MB3800 datasheet(7/21 Pages) CYPRESS

Part #	MB3800

Description	Wide supply voltage operating range: 1.8 V to 15 V

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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7 / 21 page

MB3800

Document Number: 002-08716 Rev. *A

Page 7 of 21

(Continued)

7. Diagram

Parameter

Symbol

Condition

Value

Unit

Min

Typ

Max

Output section

Output voltage

VOH1

RB = 390 , IO = –15 mA

1.0

1.2

—

V

VOH2

RB = 750 , VCC = 1.8 V

IO = –10 mA

0.8

1.0

—

V

VOL1

RB = 390 , IO = 15 mA

—

0.1

0.2

V

VOL2

RB = 750 , VCC = 1.8 V

IO = 10 mA

—0.1

0.2

V

Output source current

IO+

RB = 390 , VO = 0.9 V

—

–30

–20

mA

Output sink current

IO–

RB = 390 , VO = 0.3 V

3060—

mA

Pull down resistance

RO

—

203040k



Output current setting

section/

Control section

Pin voltage

VBR

RB = 390 

0.2

0.3

0.4

V

Input off condition

IOFF

—–20

—

0

A

Input on condition

ION

——–45

A

Pin current range

IBR

–1.8

—

–0.1

mA

Entire device

Stand-by current

ICCS

BR/CTL pin open or VCC

——1

A

Average supply current

ICC

RB = 390 

—5.5

9.3

mA

t S

t PE

ON

OFF

FB pin voltage

Reference input for short circuit

detection comparator

Idle period setting voltage

Sawtooth wave output

Soft start setting voltage

OUT pin waveforms

SCP pin waveforms

Power supply control SW

Soft start

Output

short

circuit

Output short circuit

Short circuit

detection

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