AAT3171 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
Manufacturer
AAT3171 Datasheet PDF : 19 Pages
| |||
AAT3171
High Current, High Efficiency
Charge Pump with Auto-Timer
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
Power Supply
VIN
ICC
ISHDN(MAX)
IOUT(MAX)2
IDX
TSS
VRSET
EN/SET
VEN(L)
VEN(H)
TEN/SET LO
TEN/SET HI
TEN/SET HI MAX
TOFF
TLAT
Input Current
Description
Conditions
Input Voltage Range
Operating Current
VIN Pin Shutdown Current
Maximum Output Current
Output Current Accuracy
Soft-Start Time
RSET Pin Voltage
1X, No Load Current
3.0 ≤ VIN ≤ 5.5, 1.5X Mode,
No Load Current
3.0 ≤ VIN ≤ 5.5, 2X Mode,
No Load Current
EN = 0
VF = 3.6V
Programmed for 600mA;
RSET = 187kΩ
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
VIN = 2.7V
VIN = 5.5V
Min Typ Max Units
2.7
5.5
V
300
µA
2.0 4.0
mA
3.0 6.0
1.0
µA
800
mA
540
660
mA
200
µs
0.7
V
0.4
V
1.4
V
0.3
75
µs
50
ns
75
µs
500
µs
500
µs
-1
1
µA
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.
4
3171.2007.03.1.1
Share Link: 