aoz1905 Alpha & Omega Semiconductor, aoz1905 Datasheet - Page 4

• Manufacturer Part Number: aoz1905
• Description: Ezboost 2a General Purpose Regulator
• Manufacturer: Alpha & Omega Semiconductor

Electrical Characteristics
T
Note:
2. Guaranteed by design.
A
ERROR AMPLIFIER
OSCILLATOR
POWER SWITCH
PROTECTIONS
LOGIC INPUTS
Rev. 1.4 May 2008
= 25°C, V
V
Symbol
D
R
I
D
IN_UVLO
I
IN_OFF
IN_ON
MAX
ON_LX
V
MIN
I
T
V
f
I
g
A
LIM
SW
SS
SD
FB
IN
m
V
(2)
(2)
IN
= 3.3V, unless otherwise specified
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
Minimum Duty Cycle
LX On Resistance
LX Leakage Current
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
.
Specifications in BOLD indicate an ambient temperature range of -40°C to +85°C.
IN rising
EN = IN, FB = 1.4V
EN = GND
V
2.7V < V
0.2A < Iswitch < 1.8A,
V
FSEL = V
FSEL = GND
V
FSEL = V
FSEL = GND
LX = 24V, EN = GND
www.aosmd.com
IN
OUT
IN
= 2.7V
= 2.7V
= 16V
Conditions
IN
IN
IN
< 5.5V
0.85 x V
1.143
Min.
960
480
2.7
1.5
7
2
IN
Typ.
1200
1.17
0.15
0.20
200
200
340
600
145
1.5
2.7
0.1
10
89
24
12
35
0.15 x V
Max.
1.197
1440
0.25
720
5.5
2.6
3.5
0.4
13
1
1
1
2
1
AOZ1905
IN
Page 4 of 16
Units
% / V
V / V
kHz
mV
mA
µA
µA
µA
µS
µA
°C
°C
µA
%
%
%
V
V
V
A
V
V
V
V