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| AAT3159 Datasheet, PDF (6/15 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications | |||
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ChargePumpTM
PRODUCT DATASHEET
AAT3159
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
Typical Characteristics
VIN = 3.6V; CIN = COUT = C1 = C2 = 1.0μF; TA = -40°C to +85°C, unless otherwise noted. Typical values are
TA = 25°C.
Operating Characteristics
(VIN = 3.7V; 1.5X Mode;
20mA/Channel Load; AC Coupled)
Operating Characteristics
(VIN = 3.5V; 1.5X Mode;
14mA/Channel Load; AC Coupled)
VIN
(20mV/div)
VOUT
(40mV/div)
VDX
(20mV/div)
VIN
(20mV/div)
VOUT
(40mV/div)
VDX
(20mV/div)
Time (500ns/div)
Time (500ns/div)
VIN
(20mV/div)
VOUT
(40mV/div)
VDX
(40mV/div)
Operating Characteristics
(VIN = 2.9V; 2X Mode;
20mA/Channel Load; AC Coupled)
Time (500ns/div)
VIN
(20mV/div)
VOUT
(40mV/div)
VDX
(40mV/div)
Operating Characteristics
(VIN = 2.9V; 2X Mode;
14mA/Channel Load; AC Coupled)
Time (500ns/div)
Input Ripple vs. Input Voltage
14.0
12.0
20mA/channel
10.0
14mA/channel
8.0
6.0
4.0
2.0 10mA/
channel
0.0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
6
www.analogictech.com
3159.2007.10.1.0
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