MB3821PFV(SSOP)

更新时间： 2024-01-13 00:01:56

品牌	Logo	应用领域
富士通 - FUJITSU		转换器
页数	文件大小	规格书
24页	260K
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数据手册

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MB3821PFV(SSOP) 数据手册

MB3821

(Continued)

(V^CC= 16 V, SEL =0 V, Ta = +25°C)

Value

Unit

No.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Threshold voltage

V^TH

6,19 FB = 1.6 V

1.235

1.260

1.285

∆V^T

/V^T

V^Ttemperature stability

6,19 Ta = –30°C to +85°C

—

0.5*

—

Input bias current

Voltage gain

I^B

5,20 −IN = 0 V

6,19 DC

–200

–50

100

—

A^V

Frequency bandwidth

6,19 A^V= 0 dB

—

800*

kHz

V^REF–

0.3

V^OH

6,19

—

Output voltage

V^OL

I^SOURCE

I^SINK

6,19

—

0.8

–90

6.0

1.0

–45

—

Output source current

Output sink current

6,19 FB = 1.6 V

µA

1.5

V^TL

V^TH

Duty cycle = 0 %

Duty cycle = Dtr

1.2

—

1.3

1.9

—

8,11

14,17

Threshold voltage

2.0

SEL = 0 V

SEL = 5 V

8,11, C^T= 500 pF

14,17 R^T= 10 kΩ

Maximum duty cycle

Dtr

—

CB –

1.4

CB –

1.1

V^OH

V^OL

V^OH

8,17

I^O= –30 mA

I^O= 30 mA

Output voltage

(Main side)

VS = 16 V

CB = 22 V

VS +

1.1

VS +

1.4

8,17

—

VB –

1.4

VB –

1.1

11,14 I^O= –30 mA

—

Output voltage

(Synchronous rectifier side)

V^OL

V^DIODE

V^IH

11,14 I^O= 30 mA

13 I^O= 10 mA

—

0.1

1.0

—

0.5

1.1

—

Diode voltage

18 IC active mode

18 IC standby mode

2.0

—

CTL input voltage

V^IL

—

1.0

Input current

I^CTL

I^CCS

18 CTL = 5 V

23 CTL = 0 V

—

µA

Standby current

SEL = 0 V

—

5.2

1.0

7.8

1.5

(Normal mode)

Power supply current

I^CC

SEL = 5 V

(Low power mode)

*: Standard design value.

1...4 5 678 9 10...24

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