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參數(shù)資料
| 型號： | MB3821PFV |
| 廠商： | FUJITSU LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2-ch DC/DC Converter IC With Synchronous Rectifier |
| 中文描述： | 0.5 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 273K |
| 代理商： | MB3821PFV |
3
MB3821
I
PIN DESCRIPTION
Pin No.
Symbol
I/O
Descriptions
1
CT
—
Triangular wave oscillator frequency setting capacitance connection pin.
2
RT
—
Triangular wave oscillator frequency setting resistance connection pin.
3
GND
—
Ground pin.
4
CS1
—
Capacitor connection pin for Channel 1 soft start (also channel control).
5
–IN1
I
Channel 1 error amplifier inverted input pin.
6
FB1
O
Channel 1 error amplifier output pin
7
SEL
I
Mode select pin. Set the SEL pin to “H” level to switch the IC to low power mode.
8
OUT1-1
I
Totem pole type output pin (external main side FET gate drive).
9
VS1
—
Channel 1 external main side FET source connection pin.
10
CB1
—
Channel 1 boot capacitance connection pin.
11
OUT2-1
O
Channel 1 totem pole output pin (external main side FET gate drive).
12
GND(0)
—
Ground pin for output circuit.
13
VB
—
Power supply pin for output circuit.
14
OUT2-2
O
Channel 2 totem pole output pin (external synchronous rectifier side FET gate
drive).
15
CB2
—
Channel 2 boot capacitance connection pin.
16
VS2
—
Channel 2 external main side FET source connection pin.
17
OUT1-2
O
Channel 2 totem pole output pin (external main side FET gate drive).
18
CTL
I
Power supply control pin. Set CTL pin to “L” to switch the IC to standby mode.
19
FB2
O
Channel 2 error amplifier output pin.
20
–IN2
I
Channel 2 error amplifier inverted input pin.
21
CS2
—
Channel 2 soft start capacitance connection pin(also channel control).
22
CSCP
—
Timer-latch short circuit protection capacitance connection pin.
23
V
CC
—
Reference power supply, control circuit power supply pin.
24
V
REF
O
Reference voltage output pin.
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相關(guān)代理商/技術(shù)參數(shù) |
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| MB3821PFV-G-BND(E1) | 制造商:Fujitsu 功能描述: |
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| MB3825APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3827 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down |
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