S-817A11ANB-CUA-T2 View Datasheet(PDF) - Seiko Instruments Inc

Part Name

Description

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S-817A11ANB-CUA-T2

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR

Seiko Instruments Inc 

SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR

S-817 Series

Rev.3.0_00

„ Explanation of Terms

1. Low ESR

ESR is the abbreviation for Equivalent Series Resistance.

Low ESR output capacitors (CL) can be used in the S-817 Series.

2. Output voltage (VOUT)

The accuracy of the output voltage is ±2.0% guaranteed under the specified conditions for input voltage,

which differs depending upon the product items, output current, and temperature.

Caution If the above conditions change, the output voltage value may vary and go out of the

accuracy range of the output voltage. See the electrical characteristics and

characteristics data for details.

3. Line regulations 1 and 2 (∆VOUT1, ∆VOUT2)

Indicate the input voltage dependencies of output voltage. That is, the values show how much the output

voltage changes due to a change in the input voltage with the output current remained unchanged.

4. Load regulation (∆VOUT3)

Indicates the output current dependencies of output voltage. That is, the values show how much the

output voltage changes due to a change in the output current with the input voltage remained unchanged.

5. Dropout voltage (Vdrop)

Indicates a difference between input voltage (VIN1) and output voltage when output voltage falls by 98% of

VOUT(E) by gradually decreasing the input voltage (VIN).

Vdrop = VIN1−[VOUT(E) × 0.98]

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Seiko Instruments Inc.

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