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Datasheet

Datasheet

BD6971FS

TSZ02201-0H1H0B100160-1-2

© 2012 ROHM Co., Ltd. All rights reserved.

28.JUL.2012 Rev.002

www.rohm.com

TSZ22111・15・001

●Electrical characteristics(Unless otherwise specified Ta=25°C, Vcc=12V)

Limit

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Ref.

data

Circuit current

Icc

3

5

8

mA

Fig.3

Hall input hysteresis + voltage

Vhys+

4

9

16

mV

Fig.4

Hall input hysteresis – voltage

Vhys–

–18

–13

–8

mV

Fig.4

Output voltage

Vo

-

0.6

0.9

V

Io=±200mA,

High and low side total

Fig.5 to 8

Lock detection ON time

Ton

0.3

0.5

0.7

s

Fig.9

Lock detection OFF time

Toff

3.0

5.0

7.0

s

Fig.10

FG output low voltage

Vfgl

-

0.15

0.30

V

Ifg=2mA

Fig.11, 12

FG output leak current

Ifgl

-

-

10

µA

Vfg=17V

Fig.13

OSC high voltage

Vosch

2.3

2.5

2.7

V

Fig.14

OSC low voltage

Voscl

0.8

1.0

1.2

V

Fig.14

OSC charge current

Icosc

–16

–8

–4

µA

Fig.15

OSC discharge current

Idosc

4

8

16

µA

Fig.15

Output ON duty 1

Poh1

75

80

85

%

Vth=Vref x 0.222

Output 1k

Ω, OSC=100pF

-

Output ON duty 2

Poh2

45

50

55

%

Vth=Vref x 0.294

Output 1k

Ω, OSC=100pF

-

Output ON duty 3

Poh3

15

20

25

%

Vth=Vref x 0.367

Output 1k

Ω, OSC=100pF

-

Reference voltage

Vref

5.8

6.0

6.2

V

Iref=–2mA

Fig.16, 17

Hall bias voltage 1

Vhb1

1.10

1.30

1.50

V

Ihb=–2mA

Fig.18, 19

Hall bias voltage 2

Vhb2

1.05

1.25

1.48

V

Ihb=–10mA

Fig.19

Current limit setting voltage

Vcl

280

310

340

mV

Fig.20

TH input bias current

Ith

-

-

–0.2

µA

Vth=0V

Fig.21

MIN input bias current

Imin

-

-

–0.2

µA

Vmin=0V

Fig.22

CS input bias current

Ics

-

-

–0.2

µA

Vcs=0V

Fig.23

About a current item, define the inflow current to IC as a positive notation, and the outflow current from IC as a negative notation.