SCI7631MKA Просмотр технического описания (PDF) - Seiko Epson Corp

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производитель

SCI7631MKA

POWER SUPPLY IC - DC/DC Switching Regulators

Seiko Epson Corp 

SCI7630 Series

SCI7638MHA

VSS = 0V, Ta = 25 ˚C unless otherwise noted

Parameter

Input voltage

Output voltage

Output voltage temperature gradient

Detection voltage

Detection voltage hysteresis ratio

Operating current

Standby current

Switching transistor ON resistance

Switching transistor leakage current

RST LOW-level output current

PS pull-up current

Multiplication clock frequency

Symbol

VI1

VO

Kt

VDET

∆VDET

IDDO

IDDS

RSWON

ISWQ

IOL

IIH

fCLK

Condition

Vl1 = 1.5V

VI1 = 1.5V, IO = 1.0mA

VI1 = 1.5V

VI1 = 1.5V, VO = 2.2V,

VSW = 0.2V

VI1 = 1.5V, VO = 1.5V,

VSW = 7.0V

VI1 = 0.9V, VOL = 0.2V

VI1 = 1.5V

VI1 = 1.5V

Rating

Min. Typ. Max. Unit

0.9 — 2.0 V

2.10 2.20 2.30 V

–5.5 –4.5 –3.5 mV/˚C

1.00 1.05 1.10 V

—

5

—

%

—

7

35 µA

—

3

10 µA

—

7

14

Ω

—

—

0.5 µA

0.05 0.15 — mA

—

—

0.5 µA

25 35 45 kHz

SCI7638MLA

VSS = 0V, Ta = 25 ˚C unless otherwise noted

Parameter

Input voltage

Output voltage

Output voltage temperature gradient

Detection voltage

Detection voltage hysteresis ratio

Operating current

Standby current

Switching transistor ON resistance

Switching transistor leakage current

RST LOW-level output current

PS pull-up current

Multiplication clock frequency

Symbol

VI1

VO

Kt

VDET

∆VDET

IDDO

IDDS

RSWON

ISWQ

IOL

IIH

fCLK

Condition

Vl1 = 1.5V

VI1 = 1.5V, IO = 1.0mA

VI1 = 1.5V

VI1 = 1.5V, VO = 2.4V,

VSW = 0.2V

VI1 = 1.5V, VO = 1.5V,

VSW = 7.0V

VI1 = 0.9V, VOL = 0.2V

VI1 = 1.5V

VI1 = 1.5V

Rating

Mmin. Typ.

0.9 —

2.30 2.40

–5.5 –4.0

1.00 1.05

—

5

—

7

—

3

Max.

2.0

2.50

–3.5

1.10

—

35

10

Unit

V

V

mV/˚C

V

%

µA

µA

—

7

14

Ω

—

—

0.5 µA

0.05 0.15 — mA

—

—

0.5 µA

25 35 45 kHz

SCI7000 Series

Technical Manual

EPSON

4–7

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