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AAT3171 Datenblatt(Datasheet) 4 Page - Advanced Analogic Technologies

Teile-Nr. AAT3171
Beschreibung  High Current, High Efficiency Charge Pump with Auto-Timer
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Hersteller  ANALOGICTECH [Advanced Analogic Technologies]
Homepage  http://www.analogictech.com
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 4 page
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Electrical Characteristics1
CIN = 4.7µF, COUT = 2.2µF, C1 = C2 = 1.0µF; TA = -40°C to +85°C, unless otherwise noted. Typical values are
TA = 25°C, VIN = 3.6V.
Symbol
Description
Conditions
Min
Typ
Max
Units
Power Supply
VIN
Input Voltage Range
2.7
5.5
V
1X, No Load Current
300
µA
3.0
≤ VIN ≤ 5.5, 1.5X Mode,
2.0
4.0
ICC
Operating Current
No Load Current
mA
3.0
≤ VIN ≤ 5.5, 2X Mode,
3.0
6.0
No Load Current
ISHDN(MAX)
VIN Pin Shutdown Current
EN = 0
1.0
µA
IOUT(MAX)2
Maximum Output Current
VF = 3.6V
800
mA
IDX
Output Current Accuracy
Programmed for 600mA;
540
660
mA
RSET = 187kΩ
TSS
Soft-Start Time
200
µs
VRSET
RSET Pin Voltage
0.7
V
EN/SET
VEN(L)
Enable Threshold Low
VIN = 2.7V
0.4
V
VEN(H)
Enable Threshold High
VIN = 5.5V
1.4
V
TEN/SET LO
EN/SET Low Time
0.3
75
µs
TEN/SET HI
Minimum EN/SET High Time
50
ns
TEN/SET HI MAX
Maximum EN/SET High Time
75
µs
TOFF
EN/SET Off Timeout
500
µs
TLAT
EN/SET Latch Timeout
500
µs
Input Current
EN/SET Input Leakage
-1
1
µA
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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