND or V
IN
1.5
0.1
2
µ
A
Restore, temperature decreasing
Rising edge
V
IN
rising or falling
24
2.35
140
26
2.5
28
2.65
0.4
V
V
V
Symbol
V
IN
Switching, V
FB
= 0V
I
Q
V
FB
I
FB
I
CL
R
DSON
I
SW
f
SW
Dmax
I
SD
OTP
I
SW
= 100mA, V
FB
= 0.2V
V
SW
= 20V
V
FB
= 0.1V
V
FB
= 0V
V
EN
= 0V
Shutdown, temperature increasing
0.9
88
V
FB
= 0.2V
650
Not Switching, V
FB
= 0.2V
0.137
Test Condition
Min
2.7
0.85
180
0.15
0.1
850
0.7
1
1.2
92
0.01
160
1
Typ
Max
5.5
1
250
0.163
1
1000
1.4
10
1.5
Units
V
mA
µ
A
V
µ
A
mA
Ω
µ
A
MHz
%
µ
A
o
White LED Boost Converter
In Tiny Package
C
Rev. A.01
7
AME [ ANALOG MICROELECTRONICS ]
