BD8179MUV 查看數據表（PDF） - ROHM Semiconductor

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BD8179MUV

5V Input Multi-channel System Power Supply IC

ROHM Semiconductor 

BD8179MUV

Technical Note

●Electrical Characteristics (Unless otherwise specified, VIN = 3.3V; VSUP = 12 V; VGON = 25 V; VGOFF = -6V; Ta = 25℃)

6. WHOLE DEVICE

Parameter

Limit

Symbol

Unit

Min.

Typ.

Max.

Conditions

[ REFERENCE BLOCK ]

Reference Voltage

VREF

1.231

1.25

1.269

V

[ OSCILLATION BLOCK ]

Oscillation Frequency

FOSC

1020

1200

1380

kHz

[ VIN UNDER VOLTAGE LOCK OUT BLOCK ]

Detect Voltage

Vuvlo

2.25

2.4

2.55

V

[ SUP OVER VOLTAGE LOCK OUT BLOCK ]

Detect Voltage

Vovp

18

19

20

V

[ SHORT CURRENT PROTECTION BLOCK ]

Fault Delay Time

Tscp

-

150

-

ms

[ DETECTOR BLOCK ]

VFB OFF Threshold Voltage

Vthfb

0.9

1.0

1.1

V

VFBP OFF Threshold Voltage Vthfbp

0.9

1.0

1.1

V

VFBN OFF Threshold Voltage Vthfpn

0.4

0.5

0.6

V

This product is not designed for protection against radio active rays.

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© 2009 ROHM Co., Ltd. All rights reserved.

3/12

2009.07 - Rev.B

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