BD4153FV,BD4153EFV

Technical Note

3/17

www.rohm.com

2009.05 - Rev.A

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

●

Electrical Characteristics – Continued

(unless otherwise noted, Ta=25℃ VCC=3.3V VEN=3.3V V3_IN=V3AUX_IN=3.3V,V15_IN=1.5V)

Parameter

Symbol

Standard Value

Unit

Condition

MIN

TYP

MAX

[Switch V3]

On Resistance

-

35

73

mΩ

Tj=-10～100℃ *

Discharge On Resistance

-

60

150

Ω

[Switch V3AUX]

On Resistance

-

100

210

mΩ

Tj=-10～100℃ *

Discharge On Resistance

-

60

150

Ω

[Switch V15]

On Resistance

-

42

85

mΩ

Tj=-10～100℃ *

Discharge On Resistance

-

60

150

Ω

[Soft Start]

Charge current

Ichr

1.0

2.0

3.0

μA

SS_V3 High Voltage

SS_V3high

V3+4

V3+5

V3+6

V

SS_V15 High Voltage

SS_V15high

V15+4

V15+5

V15+6

V

SS_V3AUX High Voltage

SS_AUXhigh

1.5

1.8

2.1

V

Discharge current

IDis

0.3

1.0

-

mA

Vss=1V

Low Voltage

SSLOW

-

-

50

mV

[Over Current Protection]

OC Flag V3

OCPV3_S

1.0

-

-

A

V3 Over current

OCPV3

2.0

-

-

A

OC Flag V3AUX

OCPV3AUX_S

0.25

-

-

A

V3AUX Over current

OCPV3AUX

0.50

-

-

A

OC Flag V15

OCPV15_S

0.50

-

-

A

V15 Over current

OCPV15

1.20

-

-

A

OC_Delay Charge current

1.0

2.0

3.0

μA

OC_Delay Discharge current

1.0

2.0

-

mA

VOC_DELAY=1V

OC_Delay Standby Voltage

VOCP_Delayst

-

-

50

mV

OC_Delay Threshold Voltage

VOCP_Delayth

0.6

0.7

0.8

V

OC Low Voltage

VOCP

-

0.1

0.2

V

IOC=0.5mA

OC Leak current

IOCP

-

-

1

μA

VOC=3.65V

[Under Voltage Lockout]

V3_IN UVLO OFF Voltage

VUVLOV3_IN

2.80

2.90

3.00

V

sweep up

V3_IN Hysteresis Voltage

⊿

VUVLOV3_IN

80

160

240

mV

sweep down

V3AUX_IN UVLO OFF Voltage

VUVLOV3AUX_IN

2.80

2.90

3.00

V

sweep up

V3AUX_IN Hysteresis Voltage

⊿

VUVLOV3AUX_IN

80

160

240

mV

sweep down

V15 UVLO OFF Voltage

VUVLOV15

1.25

1.30

1.35

V

sweep up

V15 Hysteresis Voltage

⊿

VUVLO15

50

100

150

mV

sweep down

VCC UVLO OFF Voltage

VUVLOVCC

2.80

2.90

3.00

V

sweep up

VCC Hysteresis Voltage

⊿

VUVLOVCC

80

160

240

mV

sweep down

* Design Guarantee