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| AAT1265_0606 Datasheet, PDF (4/13 Pages) Advanced Analogic Technologies – Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package | |||
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AAT1265
Low Voltage 2MHz Step-Up DC/DC
Converter in SC70JW Package
Electrical Characteristics1
VIN = 1.2V, TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol
VIN
VOUT
IQ
ISHDN
RDS(ON)H
RDS(ON)L
ILIMIT
IPFM
η
ÎVOUT/VOUT
ÎVOUT/VOUT/ÎVIN
FOSC
DTYMAX
VTH(L-IN)
VTH(H-IN)
Description
Minimum Start-Up Voltage
Operating Input Voltage Range
Output Voltage Accuracy
Quiescent Supply Current
(PFM Operation)2
Shutdown Current
PMOS On-Resistance
NMOS On-Resistance
NMOS Current Limit
PFM Light Load Current Threshold
Efficiency
Load Regulation
Line Regulation
Switching Frequency
Maximum Duty Cycle
Logic Input Low Threshold for EN
Logic Input High Threshold for EN
Conditions
ILOAD = 1mA
VIN = 0.8V to 2.5V,
PWM Mode
No Load
EN = 0V, VIN = 5.5V
TA = 25°C
TA = 25°C
IOUT = 50mA, L = 2.2µH
ILOAD = 0 to 100mA
VIN = 0.8V to 2.5V
TA = 25°C
Min Typ Max Units
1.0
0.8
VOUT
V
VOUT -
0.1
VOUT +
0.1
V
40
70
µA
1.0
µA
750
mΩ
400
mΩ
1.0
A
20
mA
82
%
1.5
%
0.2
%/V
1.8 2.0 2.2 MHz
90
%
0.4
V
1.0
V
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.
4
1265.2006.06.1.2
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