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參數(shù)資料
| 型號(hào)： | AIC1621COTR |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | High Efficiency Synchronous Step-Up DC/DC Converter |
| 中文描述： | 高效率同步降壓型DC / DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大?。?/td> | 456K |
| 代理商： | AIC1621COTR |
AIC1620/AIC1621/AIC1622
3
n
ELECTRICAL CHARACTERISTICS
(V
BATT
=2.0V, V
OUT
=3.3V (FB=V
OUT
), R
L
=
μ
,
T
A
=25
°
C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
Minimum Input Voltage
0.7
V
Operating Voltage
1.1
4.0
V
Start-Up Voltage
R
L
=3K
(Note1)
0.8
1.1
V
Start-Up Voltage Tempco
-2
mV/
°
C
Output Voltage Range
1.8
4.0
Output Voltage
FB = V
OUT
3.17
3.3
3.43
V
AIC1620
AIC1622 (CLSEL=OUT)
300
400
Steady State Output Current
(Note 2)
FB=OUT
(
V
OUT
=3.3V) AIC1621
AIC1622 (CLSEL=GND)
150
220
mA
Reference Voltage
I
REF
= 0
1.199
1.23
1.261
V
Reference Voltage Tempco
0.024
mV/
°
C
Reference Load Regulation
I
REF
= 0 to 100
μ
A
10
30
mV
Reference Line Regulation
V
OUT
= 1.8V to 4V
5
10
mV/V
FB , LBI Input Threshold
1.199
1.23
1.261
V
Internal switch On-Resistance
I
LX
= 100mA
0.3
AIC1620,AIC1622(CLSEL = OUT)
0.6
0.8
1.0
LX Switch Current Limit
AIC1621,AIC1622(CLSEL = GND)
0.3
0.45
0.6
A
LX Leakage Current
V
LX
=0V, 4V; V
OUT
=4V
0.05
1
μ
A
Operating Current into OUT
(Note 3)
V
FB
= 1.4V , V
OUT
= 3.3V
20
35
μ
A
Shutdown Current into OUT
SHDN = GND
0.1
1
μ
A
V
OUT
= 3.3V ,I
LOAD
= 200mA
90
Efficiency
V
OUT
= 2V ,I
LOAD
= 1mA
85
%
LX Switch On-Time
V
FB
=1V , V
OUT
= 3.3V
2
4
7
μ
S
LX Switch Off-Time
V
FB
=1V , V
OUT
= 3.3V
0.6
0.9
1.3
μ
S
FB Input Current
V
FB
= 1.4V
0.03
50
nA
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