AAT1265 AAT, AAT1265 Datasheet - Page 4

• Manufacturer Part Number: AAT1265
• Description: Step-Up DC/DC Converter
• Manufacturer: AAT

Electrical Characteristics
V
1. The AAT1265 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
2. I
4
IN
ΔV
by design, characterization, and correlation with statistical process controls.
Q
= 1.2V, V
OUT
= I
ΔV
Symbol
R
R
V
V
Q_VOUT
D
OUT
(V
I
DS(ON)H
TH(H-IN)
V
DS(ON)L
I
F
TH(L-IN)
SHDN
I
TYMAX
LIMIT
V
PFM
OSC
OUT
I
η
OUT
Q
IN
/V
OUT
= I
*ΔV
OUT
Q_VCC
IN
= 3.3V, T
)
.
Description
Minimum Start-Up Voltage
Operating Input Voltage Range
Output Voltage Accuracy
Quiescent Supply Current
(PFM Operation)
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
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
2
1
Conditions
I
V
PWM Mode
No Load
EN = 0V, V
T
T
I
I
V
T
LOAD
OUT
LOAD
IN
A
A
IN
A
= 25°C
= 25°C
= 25°C
Low Voltage 2MHz Step-Up DC/DC
= 0.8V to 2.5V,
= 0.8V to 2.5V
= 50mA, L = 2.2µH
= 1mA
= 0 to 100mA
Converter in SC70JW Package
IN
= 5.5V
Min
0.8
3.2
1.8
1.0
Typ
750
400
1.0
3.3
1.0
1.5
0.2
2.0
40
20
82
90
A
= 25°C.
Max
V
3.4
1.0
2.2
0.4
70
OUT
1265.2006.05.1.1
Units
MHz
%/V
mΩ
mΩ
mA
µA
µA
%
%
%
V
V
A
V
V