參數(shù)資料
型號(hào)： AAT2503
廠商： Advanced Analog Technology,lnc.
英文描述： Adjustable 3-Channel Regulator
中文描述： 可調(diào)節(jié)的3通道穩(wěn)壓器
文件頁(yè)數(shù)： 5/23頁(yè)
文件大?。?/td> 1022K
代理商： AAT2503
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
Step-Down Converter; I
OUT
= 800mA
V
IN
Input Voltage
Description
Conditions
Min
Typ
Max
Units
2.7
5.5
1.8
V
V
V
IN
Rising
Hysteresis
V
IN
Falling
I
OUT
= 0 to 800mA;
V
IN
= 2.7V to 5.5V
UVLO
Under-Voltage Lockout Voltage
250
mV
V
1.5
V
OUT
Output Voltage Tolerance
-3.0
3.0
%
V
OUT
V
FB
I
SHDN
I
LX_LEAK
I
FB
I
LIM
R
DS(ON)H
R
DS(ON)L
Δ
V
OUT
/V
OUT
Δ
V
OUT
/
V
OUT
*
Δ
V
IN
F
OSC
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
0.9
0.891
V
IN
0.909
1.0
1.0
0.2
V
V
μA
μA
μA
A
m
Ω
m
Ω
%
0.9
EN = GND
V
IN
= 5.5, V
LX
= 0 to V
IN
V
FB
= 1.0V
1.2
400
300
0.5
I
LOAD
= 0 to 800mA
Line Regulation
0.2
%/V
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
Enable Threshold Low
Enable Threshold High
EN Input Leakage
1.6
2.0
2.4
MHz
T
SD
140
°C
T
HYS
15
°C
V
EN(L)
V
EN(H)
I
EN
0.6
V
V
μA
1.4
-1.0
V
EN
= 5V, V
IN
= 5V
1.0
V
IN
×
0.4
V
MODE/SYNC(L)
Enable Threshold Low
V
V
MODE/SYNC(H)
Enable Threshold High
V
IN
×
0.7
-1.0
V
I
MODE/SYNC
Input Low Current
1.0
μA
AAT2503
Adjustable 3-Channel Regulator
2503.2007.04.1.1
5
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 correlation with statistical process controls.
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