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參數(shù)資料
| 型號： | MB3828PFV-G-BND |
| 廠商： | FUJITSU LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | BOX, POLYCARBONATE IP67 CLEAR LIDBOX, POLYCARBONATE IP67 CLEAR LID; Length / Height, external:65mm; Width, external:230mm; Depth, external:80mm; Material:Polycarbonate; Colour:Grey; Approval Bodies:GL, CSA, Fimko, Gost R, EN 50298 |
| 中文描述： | 0.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 18/26頁 |
| 文件大?。?/td> | 245K |
| 代理商： | MB3828PFV-G-BND |
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18
MB3828
I
CTL LOGIC CIRCUIT OPERATION TIMING CHART
I
DC/DC CONVERTER INPUT VOLTAGE (Vin) AND VB VOLTAGE SETTING
The voltage at the CB pin is bootstrapped from the VS pin voltage by an amount equivalent to the VB pin voltage,
as a result of the bootstrap capacitance (C
B
) between the CB pin and VS pin. Therefore, either the Vin voltage
or VB pin voltage should be adjusted so that the sum of the DC/DC converter block input voltage Vin plus the
VB pin voltage does not exceed the recommended operating conditions for the CB pin boot voltage (V
CB
).
CTL signal
ENB signal
V
REF
output voltage
CS pin voltage
DC/DC
output voltage
0.05 V
ts
toff
13
10
8
9
11
12
DC/DC converter block
VB
CB
OUT1
VS
C
B
V
O
Vin
VB
OUT2
P
GND
Drive
1
Drive
2
1
*
2
*
2
*
*1: To connect the external low VF diode (Schottky barrier diode) makes VB pin voltage drop reduced
and then can perform the higher efficiency.
*2: The switching noise can be reduced (0
to 5
) by connecting the resistance when the external
MOSFET gate input capacitance (Ciss) is large, caused by the external MOSFET gate drive
current limiting resistance.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB3829 | System Power Supply IC for Mobile Telephone |
| MB3829PFV-G-BND | BOX, PC, GY, 130X80X100BOX, PC, GY, 130X80X100; Length / Height, external:130mm; Width, external:80mm; Depth, external:100mm; Material:Polycarbonate; Colour:Grey; Approval category:EN 60529; IP rating:66/67; No. of holes:4; RAL |
| MB3832A | ECONOLINE: REC5-S_DRW(Z)/H4,H6 - Safety standards and approval: EN 60950 certified, rated for 250VAV (LVD test report)- Applied for Ul 1950 Component Recognised Certification- 5W DIP Package- 4kVDC & 6kVDC Isolation- Regulated Output- Continuous Short Circiut Protection Auto-Restarting |
| MB3832APFV | DC/DC Converter IC for Charging |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB3829 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:System Power Supply IC for Mobile Telephone |
| MB3829PFV-G-BND | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:System Power Supply IC for Mobile Telephone |
| MB3832A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:DC/DC Converter IC for Charging |
| MB3832A_03 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:DC/DC Converter IC for Charging |
| MB3832APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:DC/DC Converter IC for Charging |
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