BD3504FVM,BD3500FVM,BD3501FVM,BD3502FVM

Technical Note

3/16

www.rohm.com

2010.05 - Rev.A

© 2010 ROHM Co., Ltd. All rights reserved.

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Electrical characteristics (unless otherwise noted, Ta=25℃ VCC=5V Vin=3.3V Ven=3V)

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BD3500FVM/BD3501FVM/BD3502FVM

Parameter

Symbol

Standard Value

Unit

Condition

MIN

TYP

MAX

Bias Current

ICC

-

0.8

1.6

mA

Shut Down Mode Current

IST

-

0

10

µA

Ven=0V

Output Voltage 1 (BD3500FVM)

Vo1

1.782

1.800

1.818

V

Io=50mA

Output Voltage 1 (BD3501FVM)

Vo1

1.485

1.500

1.515

V

Io=50mA

Output Voltage 1 (BD3502FVM)

Vo1

1.188

1.200

1.212

V

Io=50mA

Output Voltage 2 (BD3500FVM)

Vo2

1.746

1.800

1.854

V

Vcc=4.5V to 5.5V ,Io=0 to 3A

Ta=-10℃ to 100℃(※)

Output Voltage 2 (BD3501FVM)

Vo2

1.455

1.500

1.545

V

Vcc=4.5V to 5.5V ,Io=0 to 3A

Ta=-10℃ to 100℃(※)

Output Voltage 2 (BD3502FVM)

Vo2

1.164

1.200

1.236

V

Vcc=4.5V to 5.5V ,Io=0 to 3A

Ta=-10℃ to 100℃(※)

Line Regulation

Reg.l

-

0.1

0.5

%/V VCC=4.5V to 5.5V

Load Regulation

Reg.L

-

0.5

10

mV

Io=0 to 3A

[Enable]

High Level Enable Input Voltage

Enhi

2

-

Vcc

V

Low Level Enable Input Voltage

Enlow

-0.3

-

0.8

V

Enable Pin Input Current

Ien

-

7

10

µA

Ven=3V

[NRCS]

NRCS Charge Current

Inrcs

14

20

26

µA

Vnrcs=0.5V,VCC=4.5V to 5.5V

Ta=-10℃ to 100℃ (※)

NRCS Standby Voltage

Vnrcs

-

0

50

mV

Ven=0V

[Voltage Feed Back]

VFB Input Bias Current

IFB

-

0.7

1.2

mA

Ven=3V

VFB Standby Current

FBSTB

150

-

-

mA

Ven=0V,VFB=1V

[Output MOSFET Driver]

MOSFET Driver Source Current

IGSO

0.5

1

1.5

mA

VFB=Vo-0.1V,G=Vo+1V

MOSFET Driver Sink Current

IGSI

2

3

4

mA

VFB=Vo+0.1V,G=Vo+1V

[UVLO]

VCC UVLO

VccUVLO

4.2

4.35

4.5

V

Vcc:Sweep up

VCC UVLO Hysteresis

Vcchys

100

160

220

mV

Vcc:Sweep down

VIN UVLO

VINUVLO

Vo×1.05

Vo×1.1

Vo×1.15

V

VIN:Sweep up

VIN UVLO Hysteresis

VINhys

100

160

220

mV

VIN:Sweep down

[SCP]

SCP Charge Current

Iscpch

14

20

26

µA

VSCP=0.5V,VCC=4.5V to 5.5V

Ta=-10℃ to 100℃ (※)

SCP Discharge Current

IscpDi

0.5

-

-

mA

VSCP=0.5V

SCP Threshold Voltage

Vscpth

1.2

1.3

1.4

V

Short Detect Voltage

Vscp

Vo×0.6

Vo×0.7

Vo×0.8

V

SCP Stand-by Voltage

VSTB

-

0

50

mV

(※) Design Guarantee