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AAT3172 Datasheet(PDF) 4 Page - Advanced Analog Technology, Inc.

Part # AAT3172
Description  High Current LED Flash Driver Charge Pump IC
PDF  15 Pages
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Manufacturer  AAT [Advanced Analog Technology, Inc.]
Direct Link  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT3172 Datasheet(HTML) 4 Page - Advanced Analog Technology, Inc.

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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
VOUT(MAX)
Maximum Output Voltage
5.5
V
ON/OFF Standby Mode, Code
10
Address = 4, Data = 2
µA
ICC
Operating Current
1X, No Load Current
300
3.0
≤ VIN ≤ 5.5, 1.5X Mode, No Load Current
2.0
4.0
mA
3.0
≤ VIN ≤ 5.5, 2X Mode, No Load Current
3.0
6.0
ISHDN(MAX)
VIN Pin Shutdown Current
EN = 0
1.0
µA
IOUT(MAX)2
Maximum Output Current
VF = 3.6V
600
mA
I(D-Match)
Current Matching Between
VIN = 3.6V, TA = 25°C, 428mA
Outputs; High Current
Code Address = 3, Data = 2;
8
%
Code Address = 0, Data = 4
I(D-Match)
Current Matching Between
VIN = 3.6V, TA = 25°C, 100mA
Outputs; Low Current
Code Address = 3, Data =1;
8
%
Code Address = 0, Data = 1
IDX
Output Current Accuracy
TA = 25°C, Code 1, HI Scale
270
330
mA
FCLK
Clock Frequency
1
MHz
VREG
Voltage Mode Regulation
EN/SET Code Address = 6, Data = 2
4.1
4.5
4.9
V
TSS
Soft-Start Time
200
µs
EN/SET
VIL
Enable Threshold Low
VIN = 2.7V
0.4
V
VIH
Enable Threshold High
VIN = 5.5V
1.4
V
TEN/SET LO
EN/SET Low Time
0.3
60
µs
TEN/SET HI MIN
Minimum EN/SET High Time
50
ns
TEN/SET HI MAX Maximum EN/SET High Time
60
µs
TOFF
EN/SET Off Timeout
500
µs
TLAT
EN/SET Latch Timeout
500
µs
Input Current
EN/SET Input Leakage
-1
1
µA
AAT3172
High Current LED Flash Driver Charge Pump IC
4
3172.2006.05.1.5
1. The AAT3172 is guaranteed to meet performance specifications from 0°C to 70°C. Specification over the -40°C to +85°C operating
temperature range is assured by design, characterization, and correlation with statistical process controls.
2. Mounted on an FR4 board.



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