aoz1915 Alpha & Omega Semiconductor, aoz1915 Datasheet - Page 4

• Manufacturer Part Number: aoz1915
• Description: 1.5a General Purpose Boost Regulator
• Manufacturer: Alpha & Omega Semiconductor

Electrical Characteristics
T
Notes:
1. Guaranteed by design.
A
ERROR AMPLIFIER
OSCILLATOR
POWER SWITCH
DIODE
PROTECTIONS
LOGIC INPUTS
Rev. 1.1 July 2009
V
Symbol
D
= 25°C, V
R
I
IN
I
IN
IN
MAX
Ileak
ON
V
T
f
I
V
_
I
g
A
_
SW
LIM
_
SS
SD
FB
IN
UVLO
m
OFF
V
ON
_
(1)
LX
IN
= 3.3V, unless otherwise specified. Specifications in BOLD indicate an ambient temperature range of -40°C to +85°C.
IN Supply Voltage Range
IN UVLO Threshold
IN UVLO Hysteresis
IN Quiescent Current
IN Shutdowns Current
FB Voltage
FB Input Bias Current
FB Line Regulation
FB Load Regulation
Soft-Start Charge Current
Error Amplifier Transconductance
Error Amplifier Voltage Gain
Switching Frequency
Maximum Duty Cycle
LX On Resistance
LX Leakage Current
Diode Leakage
Diode forward voltage
Current Limit
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
EN Logic High Threshold
EN Logic Low Threshold
FSEL High
FSEL Low
EN, FSEL Input Current
Parameter
IN rising
EN = IN, FB = 1.4V
EN = GND
V
2.7V < V
Varies load so the input DC current
changes from 0.2A to 1.8A,
V
FSEL = IN
FSEL = GND
FSEL = IN, FB = 0V
FSEL = GND, FB = 0V
LX = 22V, EN = GND
OUT = 22V, LX = 0V
Id = 100mA
IN
OUT
www.aosmd.com
= 2.7V
=16V
IN
< 5.5V
Conditions
1.143
Min.
960
480
2.7
1.5
1.5
7
0.9Vin
0.1Vin
Typ.
1200
1.17
0.15
0.20
200
200
340
600
145
1.5
0.3
2.2
10
87
90
35
Max.
1.197
1440
0.25
720
5.5
2.6
1.2
2.9
0.4
0.1
13
10
1
1
2
AOZ1915
Page 4 of 14
Units
μA / V
% / V
V / V
kHz
mV
mA
μA
μA
μA
μA
μA
μA
°C
°C
%
%
Ω
V
V
V
V
A
V
V