A7506
AiT Semiconductor Inc.
www.ait-ic.com
DC-DC CONVERTER BOOST(STEP-UP)
1.2MHz CONSTANT FREQUENCY SYNCHRONUS
ELECTRICAL CHARACTERISTICS
VIN =1.2V, VOUT=3.3V, TA = 25°C, Test Circuit of Fig 1., unless otherwise specified.
Parameter
Conditions
Min.
Typ.
0.85
0.5
Max.
1
Unit
V
Minimum Start-Up Voltage
Minimum Operating Voltage
Output Voltage Range
Feedback Voltage
IOUT = 1mA
VSHDN = VIN
0.65
5
V
2.5
V
–40oC ≤TA≤ 85oC
VSHDN = 0V
1.192 1.230 1.268
V
Quiescent Current(Shutdown)
Quiescent Current(Active)
NMOS Switch Leakage
PMOS Switch Leakage
0.01
300
0.1
1
500
5
µA
µA
µA
µA
Ω
Measured on VOUT
VSW = 5V
VSW = 0V
0.1
5
V
OUT = 3.3V
VOUT = 5V
OUT = 3.3V
VOUT = 5V
OUT = 3.3V, IOUT = 1mA
0.40
0.35
0.70
0.60
NMOS Switch ON Resistance
PMOS Switch ON Resistance
Output Voltage
Ω
V
Ω
Ω
V
3.201 3.300 3.399
V
VOUT = 5V , IOUT = 1mA, VIN = 2.4V
VIN = 0.8V to 3.0V, IOUT = 10mA
IOUT = 1mA to 100mA
4.850 5.000 5.150
V
Line Regulation
1
%/V
%/mA
mA
ns
%
Load Regulation
0.02
NMOS Current Limit
Current Limit Delay to Output
Max Duty Cycle
600
850
40
VFB = 1.15V, –40oC ≤TA≤ 85oC
–40oC ≤TA ≤85oC
80
85
Switching Frequency
SHDN Input Threshold
SHDN Input Current
0.85
0.35
1.2
1.5
1.50
1
MHz
V
0.60
0.01
VSHDN = 5.5V
µA
REV1.1
- APR 2009 RELEASED, MAY 2017 UPDATED -
- 4 -
AITSEMI [ AiT Semiconductor ]
