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參數(shù)資料
| 型號(hào)： | AAT3171 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | High Current, High Efficiency Charge Pump with Auto-Timer |
| 中文描述： | 大電流，高效率電荷泵與自動(dòng)定時(shí)器 |
| 文件頁(yè)數(shù)： | 4/19頁(yè) |
| 文件大?。?/td> | 382K |
| 代理商： | AAT3171 |
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Electrical Characteristics
1
C
IN
= 4.7μF, C
OUT
= 2.2μF, C
1
= C
2
= 1.0μF; T
A
= -40°C to +85°C, unless otherwise noted. Typical values are
T
A
= 25°C, V
IN
= 3.6V.
Symbol
Description
Conditions
Min
Typ
Max
Units
Power Supply
V
IN
Input Voltage Range
2.7
5.5
V
μA
1X, No Load Current
3.0
≤
V
IN
≤
5.5, 1.5X Mode,
No Load Current
3.0
≤
V
IN
≤
5.5, 2X Mode,
No Load Current
EN = 0
V
F
= 3.6V
Programmed for 600mA;
R
SET
= 187k
Ω
300
2.0
4.0
I
CC
Operating Current
mA
3.0
6.0
I
SHDN(MAX)
I
OUT(MAX)
V
IN
Pin Shutdown Current
Maximum Output Current
1.0
μA
mA
2
800
I
DX
Output Current Accuracy
540
660
mA
T
SS
V
RSET
Soft-Start Time
R
SET
Pin Voltage
200
0.7
μs
V
EN/SET
V
EN(L)
V
EN(H)
T
EN/SET LO
T
EN/SET HI
T
EN/SET HI MAX
T
OFF
T
LAT
Input Current
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
Minimum EN/SET High Time
Maximum EN/SET High Time
EN/SET Off Timeout
EN/SET Latch Timeout
EN/SET Input Leakage
V
IN
= 2.7V
V
IN
= 5.5V
0.4
V
V
μs
ns
μs
μs
μs
μA
1.4
0.3
75
50
75
500
500
1
-1
AAT3171
High Current, High Efficiency
Charge Pump with Auto-Timer
4
3171.2007.03.1.1
1. The AAT3171 is guaranteed to meet performance specifications from 0°C to 70°C. Specification over the -40°C to +85°C operating tem-
perature range is assured by design, characterization, and correlation with statistical process controls.
2. Mounted on an FR4 board.
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