A7116
AiT Semiconductor Inc.
www.ait-ic.com
DC-DC CONVERTER/ BUCK (STEP-DOWN)
1.5MHz, 700mA SYNCHRONOUS WITH LOW QUIESCENT CURRENT
ELECTRICAL CHARACTERISTICS
VIN=VRUN= 3.6V, TA = 25°C, unless otherwise specified.
Parameter
Input Voltage Range
Input DC Supply Current
PWM Mode
Conditions
MIN
2.5
TYP
MAX
6.5
unit
V
VFB=0.5V or VOUT=90%
VFB=0.63V
300
40
400
50
µA
µA
µA
V
Power Saving Mode
Shutdown Mode
VFB=0V, VIN=4.2V
TA= +25°C
0.1
1.0
0.5880
0.5865
0.5820
0.6000
0.6000
0.6000
0.6120
0.6135
0.6180
±30
Regulated Feedback
Voltage
TA= 0°C ≤ TA ≤ 85°C
TA= -40°C ≤ TA ≤ 85°C
VFB = 0.65V
V
V
VFB Input Bias Current
Reference Voltage Line
Regulation
nA
VIN = 2.5V to 5.5V,
0.4
0.80
%
A7116-1.2, -40°C ≤ TA ≤ 85°C
A7116-1.8, -40°C ≤ TA ≤ 85°C
A7116-3.3, -40°C ≤ TA ≤ 85°C
VIN= 2.5V to 5.5V
1.164
1.746
3.201
1.200
1.800
3.300
1.236
1.854
3.399
V
V
V
Regulated Output Voltage
(In PWM mode)
Output Voltage Line
Regulation
0.4
0.5
0.80
%
%
A
Output Voltage Load
Regulation
VIN=3V, VFB=0.5V or VOUT=90%
Duty Cycle <35%
Peak Inductor Current
0.75
1.2
1.00
1.25
Oscillator Frequency
RDS(ON) of P-CH MOSFET
RDS(ON)of N-CH MOSFET
SW Leakage
VFB=0.6V or VOUT=100%
ISW = 300mA
1.5
0.40
0.35
±0.01
1.8
0.50
0.45
±1
MHz
Ω
ISW = -300mA
Ω
VRUN = 0V, VSW = 0V or 5V, VIN = 5V
µA
RUN Threshold Low
RUN Threshold High
RUN Leakage Current
0.55
-40°C ≤ TA ≤ 85°C
V
1.5
±0.01
±1
µA
REV1.2
- JAN 2009 RELEASED, MAY 2016 UPDATED -
- 4 -
AITSEMI [ AiT Semiconductor ]
