AAT2503_08 Datasheet, PDF (5/22 Pages) Advanced Analogic Technologies – Adjustable 3-Channel Regulator

SystemPower^TM
PRODUCT DATASHEET
AAT2503178
Adjustable 3-Channel Regulator
Electrical Characteristics (continued)¹
V_IN = 3.6V; T_A = -40°C to +85°C, unless otherwise noted. Typical values are T_A = 25°C.
Symbol Description
Step-Down Converter; I_OUT = 800mA
V_IN
Input Voltage
UVLO Under-Voltage Lockout Voltage
V_OUT
V_OUT
V_FB
I_SHDN
I_{LX_LEAK}
I_FB
I_LIM
R_DS(ON)H
R_DS(ON)L
ΔV_OUT/V_OUT
ΔV_OUT/
V_OUT*ΔV_IN
F_OSC
T_SD
T_HYS
V_EN(L)
V_EN(H)
I_EN
V_MODE/SYNC(L)
V_MODE/SYNC(H)
I_MODE/SYNC
Output Voltage Tolerance
V_OUT Programmable Range
Feedback Threshold Voltage
Shutdown Current
LX Leakage Current
Feedback Leakage
Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
Load Regulation
Line Regulation
Oscillator Frequency
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Enable Threshold Low
Enable Threshold High
EN Input Leakage
Enable Threshold Low
Enable Threshold High
Input Low Current
Conditions
V_IN Rising
Hysteresis
V_IN Falling
I_OUT = 0 to 800mA; V_IN = 2.7V to 5.5V
EN = GND
V_IN = 5.5, V_LX = 0 to V_IN
V_FB = 1.0V
I_LOAD = 0 to 800mA
V_EN = 5V, V_IN = 5V
Min
2.7
1.5
-3.0
0.9
0.891
1.6
1.4
-1.0
V_IN · 0.7
-1.0
Typ
250
0.9
1.2
400
300
0.5
0.2
2.0
140
15
Max
5.5
1.8
3.0
V_IN
0.909
1.0
1.0
0.2
2.4
0.6
1.0
V_IN · 0.4
1.0
Units
V
V
mV
V
%
V
V
μA
μA
μA
A
mΩ
mΩ
%
%/V
MHz
°C
°C
V
V
μA
V
V
μA
1. The AAT2503 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla-
tion with statistical process controls.
2503.2008.02.1.4
www.analogictech.com
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