A7533
AiT Semiconductor Inc.
www.ait-ic.com
DC-DC CONVERTER BOOST(STEP-UP)
LOW VOLTAGE STARTUP, 1MHz, 500mA SYNCHRONOUS
ELECTRICAL CHARACTERISTICS
VIN=1.8V, VOUT=3.3V, unless otherwise specified. Typical values are at TA=25℃
Parameter
Minimum Input Voltage
Startup Voltage
Conditions
MIN
TYP
0.7
0.85
3.3
5
MAX
Unit
V
-
-
-
1.1
V
FB = OUT
FB = G
3.23
3.36
V
Output Voltage
4.90
5.10
V
FB Feedback Voltage
FB Input Current
VOUT = 2.5 to 5V
-
-
0.6
-
-
50
5
-
V
nA
V
Output Voltage Range
Quiescent Current at OUT
External divider
VFB = 0.7V
2.5
-
-
50
0.1
1.0
0.3
0.6
-
µA
µA
MHz
Ω
Shutdown Supply Current at OUT EN = G
Switching Frequency
-
1
-
-
NMOS Switch ON Resistance
PMOS Switch ON Resistance
NMOS Switch Current Limit
ISW = 100mA
ISW = 100mA
-
-
-
-
Ω
1
-
A
V
OUT = 5.5V, VSW = 0 or 5.5V,
SW Leakage Current
-
-
1
uA
EN = G
EN Input Current
-
-
-
-
-
1
0.3
-
uA
V
EN Input Low Voltage
EN Input High Voltage
0.6
V
REV2.0
- JUL 2010 RELEASED, JUN 2017 UPDATED -
- 4 -
AITSEMI [ AiT Semiconductor ]
