aoz1232-01 Alpha & Omega Semiconductor, aoz1232-01 Datasheet - Page 5

• Manufacturer Part Number: aoz1232-01
• Description: 28v/6a Synchronous Ezbucktm Regulator
• Manufacturer: Alpha & Omega Semiconductor

Electrical Characteristics
T
Absolute Maximum Ratings
Exceeding the Absolute Maximum Ratings may damage the
device.
Note:
1. Devices are inherently ESD sensitive, handling precautions are
2. LX to PGND
IN, AIN, PFM to AGND
LX to AGND
BST to AGND
SS, PGOOD, FB, EN, TON to AGND
PGND to AGND
Junction Temperature (T
Storage Temperature (T
ESD Rating
A
Enable
PFM Control
Modulator
Symbol
V
V
T
Rev. 1.0 October 2011
required. Human body model rating: 1.5k
= 25°C, V
V
PFMHYS
ON
EN_HYS
V
I
V
V
T
V
UVLO
OFF
I
PFM
I
FB
ON
EN
FB
IN
q
_
MIN
(1)
IN
IN Supply Voltage
Under-Voltage Lockout Threshold of V
Quiescent Supply Current of V
Shutdown Supply Current
Feedback Voltage
Load Regulation
Line Regulation
FB Input Bias Current
EN Input Threshold
EN Input Hysteresis
PFM Input Threshold
PFM Input Hysteresis
On Time
Minimum On Time
= 12V, EN = 5V, unless otherwise specified. Specifications in BOLD indicate a temperature range of -40°C to +85°C.
Parameter
Transient (t<20ns) ------ -7V to V
S
J
)
)
Parameter

in series with 100pF.
cc
-65°C to +150°C
IN
-0.3V to +0.3V
+ 7V.
Rating
-0.3V to 30V
-0.3V to 36V
-0.3V to 6V
-2V to 30V
cc
+150°C
www.aosmd.com
V
V
I
V
T
T
Off threshold
On threshold
PFM Mode threshold
Force PWM threshold
R
R
OUT
2kV
A
A
cc
cc
EN
TON
TON
= 25°C
= 0°C to 85°C
rising
falling
= 0V
= 0, V
= 100k, V
= 100k, V
Conditions
Maximum Operating Ratings
The device is not guaranteed to operate beyond the
Maximum Operating ratings.
Note:
1. Connect V
Supply Voltage (V
Output Voltage Range
Ambient Temperature (T
Package Thermal Resistance
HS MOSFET
LS MOSFET
PWM Controller
FB
application.
= 1.0V, V
IN
IN
= 12V
= 24V
CC
EN
Parameter
and AIN to external 5V for V
> 2V
IN
)
A
)
0.792
0.788
Min.
200
2.7
3.2
2.5
2.5
0.800
0.800
Typ.
100
100
250
150
100
4.0
3.7
0.5
2
1
1
IN
= 2.7V ~ 6.5V
AOZ1232-01
0.8V to 0.85*V
0.808
0.812
Max
-40°C to +85°C
200
300
4.4
0.5
0.5
28
20
Rating
2.7V
3
Page 5 of 18
(1)
25°C/W
20°C/W
50°C/W
Units
to 28V
mA
mV
mV
A
nA
ns
ns
%
%
V
V
V
V
V
IN