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

Electrical Characteristics

SCI7631MLA

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

Parameter

Input voltage

Output voltage

Detection voltage

Detection voltage hysteresis ratio

Operating current

Standby current

Switching transistor ON resistance

Switching transistor leakage current

Backup switch ON resistance

Backup switching leakage current

RST LOW-level output current

PS pull-up current

Multiplication clock frequency

Symbol

VI1

VI2

VO

VDET

∆VDET

IDDO

IDDS

RSWON

ISWQ

RBSON

IBSQ

IOL

IIH

fCLK

Condition

VO > VI2

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 = 1.0V, VI2 = 1.5V,

IO = 1.0mA

VI1 = 1.0V, VO = 2.4V,

VI2 = 2.0V

VI1 = 0.9V, VDS = 0.2V

VI1 = 1.5V

VI1 = 1.5V

SCI7631MBA

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

Parameter

Input voltage

Output voltage

Detection voltage

Detection voltage hysteresis ratio

Operating current

Standby current

Switching transistor ON resistance

Switching transistor leakage current

Backup switch ON resistance

Backup switching leakage current

RST LOW-level output current

PS pull-up current

Multiplication clock frequency

Symbol

VI1

VI2

VO

VDET

∆VDET

IDDO

IDDS

RSWON

ISWQ

RBSON

IBSQ

IOL

IIH

fCLK

Condition

VO > VI2

Vl1 = 1.5V

VI1 = 1.5V, IO = 1.0mA

VI1 = 1.5V

VI1 = 1.5V, VO = 3.0V,

VSW = 0.2V

VI1 = 1.5V, VO = 1.5V,

VSW = 7.0V

VI1 = 1.0V, VI2 = 2.0V,

IO = 1.0mA

VI1 = 1.0V, VO = 3.0V,

VI2 = 2.0V

VI1 = 0.9V, VDS = 0.2V

VI1 = 1.5V

VI1 = 1.5V

Rating

Min. Typ. Max. Unit

0.9 — 1.8 V

0.9 — 1.8 V

2.32 2.40 2.48 V

1.00 1.05 1.10 V

—

5

—

%

—

7

35 µA

—

3

10 µA

—

7

14

Ω

—

—

0.5 µA

— 100 250 Ω

—

—

0.1 µA

0.05 0.15 — mA

—

—

0.5 µA

25 35 45 kHz

Rating

Min. Typ. Max. Unit

0.9 — 2.0 V

0.9 — 2.0 V

2.90 3.00 3.10 V

1.00 1.05 1.10 V

—

5

—

%

—

8

40 µA

—

3

10 µA

—

6

12

Ω

—

—

0.5 µA

— 70 160 Ω

—

—

0.1 µA

0.05 0.15 — mA

—

—

0.5 µA

30 40 50 kHz

SCI7000 Series

Technical Manual

EPSON

4–5

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