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AAT1265 Datasheet(PDF) 4 Page - Advanced Analogic Technologies

Part No. AAT1265
Description  Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package
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Maker  ANALOGICTECH [Advanced Analogic Technologies]
Homepage  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AAT1265 Datasheet(HTML) 4 Page - Advanced Analogic Technologies

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Electrical Characteristics1
VIN = 1.2V, VOUT = 3.3V, TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol
Description
Conditions
Min
Typ
Max
Units
VIN
Minimum Start-Up Voltage
ILOAD = 1mA
1.0
V
Operating Input Voltage Range
0.8
VOUT
VOUT
Output Voltage Accuracy
VIN = 0.8V to 2.5V,
3.2
3.3
3.4
V
PWM Mode
IQ
Quiescent Supply Current
No Load
40
70
µA
(PFM Operation)2
ISHDN
Shutdown Current
EN = 0V, VIN = 5.5V
1.0
µA
RDS(ON)H
PMOS On-Resistance
TA = 25°C
750
m
Ω
RDS(ON)L
NMOS On-Resistance
TA = 25°C
400
m
Ω
ILIMIT
NMOS Current Limit
1.0
A
IPFM
PFM Light Load Current Threshold
20
mA
η
Efficiency
IOUT = 50mA, L = 2.2µH
82
%
ΔVOUT/VOUT
Load Regulation
ILOAD = 0 to 100mA
1.5
%
ΔVOUT(VOUT*ΔVIN)
Line Regulation
VIN = 0.8V to 2.5V
0.2
%/V
FOSC
Switching Frequency
TA = 25°C
1.8
2.0
2.2
MHz
DTYMAX
Maximum Duty Cycle
90
%
VTH(L-IN)
Logic Input Low Threshold for EN
0.4
V
VTH(H-IN)
Logic Input High Threshold for EN
1.0
V
AAT1265
Low Voltage 2MHz Step-Up DC/DC
Converter in SC70JW Package
4
1265.2006.05.1.1
1. The AAT1265 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2. IQ = IQ_VOUT = IQ_VCC.


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