NTCG103EH400H データシートの表示（PDF） - TDK Corporation

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NTCG103EH400H

NTC Thermistors SMD

TDK Corporation 

CIRCUIT EXAMPLES

1. CELLULAR PHONE

1.1 LCD, Adjustment of

contrast

(13/13)

1.1 LCD

1.2 TCXO

1.3 Power amp

module

1.4 Temperature

monitor

1.2 TCXO, Frequency compensation of crystal

20

No compensation

Low temp.

NTC

High temp.

NTC

0

compensation

–20

–20

25

80

Temperature(˚C)

1.3 Power amp. module,

Control of voltage

1.4 Temperature monitor

Battery monitor

2. HARD DISK DRIVE

Chip NTC thermistor

NTCG1005, 1608 types

Resistance tolerance: ±3 to ±5%/B constant tolerance: ±2 to ±3%

Spindle motor

Swing arm

Actuator

Track

Disk

Magnetic head

Temperature sensor IC

NTC thermistor

(Cost: about 50% down)

IC

8bit

R1

8bit R1:10kΩ±5%

R2

R2:10kΩ±5%

NTC R25:10kΩ±5%

B25/85:4100K±3%

Voltage vs. temperature characteristics

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

–50

Vmax.

Vnom.

Vmin.

0 +50 +100 +150

Temperature(˚C)

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0–50

Vmax.

Vnom.

Vmin.

0 +50 +100 +150

Temperature(˚C)

3. BATTERY PACK

Li-ion

Ni-MH

Control circuit for quick charge battery

LM317

Battery

• All specifications are subject to change without notice.

010-01 / 20090528 / eb221_ntcg.fm

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