LB1940U datasheet(2/9 Pages) SANYO

Il numero della parte	LB1940U

Spiegazioni elettronici	LB1940T

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Produttore elettronici	SANYO [Sanyo Semicon Device]

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LB1940T/U

No.7232-2/9

電気的特性/Ta=25℃,VS=3V,VDD=5V

規格値

項目

記号

条件

min

typ

max

unit

待機時消費電流

ISTB

VS=VDD=6.5V

0.1

1.0

µA

[レギュレート出力回路]

VREF 出力電圧

VREF

IOL=0∼1mA

0.85

0.9

0.95

V

SVDD 出力電圧

VSVDD

IOL=10mA

4.70

4.85

V

[H ブリッジ出力回路]

VO(sat)1

VDD=5.0V,VS=2.0V

IO=200mA(PNP 側)

0.20

0.30

OUT 出力飽和電圧

(飽和時)

VO(sat)2

VDD=5.0V,VS=2.0V

IO=200mA(NPN 側)

0.10

0.15

V

IOUT1

VDD=6.0V,VC=0.2V,VS=3.5V

RL=5Ω(OUT−OUT 間),RFB=2Ω

94

100

106

OUT 出力電流

(定電流制御時)

IOUT2

VC=

Rb

Ra

Rb

+

VREF(Ra=70k

Ω,Rb=20kΩ)※

VDD=6.0V,VS=2.0V

RL=5Ω(OUT−OUT 間),RFB=1Ω

180

200

220

mA

VS 系動作消費電流

IS1

VC=

Rb

Ra

Rb

+

VREF(Ra=70k

Ω,Rb=20kΩ)※

1.5

3

mA

VDD 系動作消費電流

IDD1

VC=

Rb

Ra

Rb

+

VREF(Ra=70k

Ω,Rb=20kΩ)※

ENA1=2V

4

7

mA

VC 入力電流

IVC

VDD=6.0V,VS=2.0V,VC=1.9V

0

−1

µA

[制御入力回路]

IIH

VIH=5.5V

80

100

制御端子最大入力電流

IIL

VIL=GND

−1

0

µA

※Ra,Rb については応用回路例参照。

外形図

unit:mm

3246

[LB1940T]

3262

[LB1940U]

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