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| AAT2500B Datasheet, PDF (5/21 Pages) Advanced Analogic Technologies – Adjustable 3-Channel Regulator | |||
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SystemPowerTM
PRODUCT DATASHEET
AAT2500B
Adjustable 3-Channel Regulator
Electrical Characteristics (continued)1
VIN = 3.6V; TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol Description
Step-Down Converter; IOUT = 800mA
VIN
Input Voltage
VOUT
Output Voltage Tolerance
VOUT
VOUT Programmable Range
VFB
Feedback Threshold Voltage
ISHDN
Shutdown Current
ILX_LEAK
LX Leakage Current
IFB
Feedback Leakage
ILIM
Current Limit
RDS(ON)H High Side Switch On Resistance
RDS(ON)L
Low Side Switch On Resistance
ÎVOUT/VOUT Load Regulation
ÎVOUT/
VOUT*ÎVIN
Line Regulation
FOSC
Oscillator Frequency
TSD
Over-Temperature Shutdown Threshold
THYS
Over-Temperature Shutdown Hysteresis
VEN(L)
Enable Threshold Low
VEN(H)
Enable Threshold High
IEN
EN Input Leakage
Conditions
IOUT = 0 to 800mA; VIN = 2.7V to 5.5V
EN = GND
VIN = 5.5, VLX = 0 - VIN
VFB = 1.0V
ILOAD = 0 to 800mA
VEN = 5V, VIN = 5V
Min Typ Max Units
2.7
5.5
-3.0
3.0
0.9
VIN
0.891 0.9 0.909
1.0
1.0
0.2
1.2
280
160
0.5
0.2
1.6 2.0 2.4
140
15
0.6
1.4
-1.0
1.0
V
%
V
V
μA
μA
μA
A
mΩ
mΩ
%
%/V
MHz
°C
°C
V
V
μA
1. The AAT2500B is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and cor-
relation with statistical process controls.
2500B.2008.03.1.0
www.analogictech.com
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