AAT1123IJS-1.2-T1 Advanced Analog Technology, Inc., AAT1123IJS-1.2-T1 Datasheet - Page 4

• Manufacturer Part Number: AAT1123IJS-1.2-T1
• Description: 1MHz Step-Down Converter
• Manufacturer: Advanced Analog Technology, Inc.

Electrical Characteristics
T
1. The AAT1123 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
ΔV
I
V
I
V
V
I
DS(ON)H
LXLEAK
V
V
DS(ON)L
V
R
F
OUT_X
T
I
SHDN
T
V
UVLO
EN(H)
I
OUT
EN(L)
Linereg
T
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
Maximum Load Current
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
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 600mA,
FB
= 5.5V
LX
A
1MHz Step-Down Converter
= 0 to V
= 25°C, V
IN
,
IN
Min
-3.5
-1.0
600
591
250
= 3.6V.
2.7
1.8
0.6
0.7
1.4
Typ
0.45
0.40
100
600
100
140
1.0
25
15
AAT1123
Max Units
+3.5
609
5.5
2.6
1.0
0.5
0.2
1.5
0.6
1.0
V
1123.2007.02.1.6
50
1
IN
MHz
%/V
mV
mA
mV
µA
µA
µA
µA
kΩ
µA
°C
°C
µs
%
Ω
Ω
V
V
V
V
V
V