SANYO LB11988 Datasheet

Ordering number :ENN6211

N0999RM (OT) No. 6211-1/6

Functions

• Three-phase full-wave current linear drive

• Built-in current limiter circuit

• Built-in saturation prevention circuits in both the upper
and lower sides of the output stage.

• FG amplifier

• Thermal shutdown circuit

Package Dimensions

unit: mm

3007A-DIP18

1

9

18

10

24.2

1.94 2.54

1.20.5

3.25

3.3

3.85max

0.25

7.62

6.4

SANYO: DIP18

[LB11988]

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

Monolithic Digital IC

LB11988

Refrigerator Fan Motor Driver

Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.

Parameter Symbol Conditions Ratings Unit

Maximum supply voltage

V

CC

max 24 V

V

S

max 24 V

Maximum output current I

O max

1.3 A
Allowable power dissipation Pdmax Independent IC 1.13 W
Operating temperature Topr –30 to +75 °C
Storage temperature Tstg –55 to +150 °C

Specifications

Absolute Maximum Ratings at Ta = 25°C

Parameter Symbol Conditions Ratings Unit

Supply voltage

V

S

5 to 22

V

V

CC

7 to 22

Hall input amplitude V

HALL

Between Hall inputs ±30 to ±80 mV 0-P

Allowable Operating Ranges at Ta = 25°C

No. 6211-2/6

LB11988

Electrical Characteristics at Ta = 25°C, VCC= 12 V, VS = 12 V

Parameter Symbol Conditions

Ratings

Unit

min typ max

V

CC

current drain I

CC

RL= 560 Ω (Y) 15 24 mA

[Output]

V

Osat

1

I

O

= 500 mA, Rf = 0.5 Ω, Sink + Source

2.1 2.6 V

Output saturation voltage

(Saturation prevention function included)

V

Osat

2

I

O

= 1.0 A, Rf = 0 Ω, Sink + Source

2.6 3.5 V

(Saturation prevention function included)

Output leakage current I

Oleak

1.0 mA

[Hall Amplifier]

Input offset voltage V

off

(HALL) –6 +6 mV

Input bias current I

b

(HALL) VIN, W

IN

13µA

Common-mode input voltage V

cm

(HALL) 3 V

CC

– 3 V

[FR]

Threshold voltage V

FRTH

48V

Input bias current Ib(FR) –5 µA

[Current Limiter]

LIM pin current limit level I

LIM

Rf = 0.5 Ω,

1A

With the Hall input logic states fixed (U, V, W = high, high, low)

[Saturation]

Saturation prevention circuit

V

Osat

(DET)

R

L

= 560 Ω (Y), Rf = 0.5 Ω,

0.28 V

lower side voltage setting The voltage between each lower output and the corresponding Rf.

[FG Amplifier]

Upper side output saturation voltage

V

satu

(SH) 11.8 V

Lower side output saturation voltage

V

satd

(SH) 0.3 V
Hysteresis Vhys 23 mV
TSD operating temperature T-TSD Design target value* 170 °C

Note *: Items shown to be design target values in the conditions column are not measured.

Pin Assignment

14

12

10

11

13

9

1

2

3

4

5

6

7

8

NC

W

OUT

LB11988

15

16

17

18

FGOUT

FR

GND

FC

U

IN+

U

IN–

V

IN+

VIN–

W

IN+

W

IN–

V

CC

VS

RF

NC

U

OUT

VOUT

Top view