NJM2340 查看數據表（PDF） - Japan Radio Corporation

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NJM2340

HIGH PRECISION DC/DC CONVERTER CONTROL IC

Japan Radio Corporation  

NJM2340

■TIPICAL CHARACTERISTICS

Oscillation Frequency vs. Temperature

(V+=12V,RT=27kΩ,CT=220pF)

400

380

360

340

320

300

-50 -25 0 25 50 75 100 125 150

Ambient Temperature Ta (°C)

L Level Output Voltage vs. Temperaure

0.5

(V+=12V,ISINK=10mA)

0.4

0.3

0.2

0.1

0

-50 -25 0 25 50 75 100 125 150

Ambient Temperature Ta (°C)

Input Threshold Voltage vs. Temperature

(V+=12V)

2

1.6

VTH100

1.2

0.8

VTH0

0.4

0

-50 -25 0 25 50 75 100 125 150

Ambient Temperature Ta (°C)

Average Quisent Current vs. Temperature

(V+=12V,RL= ∞ ,duty·cycle=50%)

3

2.5

2

1.5

1

0.5

0

-50 -25 0 25 50 75 100 125 150

Ambient Temperature Ta (°C)

Reference Voltage 1,2 vs. Temperaure

(V+=12V)

153

1.03

152

VB1

1.02

151

1.01

150

1

149

VB2

0.99

148

0.98

147

0.97

-50 -25 0 25 50 75 100 125 150

Ambient Temperature Ta (°C)

[CAUTION]

The specifications on this databook are only

given for information , without any guarantee

as regards either mistakes or omissions. The

application circuits in this databook are

described only to show representative usages

of the product and not intended for the

guarantee or permission of any right including

the industrial rights.

-6-

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