AOZ1037PI Alpha & Omega Semiconductor Inc, AOZ1037PI Datasheet - Page 4

• Manufacturer Part Number: AOZ1037PI
• Description: IC BUCK SYNC ADJ 5A SO8
• Manufacturer: Alpha & Omega Semiconductor Inc
• Series: EZBuck™r
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of AOZ1037PI

• Featured Product: The AOZ103x Family Synchronous Buck Regulator
• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 V ~ 18 V
• Current - Output: 5A
• Frequency - Switching: 500kHz
• Voltage - Input: 4.5 V ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 785-1256-2

Electrical Characteristics
T
Note:
3. Specification in BOLD indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed by design.
A
ENABLE
MODULATOR
PROTECTION
POWER GOOD
PWM OUTPUT STAGE
Symbol
Rev. 1.1 September 2010
= 25°C, V
T
V
V
D
V
G
V
on_min
I
V
G
V
I
V
UVLO
OLPG
t
OFF
I
t
I
MAX
LIM
HYS
f
PGL
PG
FB
VEA
SS
IN
EN
FB
O
EA
IN
IN
Supply Voltage
Input Under-Voltage Lockout Threshold
Supply Current (Quiescent)
Shutdown Supply Current
Feedback Voltage
Load Regulation
Line Regulation
Feedback Voltage Input Current
EN Input Threshold
EN Input Hysteresis
Frequency
Maximum Duty Cycle
Minimum On Time
Error Amplifier Voltage Gain
Error Amplifier Transconductance
Current Limit
Over-Temperature Shutdown Limit
Soft Start Interval
PG LOW Voltage
PG Leakage
PG Threshold Voltage
PG Threshold Voltage Hysteresis
PG Delay Time
High-Side Switch On-Resistance
Low-Side Switch On-Resistance
= V
EN
= 12V, V
Parameter
OUT
= 3.3V unless otherwise specified
www.aosmd.com
V
V
I
V
T
Off Threshold
On Threshold
T
T
I
V
V
V
V
OUT
OL
A
IN
IN
EN
J
J
IN
IN
IN
IN
Rising
Falling
= 25°C
= 1mA
Rising
Falling
= 12V
= 5V
= 12V
= 5V
= 0V
= 0, VFB = 1.2V, V
(3
Conditions
)
EN
> 1.2V
0.788
Min.
400
100
4.5
5.8
87
2
Typ.
100
500
150
500
200
150
100
128
4.1
3.7
1.6
1.0
0.8
0.5
1.0
6.5
90
55
75
19
23
3
3
Max.
0.812
200
600
2.5
0.6
0.6
18
10
92
AOZ1037
1
Page 4 of 14
Units
µA / V
V / V
%Vo
kHz
m
m
mA
mV
µA
nA
ms
µA
°C
µs
ns
%
%
%
%
V
V
V
V
A
V
Ω
Ω