AAT1146 Analogic Corporation, AAT1146 Datasheet - Page 4

• Manufacturer Part Number: AAT1146
• Manufacturer: Analogic Corporation

Electrical Characteristics
T
1. The AAT1146 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
4
Step-Down Converter
EN
A
by design, characterization, and correlation with statistical process controls.
Symbol
R
= -40°C to +85°C, unless otherwise noted. Typical values are T
R
∆V
I
V
V
V
I
DS(ON)H
LXLEAK
V
V
DS(ON)L
V
R
F
T
I
SHDN
T
V
I
UVLO
EN(H)
I
OUT
EN(L)
Linereg
T
LIM
OSC
OUT
OUT
I
OUT
OUT
HYS
EN
SD
Q
IN
S
Description
Input Voltage
UVLO Threshold
Output Voltage Tolerance
Output Voltage Range
Quiescent Current
Shutdown Current
P-Channel Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
LX Leakage Current
Line Regulation
Out Threshold Voltage Accuracy
Out Leakage Current
Out Impedance
Start-Up Time
Oscillator Frequency
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Enable Threshold Low
Enable Threshold High
Input Low Current
1
Fast Transient 400mA Step-Down Converter
Conditions
V
Hysteresis
V
I
V
No Load, 0.6V Adjustable
Version
EN = AGND = PGND
V
EN = GND
V
0.6V Output, No Load
T
0.6V Output
>0.6V Output
From Enable to Output
Regulation
T
V
OUT
A
A
IN
IN
IN
IN
IN
IN
= 25°C
= 25°C
Rising
Falling
= 2.7V to 5.5V
= 5.5V, V
= 2.7V to 5.5V
= V
= 0 to 400mA,
OUT
= 5.5V
LX
A
= 0 to V
= 25°C, V
IN
,
IN
Min
-3.0
-1.0
600
591
250
= 3.6V.
2.7
1.8
0.6
1.0
1.4
Typ
0.45
0.40
100
600
150
140
0.1
1.4
27
15
AAT1146
Max Units
+3.0
609
5.5
2.7
1.0
0.2
2.0
0.6
1.0
V
1146.2006.01.1.2
70
1
IN
MHz
%/V
mV
mA
mV
µA
µA
µA
µA
kΩ
µA
°C
°C
µs
%
Ω
Ω
V
V
V
V
V
V