AME, Inc.
1.6 MHz Boost Converter With
30V Internal FET Switch
AME5140
n Electrical Specifications
VIN = 5V, EN = VIN, TA= 25oC, I L = 0A, unless otherwise noted.
Test Condition
Parameter
Input Voltage
Symbol
Min
2.7
1.5
1.2
Typ Max Units
VIN
5.5
V
TA = 25OC
TA = -40 to 85oC
1.8
0.4
0.5
Switch Current Limit
Switch ON Resistance
EN Pin Bias Current
ICL
RDSON
IEN
A
TA = 25OC
TA = -40 to 85oC
TA = 25OC
0.6
0.7
0.7
0.8
VIN = 5V
W
VIN = 3.3V
TA = -40 to 85oC
EN = 0V
0
0
A
m
EN = 5V
VIN = 3V
2
Feedback Pin Reference Voltage
Feedback Pin Bias Current
VFB
IFB
1.205 1.23 1.255
V
VFB = 1.23V
TA = 25oC
60
2
500
3
nA
FB = 1.15V
(Switching)
mA
VIN = 5V
TA = -40 to 85oC
Quiescent Current
IQ
TA = 25oC
400
FB = 1.3V
(Not Switching)
A
VIN = 5V
TA = -40 to 85oC
m
500
1
Shutdown Current
EN = 0V
0.01
A
m
Undervoltage Lockout
UVP
OTP
Rising Edge
2.15
2.35 2.55
V
oC
oC
Over Temperature Protection
OTP Hysteresis Temperature
VIN=2.7V to 5.5V
160
20
DVFB
DVIN
fSW
FB Voltage Line Regulation
2.7V <= VIN <= 5.5V
0.02
%V
VIN = 3V, TA = -40 to 85oC
VIN = 3V, TA = -40 to 85oC
EN = 0V
Switching Frequency
Maximum Duty Cycle
Switch Leakage
1
1.6
93
1.85 MHz
%
DMAX
ISW
86
0.1
2
A
m
EN Input Threshold (Low)
(Shutdown)
EN Input Threshold (High)
(Enable the device)
TA = -40 to 85oC
TA = -40 to 85oC
0.4
EN
Threshold
V
2
Rev.G.01
9
AME [ ANALOG MICROELECTRONICS ]
