AIC1620 Datasheet, PDF (3/12 Pages) Analog Intergrations Corporation – High Efficiency Synchronous Step-Up DC/DC Converter

AIC1620/AIC1621/AIC1622
n ^{ELECTRICAL CHARACTERISTICS} (VBATT=2.0V, VOUT=3.3V (FB=VOUT), RL=∝,
TA=25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
Minimum Input Voltage
Operating Voltage
Start-Up Voltage
Start-Up Voltage Tempco
R_L=3KΩ (Note1)
Output Voltage Range
Output Voltage
Steady State Output Current
(Note 2)
Reference Voltage
FB = V_OUT
FB=OUT
AIC1620
AIC1622 (CLSEL=OUT)
(V_OUT =3.3V) AIC1621
AIC1622 (CLSEL=GND)
I_REF= 0
Reference Voltage Tempco
Reference Load Regulation
I_REF = 0 to 100 µA
Reference Line Regulation
V_OUT = 1.8V to 4V
FB , LBI Input Threshold
Internal switch On-Resistance I_LX = 100mA
LX Switch Current Limit
AIC1620,AIC1622(CLSEL = OUT)
AIC1621,AIC1622(CLSEL = GND)
LX Leakage Current
V_LX=0V, 4V; V_OUT=4V
Operating Current into OUT
(Note 3)
V_FB = 1.4V , V_OUT = 3.3V
Shutdown Current into OUT SHDN = GND
Efficiency
LX Switch On-Time
LX Switch Off-Time
FB Input Current
V_OUT= 3.3V ,I_LOAD = 200mA
V_OUT = 2V ,I_LOAD = 1mA
V_FB =1V , V_OUT = 3.3V
V_FB =1V , V_OUT = 3.3V
V_FB = 1.4V
MIN.
1.1
1.8
3.17
TYP.
0.7
0.8
-2
3.3
MAX. UNIT
V
4.0
V
1.1
V
mV/°C
4.0
3.43
V
300
400
mA
150
220
1.199
1.199
0.6
0.3
1.23
0.024
10
5
1.23
0.3
0.8
0.45
0.05
20
1.261
30
10
1.261
1.0
0.6
1
35
V
mV/°C
mV
mV/V
V
Ω
A
µA
µA
0.1
1
µA
90
%
85
2
4
7
µS
0.6
0.9
1.3
µS
0.03
50
nA
3