AAT2511 AAT, AAT2511 Datasheet - Page 4

• Manufacturer Part Number: AAT2511
• Description: Step-Down DC/DC Converter
• Manufacturer: AAT

Electrical Characteristics
T
1. The AAT2511 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
2. For adjustable version with higher than 2.5V output, please consult your AnalogicTech representative.
4
Step-Down Converter Channels
EN
A
by design, characterization, and correlation with statistical process controls.
Symbol
= -40°C to 85°C, unless otherwise noted. Typical values are T
R
R
∆V
V
V
V
I
DS(ON)H
V
V
DS(ON)L
F
I
T
SHDN
T
V
V
I
LXLK
UVLO
EN(H)
I
T
EN(L)
Linereg
OUT
OUT
I
LIM
OSC
HYS
EN
SD
Q
FB
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
FB Threshold Voltage Accuracy
Start-Up Time
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
Enable Threshold Low
Enable Threshold High
Input Low Current
1
Dual 600mA, 1MHz Step-Down DC/DC Converter
Conditions
V
Hysteresis
V
I
No Load, 0.6V Adjustable Version,
Per Channel
EN = SGND = GND
V
EN = SGND = GND
V
0.6V Output, No Load, T
From Enable to Output Regulation
T
V
OUT
A
IN
IN
IN
IN
IN
= 25°C
Rising
Falling
= 5.5V, V
= 2.7V to 5.5V
= V
= 0 to 400mA, V
FB
= 5.5V
LX
= 0 to V
A
IN
= 25°C, V
= 2.7 - 5.5V
IN
A
,
= 25°C
IN
= 3.6V.
Min
-3.0
600
597
-1.0
2.7
1.8
0.6
0.7
1.4
0.45
Typ
100
600
100
140
0.4
1.0
25
15
AAT2511
Max
+3.0
615
4.0
0.6
5.5
2.6
1.0
0.2
1.5
1.0
50
2511.2006.02.1.2
1
Units
MHz
%/V
mV
mA
mV
µA
µA
µA
µA
°C
°C
µs
%
Ω
Ω
V
V
V
V
V
V