BD9528MUV-E2 datasheet(4/34 Pages) ROHM

Part #	BD9528MUV-E2

Description	Main Power Supply ICs for Note PC(Linear Regulator Integrated)

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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4 / 34 page

Technical Note

4/33

BD9528MUV

www.rohm.com

2010.03 - Rev.A

●Electrical characteristics – Continued

(unless otherwise noted, Ta=25℃ VIN=12V, CTL=OPEN, EN1=EN2=5V, FS1=FS2=51kΩ)

Parameter

Symbol

Standard Value

Unit

Condition

MIN.

TYP.

MAX.

[H

3REG block]

Ontime1

TON1

0.760

0.910

1.060

μs

Vo1=5V

Ontime2

TON2

0.470

0.620

0.770

μs

Vo2=3.3V

Maximum On time 1

TONMAX1

2.5

5

10

μs

Vo1=5V

Maximum On time 2

TONMAX2

1.65

3.3

6.6

μs

Vo2=33V

Minimum Off time

TOFFMIN

-

0.2

0.4

μs

[FET driver block]

HG higher side ON resistor

HGHON

-

3.0

6.0

Ω

HG lower side ON resistor

HGLON

-

2.0

4.0

Ω

LG higher side ON resistor

LGHON

-

2.0

4.0

Ω

LG lower side ON resistor

LGLON

-

0.5

1.0

Ω

[Over voltage protection block]

OVP threshold voltage

VOVP

0.77

(+10%)

0.84

(+20%)

0.91

(+30%)

V

OVP Hysteresis

dV_OVP

50

150

300

mV

[Short circuit protection block]

SCP threshold voltage

VSCP

0.42

(-40%)

0.49

(-30%)

0.56

(-20%)

V

Delay time

TSCP

0.4

0.75

1.5

ms

[Current limit protection block]

Offset voltage

dVSMAX

80

100

120

mV

ILIM=100k

Ω

[Power good block]

Power good low threshold

VPGTHL

0.525

(-25%)

0.595

(-15%)

0.665

(-5%)

V

Power good low voltage

VPGL

-

0.1

0.2

V

IPGOOD=1mA

Delay time

TPGOOD

0.4

0.75

1.5

ms

Power good leakage current

ILEAKPG

-2

0

2

μA

VPGOOD=5V

[Soft start block]

Charge current

ISS

1.5

2.3

3.1

μA

Standby voltage

VSS_STB

-

50

mV

[Mode control block]

MCTL Low voltage

VMCTL_L

-0.3

-

0.3

V

MCTL High voltage

VMCTL_H

2.3

-

REG1

+0.3

V

MCTL bias current

IMCTL

8

16

24

μA

MCTL=5V

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