參數(shù)資料
型號: MIC2141-BM5
廠商: MICREL INC
元件分類: 穩(wěn)壓器
英文描述: Micropower Boost Converter Preliminary Information
中文描述: SWITCHING REGULATOR, 360 kHz SWITCHING FREQ-MAX, PDSO5
封裝: SOT-23, 5 PIN
文件頁數(shù): 3/16頁
文件大小: 154K
代理商: MIC2141-BM5
June 2000
3
MIC2141
MIC2141
Absolute Maximum Ratings (Note 1)
Supply Voltage (V
IN
) ...................................................+18V
Switch Voltage (V
SW
) ..................................................+24V
Feedback Voltage (F
B
)................................................+24V
Control Input Voltage (V
C
),
Note 3 ..
V
IN
200mV
V
C
4V
ESD Rating,
Note 4 ......................................................
2kV
Micrel
Operating Ratings (Note 2)
Supply Voltage (V
IN
) .................................... +2.5V to +14V
Switch Voltage (V
SW
) ...................................... +3V to +22V
Ambient Temperature (T
A
).........................
40
°
C to +85
°
C
Junction Tempgserature (T
J
) ...................
40
°
C to +125
°
C
Package Thermal Resistance
SOT-23-5 (
θ
JA
)......................................................220
°
C/W
Electrical Characteristics
V
IN
= 3.6V, V
OUT
= 5V; I
OUT
= 1mA; T
J
= 25
°
C, bold values indicate
40
°
C
T
A
+85
°
C; unless noted.
Parameter
Condition
Min
Typ
Max
Units
Input Voltage
2.5
14
V
Quiescent Current
Switch off, V
IN
= 3.6V
70
100
μ
A
Comparator Hysteresis
10
mV
Control Voltage Gain (V
OUT
/V
C
)
Controlled Output Voltage,
Note 3
2.5V
V
IN
12V, V
OUT
= 15V
V
C
= 0.8V; 2.5V
V
IN
4.2V
V
C
= 2.5V; 2.7V
V
IN
12V
V
C
= 3.4V; 3.6V
V
IN
12V
100
μ
A
I
OUT
1mA, V
OUT
= 15V
2.5V
V
IN
12V; I
OUT
1mA
I
SW
= 100mA, V
IN
= 3.6V
I
SW
= 100mA, V
IN
= 12V
6
4.85
5.0
5.15
V
14.55
15.0
15.45
V
19.4
20.0
20.6
V
Load Regulation
0.25
1
%
Line Regulation
0.05
0.2
%/V
Switch On-Resistance
4
2.5
Oscillator Frequency
300
330
360
kHz
Oscillator Duty Cycle
15
18
%
Note 1.
Note 2.
Note 3.
Note 4.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
V
C
= 4V sets V
OUT
to 24V (absolute maximum level on V
SW
); V
C
must be
V
IN
200mV.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
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