BD9109FVM 데이터 시트보기 (PDF) - ROHM Semiconductor

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BD9109FVM

Synchronous Buck Converter Integrated FET

ROHM Semiconductor 

BD9106FVM BD9107FVM BD9109FVM BD9110NV BD9120HFN

Datasheet

◎BD9110NV (Ta=25℃, VCC=PVCC=5V, EN=VCC, R1=10kΩ,R2=5kΩ unless otherwise specified.)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Standby current

ISTB

-

0

10

μA

Bias current

ICC

-

250

350

μA

EN Low voltage

VENL

-

GND

0.8

V

EN High voltage

VENH

2.0

VCC

-

V

EN input current

IEN

-

1

10

μA

Oscillation frequency

FOSC

0.8

1

1.2

MHz

Pch FET ON resistance *9

RONP

-

200

320

mΩ

Nch FET ON resistance *9

RONN

-

150

270

mΩ

ADJ Voltage

Output voltage

VADJ

0.780

0.800

0.820

V

*9

VOUT

-

1.200

-

V

ITH SInk current

ITHSI

10

20

-

μA

ITH Source Current

ITHSO

10

20

-

μA

UVLO threshold voltage

VUVLOTh

3.5

3.7

3.9

V

UVLO hysteresis voltage

VUVLOHys

50

100

200

mV

Soft start time

TSS

2.5

5

10

ms

Timer latch time

TLATCH

0.5

1

2

ms

*9 Outgoing inspection is not done on all products

Conditions

EN=GND

Standby mode

Active mode

VEN=5V

PVCC=5V

PVCC=5V

VOUT =H

VOUT =L

VCC=H→L

◎BD9120HFN (Ta=25℃, VCC=PVCC=3.3V, EN=VCC, R1=20kΩ, R2=10kΩ unless otherwise specified.)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Standby current

ISTB

-

0

10

μA

EN=GND

Bias current

ICC

-

200

400

μA

EN Low voltage

VENL

-

GND

0.8

V

Standby mode

EN High voltage

VENH

2.0

VCC

-

V

Active mode

EN input current

IEN

-

1

10

μA

VEN=3.3V

Oscillation frequency

FOSC

0.8

1

1.2

MHz

Pch FET ON resistance *9

RONP

-

0.35

0.60

Ω

PVCC=3.3V

Nch FET ON resistance *9

RONN

-

0.25

0.50

Ω

PVCC=3.3V

ADJ Voltage

Output voltage

VADJ

0.780

0.800

0.820

V

*9

VOUT

-

1.200

-

V

ITH SInk current

ITHSI

10

20

-

μA

VOUT =H

ITH Source Current

UVLO threshold voltage

UVLO hysteresis voltage

ITHSO

VUVLO1

VUVLO2

10

2.400

2.425

20

2.500

2.550

-

2.600

2.700

μA

VOUT =L

V

VCC=H→L

V

VCC=L→H

Soft start time

TSS

0.5

1

2

ms

Timer latch time

TLATCH

1

2

3

ms

SCP/TSD operated

Output Short circuit

Threshold Voltage

VSCP

-

VOUT×0.5 VOUT×0.7

V

VOUT =H→L

*9 Outgoing inspection is not done on all products

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02.MAR.2012 Rev.001

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