BD9528MUV データシートの表示（PDF） - ROHM Semiconductor

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BD9528MUV

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

ROHM Semiconductor 

BD9528MUV

Technical Note

●Electrical characteristics – Continued

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

Parameter

Standard Value

Symbol

Unit

MIN.

TYP.

MAX.

[H3REG block]

Ontime1

TON1

0.760

0.910

1.060

μs

Ontime2

TON2

0.470

0.620

0.770

μs

Maximum On time 1

TONMAX1

2.5

5

10

μs

Maximum On time 2

TONMAX2 1.65

3.3

6.6

μs

Minimum Off time

TOFFMIN

-

0.2

0.4

μs

[FET driver block]

HG higher side ON resistor

HG lower side ON resistor

LG higher side ON resistor

LG lower side ON resistor

HGHON

-

HGLON

-

LGHON

-

LGLON

-

3.0

6.0

Ω

2.0

4.0

Ω

2.0

4.0

Ω

0.5

1.0

Ω

[Over voltage protection block]

OVP threshold voltage

VOVP

0.77

0.84

0.91

(+10%) (+20%) (+30%)

V

OVP Hysteresis

dV_OVP

50

150

300

mV

[Short circuit protection block]

SCP threshold voltage

Delay time

VSCP

0.42

(-40%)

0.49

(-30%)

0.56

(-20%)

V

TSCP

0.4

0.75

1.5

ms

[Current limit protection block]

Offset voltage

dVSMAX

80

100

120

mV

[Power good block]

Power good low threshold

Power good low voltage

VPGTHL

0.525

(-25%)

0.595

(-15%)

0.665

(-5%)

V

VPGL

-

0.1

0.2

V

Delay time

Power good leakage current

TPGOOD

0.4

0.75

1.5

ms

ILEAKPG

-2

0

2

μA

[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

MCTL High voltage

MCTL bias current

VMCTL_L

-0.3

VMCTL_H

2.3

IMCTL

8

-

0.3

V

-

REG1

+0.3

V

16

24

μA

Condition

Vo1=5V

Vo2=3.3V

Vo1=5V

Vo2=33V

ILIM=100kΩ

IPGOOD=1mA

VPGOOD=5V

MCTL=5V

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4/33

2010.03 - Rev.A

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