參數(shù)資料
型號: M62291
廠商: Mitsubishi Electric Corporation
元件分類: DC/DC變換器
英文描述: 5-PIN SOT-23 5.0V SYSTEM FIXED OUTPUT VOLTAGE DC-DC CONVERTER
中文描述: 5引腳SOT - 23 5.0V固定輸出電壓系統(tǒng)的DC - DC變換器
文件頁數(shù): 3/3頁
文件大?。?/td> 16K
代理商: M62291
( 3 / )
1. Application Circuit (5.0V Output DC-DC Converter; M62291GP)
R
CLM
Current Limit Detction:
When the voltage drop between 4pin and 5pin becomes 140mV or more,
Current Limit Detection circuit starts to operate. In the example of application
(fig.1), the current is limited to 1.5A.
2
1
3
4
Vcc
5
IN
CLM
Collector
GND
+
+
M62291
V
IN
(12V)
V
OUT
(5.0V,1A)
100μF
100μF
0.09ohm
1Kohm
1Kohm
150μH
Fig.1 Example of application circuit of M62270GP
2. THE EXPRESSION OF CIRCUIT CONSTANTS
VF
Vsat : Output saturation voltage of an external switching transistor.
Io :Set to 1/3 to 1/5 of maximum output current
Choose an external transistor, diode and inductor with peak current rating
greater than "Ipk".
: Forward voltage drop of an external diode.
CONSTANTS
T
ON
T
OFF
(T
ON
+T
OFF
)
MAX
T
OFF(MIN)
T
ON(MAX)
L
(MIN)
V
O
+V
F
V
IN
- V
CE(sat)
- V
O
1
fosc- T
OFF
I
o
( V
IN
- V
CE(sat)
- V
O
) T
ON(MAX)
1
fosc
fosc:110KHz(Vcc=5V)
EXPRESSIONS
Ipk
R
CLM
( T
ON
+ T
OFF
) /
T
ON
T
OFF
1 +
(
)
Io +1
2
Io
0.15
Ipk
V
CLM
:150mV(Vcc=5V)
M62291GP
MITSUBISHI <Standard Linear IC>
5-PIN SOT-23 5.0V SYSTEM FIXED OUTPUT VOLTAGE DC-DC CONVERTER
Jan. 2000
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M62291GP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:5-Pin SOT-23 5.0 V System Fixed Output Voltage DC/DC Converter
M62291GP#CF0J 制造商:Renesas Electronics Corporation 功能描述:
M62292FP 制造商:Renesas Electronics Corporation 功能描述:
M62292FP_07 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:3.3 V, 1.8 V Fixed 2-Output Voltage DC/DC Converter
M62293 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:3.3V, 2.5V FIXED 2-OUTPUT VOLTAGE DC-DC CONVERTER