MB39C014 datasheet(11/32 Pages) CYPRESS

номер детали	MB39C014

подробное описание детали	1 ch DC/DC Converter IC with PFM/PWM Synchronous Rectification

PDF	32 Pages

Scroll/Zoom	100%

производитель	CYPRESS [Cypress Semiconductor]

домашняя страница	http://www.cypress.com

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11 / 32 page

Document Number: 002-08361 Rev. *C

Page 11 of 32

MB39C014

8. Electrical Characteristics

(Ta

= + 25°C, VDD = 3.7 V, VOUT setting value = 2.5 V, MODE = 0 V)

* : Standard design value

Parameter

Symbol Pin No.

Condition

Value

Unit

Min

Typ

Max

DC/DC

converter

block

Input current

IREFINM

VREFIN

= 0.833 V

−100

+ 100

IREFINLVREFIN

= 0.15 V

−100

+ 100

IREFINHVREFIN

= 1.20 V

−100

+ 100

Output voltage

VOUT

VREFIN

= 0.833 V,

OUT

= −100 mA

2.45

2.50

2.55

Input stability

LINE

2.5 V

≤ VDD ≤ 5.5 V *1

—10—

Load stability

LOAD

− 100 mA ≥ OUT ≥ − 800 mA

—

Out pin input

impedance

ROUT

OUT

= 2.0 V

0.6

1.0

1.5

MΩ

LX peak current

IPK

Output shorted to GND

0.9

1.2

1.7

Oscillation

frequency

fOSC1

FSEL

= 0 V

1.6

2.0

2.4

MHz

fOSC2

FSEL

= 3.7 V

2.56

3.20

3.84

MHz

Rise delay time

tPG

3, 9

= 4.7 μF, OUT = 0 A,

VOUT

= 90%

—45

μs

SW NMOS FET OFF

voltage

VNOFF

—

−40*

−20*

SW PMOS FET ON

resistance

RONP

= −100 mA

—

0.30

0.47

Ω

SW NMOS FET ON

resistance

RONN

= −100 mA

—

0.20

0.36

Ω

LX leak current

ILEAKM0

≤ LX ≤ VDD*2

−1.0

—

+ 8.0

μA

ILEAKHVDD

= 5.5 V, 0 ≤ LX ≤ VDD*2

−2.0

—

+ 16.0

μA

Protection

circuit block

Over temperature

protection

(Junction Temp.)

TOTPH

——

+ 120*

+ 135*

+ 155*

°C

TOTPL

+ 95*

+ 110*

+ 130*

°C

UVLO threshold

voltage

VTHH

—

2.07

2.20

2.33

VTHL

1.92

2.05

2.18

UVLO hysteresis

width

VHYS

—

0.080.150.25

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