LB1941 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LB1941

Constant Current Forward/Reverse Driver IC for Digital Cameras

SANYO -> Panasonic 

LB1941T

Allowable Operating Range at Ta = 25°C

Parameter

Function-guaranteed voltage range

Constant-current set range

Input low level voltage

Input high level voltage

Symbol

VOPR

IOUT

VIL

VIH

Conditions

Set with RFG-GND resistance

IN1, IN2

IN1, IN2

Ratings

Unit

2.5 to 10

V

50 to 500

mA

–0.3 to +0.5

V

2.0 to 10

V

Electrical Characteristics at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Standby Current dissipation

[Constant-current H bridge drive circuit]

ISTB VCC = 8.5 V

—

—

1.0

µA

Output saturation voltage

VO(sat)1 VCC = 3 V, IO = 200 mA (Upper + Lower side)

—

VO(sat)2 VCC = 4 V, IO = 400 mA (Upper + Lower side)

—

Output constant current

IOUT VCC = 4 V, RL = 3 Ω, RF = 0.5 Ω

375

Temperature dependence of output constant

current (reference Ta = 25°C)

∆IO

VCC = 4 V, RL = 3 Ω, RF = 0.5 Ω*

(Ta = –10 to +60°C)

–2

Operating current dissipation

ICC VCC = 4 V, RL = 0 Ω (No load, full drive)

—

Thermal protection operating temperature

TSD *

150

0.20

0.50

400

—

14

180

0.35

V

0.70

424 mA

+2

%

21 mA

210

°C

[Control input circuit]

Control pin maximum input current

IIH

VIH = 5.5 V, VCC = 5.5 V

IIL

VIL = GND

—

80

100

µA

–1

—

0

Note*: Design guarantee: Characteristics shown here are design targets and measurement with independent unit is not made before shipment.

Pd max — Ta

500

Specified board

400

300

200

192

100

Mounted on a board:

114.3 × 76.1 × 1.6mm3 glass epoxy resin

0

--20

0

20

40

60

Ambient temperature, Ta — °C

80

100

ILB01541

No. 7193-2/4

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