7450 データシートの表示（PDF） - Holtek Semiconductor

部品番号

コンポーネント説明

メーカー

7450

Negative Voltage Regulator

Holtek Semiconductor 

Block Diagram

VIN

ref

GND

Pin Assignment

TO-92

SOT-89

HT74XX Front View

HT74XX

VOUT

VOUT GND VIN

GND VIN VOUT

Bottom View

Pad Assignment

(0 ,0 )

1

2

3

Pad Coordinates

Pad No.

1

2

3

X

-571.75

175.75

592.25

Unit: mm

Y

-578.00

-545.50

-545.50

Chip size: 1550 ´ 1562 (mm)2

* The IC substrate should be connected to VDD in the PCB layout artwork.

Absolute Maximum Ratings

Supply Voltage.............................+0.3V to -26V

Power Consumption.............................. 250mW

Storage Temperature.................-50°C to 125°C

Operating Temperature ..................0°C to 70°C

Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi-

mum Ratings² may cause substantial damage to the device. Functional operation of this device

at other conditions beyond those listed in the specification is not implied and prolonged expo-

sure to extreme conditions may affect device reliability.

2

January 26, 2000

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