AME, Inc.
High-Efficiency,30V Boost
Converters for 2 to 6 White LEDs
AME5134
n Electrical Specifications
VIN = 3.3V, VOV = 0V, COUT = 1mF, RSENSE = 10W, TA = -40oC to 85oC, unless otherwise noted.
Typical values are TA = 25 oC
Test Condition
Parameter
Supply Voltage
Symbol
Min
Typ Max Units
VIN
2.7
5.5
2.65
0.33 0.65
V
VIN rising or falling,
UVP Voltage
UVP
IQ
2.35
2.5
35mV hysteresis typical
Not switching, VFB = 0.5V
Switching, VFB = 0V
Quiescent Current
mA
0.44
0.1
1
0.9
1
TA = 25oC
Shutdown Current
OV Threshold
ISD
VOV
IOV
VEN = 0V
Rising edge
VOV = 1V
A
m
TA = 85oC
1.18
200
192
1.25 1.33
V
TA = 25oC
TA = 85oC
1
200
OV Input Bias Current
nA
10
CTRL Input Resistance
Maximum On- Time
Minimum Off-Time
RCTRL
tON
0 < VCTRL < 1.5V, EN = VIN
VIN = 3.3V
400
3.4
250
203
280
15
600
k
W
s
m
tOFF
ns
VCTRL = 1.25V
VCTRL = 3.3V
217
200
1.4
5
FB Threshold
VFB
mV
TA = 25oC
FB Input Bias Current
IFB
VFB = 1.0V
nA
TA = 85oC
100
0.8
220
0.1
1
SW On-Resistance
SW Current Limit
RDSON
ICL
W
start up condition
VSW = 30V
mA
TA = 25oC
TA = 85oC
SW Leakage Current
ISW
A
m
VEN = 0V
EN Logic-Level High
EN Logic-Level Low
VEH
VEL
1.8
V
0.4
1
TA = 25oC
TA = 85oC
0.01
0.1
EN Input Current
IEN
VEN = 0V to VIN
A
m
Rev.C.01
6