AAT1150 Advanced Analogic Technologies, AAT1150 Datasheet - Page 4

• Manufacturer Part Number: AAT1150
• Description: 1MHz 1A Step-Down DC/DC Converter
• Manufacturer: Advanced Analogic Technologies

Electrical Characteristics
V
4
∆V
IN
= V
OUT
∆V
V
Symbol
R
R
UVLO(HYS)
OUT
V
V
V
V
I
DS(ON)H
DS(ON)L
F
T
CC
(V
SHDN
T
I
V
EN(H)
I
UVLO
EN(L)
LIM
OSC
OUT
I
HYS
η
EN
SD
Q
IN
OUT
/V
= V
OUT
*∆V
P
= 5V, T
IN
) Load Regulation
Description
Input Voltage Range
Output Voltage Tolerance
Line Regulation
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
Quiescent Supply Current
Shutdown Current
Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
Efficiency
Enable Low Voltage
Enable High Voltage
Enable Pin Leakage Current
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
Conditions
V
I
V
V
V
V
No Load, V
V
T
T
T
V
I
V
V
V
T
OUT
OUT
A
A
A
A
IN
IN
IN
IN
IN
EN
IN
IN
IN
EN
1MHz 1A Step-Down DC/DC Converter
= 25°C
= 25°C
= 25°C
= 25°C
= V
= 4.2V, I
= 2.7 to 5.5V
Rising
Falling
= 5V, V
= 2.7 to 5.5V
= 2.7 to 5.5V
= 0V, V
= 5.5V
= 0 to 1A
= 600mA
OUT
OUT
+ 0.3 to 5.5V,
FB
IN
LOAD
= 0
= 5.5V
= 3.3V,
= 0 - 1A
Min
-4.0
700
2.7
1.2
1.2
1.4
1000
Typ
250
160
100
140
110
3.0
0.2
93
15
A
AAT1150
= 25°C.
Max
1200
300
150
150
5.5
4.0
2.5
1.0
0.6
1.0
1150.2005.03.1.2
Units
%/V
kHz
mV
mΩ
mΩ
µA
µA
µA
°C
°C
%
%
%
V
V
A
V
V