參數(shù)資料
型號: AAT2554
廠商: Advanced Analog Technology,lnc.
英文描述: Total Power Solution for Portable Applications
中文描述: 總功率便攜式應用解決方案
文件頁數(shù): 4/33頁
文件大?。?/td> 877K
代理商: AAT2554
Electrical Characteristics
1
V
INB
= 3.6V; T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C.
Symbol
Description
Conditions
Min
Typ
Max
Units
Step-Down Converter
V
IN
Input Voltage
2.7
5.5
2.7
V
V
V
INB
Rising
Hysteresis
V
INB
Falling
I
OUTB
= 0 to 250mA,
V
INB
= 2.7V to 5.5V
V
UVLO
UVLO Threshold
200
mV
V
%
1.8
-3.0
V
OUT
Output Voltage Tolerance
2
3.0
V
OUT
I
Q
I
SHDN
I
LIM
R
DS(ON)H
R
DS(ON)L
I
LXLEAK
Δ
V
Linereg
/
Δ
V
IN
V
FB
I
FB
F
OSC
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
Feedback Threshold Voltage Accuracy
FB Leakage Current
Oscillator Frequency
0.6
V
INB
V
μA
μA
mA
Ω
Ω
μA
%/V
V
μA
MHz
No Load
ENB = GND
30
1.0
600
0.59
0.42
V
INB
= 5.5V, V
LX
= 0 to V
INB
V
INB
= 2.7V to 5.5V
V
INB
= 3.6V
V
OUTB
= 1.0V
1.0
0.2
0.6
0.591
0.609
0.2
1.5
T
S
Startup Time
From Enable to Output
Regulation
100
μs
T
SD
T
HYS
V
EN(L)
V
EN(H)
I
EN
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Enable Threshold Low
Enable Threshold High
Input Low Current
140
15
°C
°C
V
V
μA
0.6
1.4
-1.0
V
INB
= V
ENB
= 5.5V
1.0
AAT2554
Total Power Solution for Portable Applications
4
2554.2007.01.1.2
1. The AAT2554 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. Output voltage tolerance is independent of feedback resistor network accuracy.
相關(guān)PDF資料
PDF描述
AAT2554IRN-CAP-T1 Total Power Solution for Portable Applications
AAT2554IRN-CAQ-T1 Total Power Solution for Portable Applications
AAT2554IRN-CAT-T1 Total Power Solution for Portable Applications
AAT2554IRN-CAW-T1 Total Power Solution for Portable Applications
AAT2556 Battery Charger and Step-Down Converter for Portable Applications
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AAT2554IRN-CAP-T1 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Total Power Solution for Portable Applications
AAT2554IRN-CAQ-T1 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Total Power Solution for Portable Applications
AAT2554IRN-CAT-T1 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Total Power Solution for Portable Applications
AAT2554IRN-CAW-T1 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Total Power Solution for Portable Applications
AAT2556 制造商:AAT 制造商全稱:AAT 功能描述:Battery Charger and Step-Down Converter for Portable Applications