MB3775(1994) 데이터 시트보기 (PDF) - Fujitsu

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MB3775
(Rev.:1994)

Switching Regulator Controller

Fujitsu 

MB3817

s ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Pin

no.

Condition

Reference

section (Ref)

Output voltage

Output temperature

stability

Input stability

Load stability

Short circuit output

current

VREF

∆VREF/

VREF

Line

Load

IOS

16

—

16 Ta = –40°C to +85°C

16 VCC = 2.5 V to 18 V

16 IOR = 0 mA to –1 mA

16 VREF = 1 V

Under voltage

lockout

protection

section (UVLO)

Threshold voltage

Hysteresis width

Reset voltage

Threshold voltage

Soft start section

(CS)

Input standby

voltage

Charge current

Threshold voltage

Short circuit

Input standby

detection section voltage

(SCP)

Input latch voltage

Input source current

Oscillator frequency

Triangular

waveform

Frequency voltage

oscillator section stability

(OSC)

Frequency

temperature stability

VTH

VTL

VH

VR

VT0

VT100

VSTB

ICHG

VTH

VSTB

VI

II

fOSC

∆f/fdv

∆f/fdt

13 VCC =

13 VCC =

13

—

13

—

10 Duty cycle = 0 %

10 Duty cycle = 100 %

13

—

13

—

14

—

14

—

14

—

14

—

10

CT = 330 pF

RT = 6.2 kΩ

10 VCC = 3.6 V to 16 V

10 Ta = –40°C to +85°C

* : Standard design value.

Min.

1.47

—

—

—

–10

—

1.5

0.1

0.6

0.9

—

—

–1.4

0.60

—

—

–1.4

450

—

—

(VCC = 6 V, Ta = +25°C)

Value

Typ.

Unit

Max.

1.50 1.53 V

0.5*

—%

2

10 mV

2

10 mV

–5

–2 mA

2.0

2.3 V

1.8

—

V

0.2

—

V

1.0

—

V

1.0

—

V

1.4

1.5 V

50

100 mV

–1.0 –0.6 µA

0.65 0.70 V

50

100 mV

50

100 mV

–1.0 –0.6 µA

500

550 kHz

1

10 %

1*

—%

(Continued)

6

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