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AAT2511 Datasheet, PDF (4/20 Pages) Advanced Analogic Technologies – Dual 600mA, 1MHz Step-Down DC/DC Converter | |||
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AAT2511
Dual 600mA, 1MHz Step-Down DC/DC Converter
Electrical Characteristics1
TA = -40°C to 85°C, unless otherwise noted. Typical values are TA = 25°C, VIN = 3.6V.
Symbol Description
Step-Down Converter Channels
VIN
Input Voltage
VUVLO
UVLO Threshold
VOUT
VOUT
IQ
ISHDN
ILIM
RDS(ON)H
RDS(ON)L
ILXLK
âVLinereg
VFB
TS
FOSC
TSD
THYS
EN
VEN(L)
VEN(H)
IEN
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
Conditions
Min
2.7
VIN Rising
Hysteresis
VIN Falling
1.8
IOUT = 0 to 400mA, VIN = 2.7 - 5.5V -3.0
0.6
No Load, 0.6V Adjustable Version,
Per Channel
EN = SGND = GND
600
VIN = 5.5V, VLX = 0 to VIN,
EN = SGND = GND
VIN = 2.7V to 5.5V
0.6V Output, No Load, TA = 25°C 597
From Enable to Output Regulation
TA = 25°C
0.7
1.4
VIN = VFB = 5.5V
-1.0
Typ
100
25
0.45
0.4
600
100
1.0
140
15
Max
5.5
2.6
+3.0
4.0
50
1.0
1
0.2
615
1.5
0.6
1.0
Units
V
V
mV
V
%
V
µA
µA
mA
â¦
â¦
µA
%/V
mV
µs
MHz
°C
°C
V
V
µA
1. The AAT2511 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2. For adjustable version with higher than 2.5V output, please consult your AnalogicTech representative.
4
2511.2006.02.1.2
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