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| AAT1265_07 Datasheet, PDF (4/13 Pages) Advanced Analogic Technologies – Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package | |||
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SwitchRegTM
PRODUCT DATASHEET
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
Description
Minimum Start-Up Voltage
Operating Input Voltage Range
VOUT
Output Voltage Accuracy
IQ
ISHDN
RDS(ON)H
RDS(ON)L
ILIMIT
IPFM
η
ÎVOUT/
VOUT
Quiescent Supply Current (Light Load
Operation)2
Shutdown Current
PMOS On-Resistance
NMOS On-Resistance
NMOS Current Limit
PFM Light Load Current Threshold
Efï¬ciency
Load Regulation
ÎVOUT/
VOUT/ÎVIN
Line Regulation
FOSC
DTYMAX
VTH(L-IN)
VTH(H-IN)
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
VIN = 2.5V to 4.2V, PWM Mode;
5.0V Version Only
Min Typ Max Units
1.0
V
0.8
VOUT
VOUT - 0.1
VOUT + 0.1
V
VOUT - 0.15
VOUT + 0.15
V
No Load
40
70
μA
EN = 0V, VIN = 5.5V
TA = 25°C
TA = 25°C
IOUT = 50mA, L = 2.2μH
1.0
750
400
1.0
20
82
ILOAD = 0 to 100mA
1.5
VIN = 0.8V to 2.5V
VIN = 2.5V to 4.2V; 5.0V Version
Only
0.2
0.16
TA = 25°C
1.8
2.0
2.2
90
0.4
1.0
μA
mΩ
mΩ
A
mA
%
%
%/V
MHz
%
V
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 correla-
tion with statistical process controls.
2. IQ = IQ_VOUT + IQ_VCC.
4
www.analogictech.com
1265.2007.12.1.4
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