AAT1121IES-0.6-T1 Advanced Analog Technology, Inc., AAT1121IES-0.6-T1 Datasheet - Page 4

• Manufacturer Part Number: AAT1121IES-0.6-T1
• Description: 1.5MHz, 250mA Step-Down Converter
• Manufacturer: Advanced Analog Technology, Inc.

Electrical Characteristics
V
1. The AAT1121 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
2. Output voltage tolerance is independent of feedback resistor network accuracy.
4
4
IN
ΔV
by design, characterization, and correlation with statistical process controls.
Symbol
R
= 3.6V, T
R
Linereg
I
V
V
V
DS(ON)H
LXLEAK
V
V
I
DS(ON)L
F
T
SHDN
V
T
I
V
EN(H)
I
UVLO
I
EN(L)
T
LIM
OSC
OUT
OUT
I
HYS
FB
EN
SD
Q
FB
IN
S
/ΔV
IN
A
= -40°C to +85°C, unless otherwise noted; typical values are T
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
Feedback Threshold Voltage Accuracy
FB Leakage Current
Oscillator Frequency
Startup Time
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Enable Threshold Low
Enable Threshold High
Input Low Current
1
2
1.5MHz, 250mA Step-Down Converter
Conditions
V
Hysteresis
V
I
V
No Load
EN = GND
V
V
V
V
From Enable to Output
Regulation
V
OUT
IN
IN
IN
IN
IN
IN
OUT
IN
Rising
Falling
= 2.7V to 5.5V
= 5.5V, V
= 2.7V to 5.5V
= 3.6V
= V
= 0 to 250mA,
= 1.0V
EN
= 5.5V
LX
= 0 to V
IN
A
= 25°C.
0.591
Min
-1.0
-3.0
2.7
2.0
0.6
1.4
0.600
Typ
0.59
0.42
250
600
100
140
0.2
1.5
30
15
AAT1121
0.609
Max Units
5.5
2.6
1.0
1.0
0.2
0.6
1.0
3.0
V
1121.2007.03.1.2
1121.2006.10.1.2
IN
MHz
%/V
mV
mA
µA
µA
µA
µA
µA
µs
%
Ω
Ω
°C
°C
V
V
V
V
V
V
V