S-19243H33H-E6T1U datasheet(32/74 Pages) ABLIC | AUTOMOTIVE, 105째C OPERATION, 10 V INPUT, 500 mA VOLTAGE REGULATOR WITH SOFT-START FUNCTION

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S-19243H33H-E6T1U Datasheet(PDF) 32 Page - ABLIC Inc.

Part #	S-19243H33H-E6T1U

Description	AUTOMOTIVE, 105째C OPERATION, 10 V INPUT, 500 mA VOLTAGE REGULATOR WITH SOFT-START FUNCTION

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Manufacturer	ABLIC [ABLIC Inc.]

Direct Link	https://www.ablic.com

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AUTOMOTIVE, 105°C OPERATION, 10 V INPUT, 500 mA VOLTAGE REGULATOR WITH SOFT-START FUNCTION

S-19243xxxH Series

Rev.3.2_00

32

8. 1 S-19243xxxH Series A / B / C / D type

By charging the built-in capacitor via the built-in constant current source, tSS = 1.0 ms typ. is generated.

8. 2 S-19243xxxH Series E / F / G / H type

tSS can be adjusted by the external capacitor (CSS) connected between the SSC pin and the VSS pin, and is

calculated by using the following calculation.

tSS [ms] = Soft-start coefficient

*1 [ms / nF] × CSS [nF] + tD0*2 [ms]

*1. It is determined by charging the built-in constant current (approx. 2.1

μA) to CSS.

*2. The delay time of internal capacitance.

When the CSS value is sufficiently large, the tD0 value can be disregarded. When the ON / OFF pin is set to OFF,

the electrical charge charged in CSS is discharged by the transistor of the discharge shunt circuit.

Table 30 Soft-start Coefficient [ms / nF]

Operation Temperature

Min.

Typ.

Max.

Tj =

+150°C

0.391

0.528

0.691

Tj =

+105°C

0.398

0.539

0.690

Tj =

+25°C

0.436

0.574

0.704

Tj =

−40°C

0.467

0.604

0.717

Table 31 Delay Time of Internal Capacitnace (tD0)

Operation Temperature

Min.

Typ.

Max.

Tj =

−40°C to +150°C

0.032 ms

0.047 ms

0.108 ms

Caution

The above calculation will not guarantee successful operation. Perform thorough evaluation using

the actual application including the temperature characteristics under the actual usage conditions

to determine CSS capacitance. Refer to " Condition of Application" and " Characteristics (Typical

Data)" for details.

Similar Part No. - S-19243H33H-E6T1U

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Seiko Instruments Inc	S-19243H33A-A8T1U	3Mb / 74P	FOR AUTOMOTIVE OPERATION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR WITH SOFT-START FUNCTION
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