AAT3132 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
AAT3132
Analog Technology Inc
'AAT3132' PDF : 14 Pages View PDF
AAT3132/32A
High Efficiency 1.5X Fractional Charge
Pump for White LED Applications
Typical Characteristics
Unless otherwise noted, VIN = 3.5V, CIN = COUT = C1 = C2 = 1µF, TA = 25°C.
IDIODE vs. Input Voltage
(4x20mA)
VIH and VIL vs. VIN
90
VDIODE = 3.3V VDIODE = 3.4V VDIODE = 3.5V
85
VDIODE = 3.6V
80
0.850
0.825
0.800
75
0.775
VIH
70
0.750
65
60
0.725
0.700
VIL
55
0.675
50
0.650
45
0.625
40
0.600
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Input Voltage (V)
Turn-On to Full-Scale Charge Pump
ENSET
(1V/div)
OUT
(2V/div)
VDIODE
(1V/div)
IIN
(200mA/div)
Time (50µs/div)
ENSET
(1V/div)
VDIODE
(2V/div)
IIN
(100mA/div)
Turn-Off
Time (200µs/div)
3132.2005.12.1.4
Turn-On to Full-Scale Load Switch
ENSET
(1V/div)
OUT
(2V/div)
VDIODE
(2V/div)
IIN
(100mA/div)
Time (50µs/div)
80mA Load Characteristics
VIN
OUT
VDIODE
Time (1µs/div)
5
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