MB39C014 查看數據表（PDF） - Cypress Semiconductor

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MB39C014

1 ch DC/DC Converter IC with PFM/PWM Synchronous Rectification

Cypress Semiconductor 

MB39C014

8. Electrical Characteristics

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

Parameter

Input current

DC/DC

converter

block

Output voltage

Input stability

Load stability

Out pin input

impedance

LX peak current

Oscillation

frequency

Rise delay time

SW NMOS FET OFF

voltage

SW PMOS FET ON

resistance

SW NMOS FET ON

resistance

LX leak current

Protection

circuit block

Over temperature

protection

(Junction Temp.)

UVLO threshold

voltage

UVLO hysteresis

width

Symbol Pin No.

Condition

IREFINM

IREFINL

IREFINH

VOUT

LINE

LOAD

ROUT

IPK

fOSC1

fOSC2

tPG

VNOFF

= VREFIN 0.833 V

= 7 VREFIN 0.15 V

= VREFIN 1.20 V

= VREFIN 0.833 V,

OUT = −100 mA

9

2.5 V ≤ VDD ≤ 5.5 V *1

− 100 mA ≥ OUT ≥ − 800 mA

OUT = 2.0 V

Output shorted to GND

1 FSEL = 0 V

FSEL = 3.7 V

3, 9

C1 = 4.7 μF, OUT = 0 A,

VOUT = 90%

—

RONP

RONN

ILEAKM

ILEAKH

TOTPH

TOTPL

VTHH

VTHL

VHYS

LX = −100 mA

1

LX = −100 mA

0 ≤ LX ≤ VDD*2

VDD = 5.5 V, 0 ≤ LX ≤ VDD*2

—

—

—

10

—

Min

−100

−100

−100

2.45

—

—

0.6

0.9

1.6

2.56

—

−40*

—

—

−1.0

−2.0

+ 120*

+ 95*

2.07

1.92

0.08

Value

Typ

0

0

0

2.50

10

10

1.0

1.2

2.0

3.20

45

−20*

0.30

0.20

—

—

+ 135*

+ 110*

2.20

2.05

0.15

Max

+ 100

+ 100

+ 100

2.55

—

—

1.5

1.7

2.4

3.84

80

0*

0.47

0.36

+ 8.0

+ 16.0

+ 155*

+ 130*

2.33

2.18

0.25

Unit

nA

nA

nA

V

mV

mV

MΩ

A

MHz

MHz

μs

mV

Ω

Ω

μA

μA

°C

°C

V

V

V

* : Standard design value

Document Number: 002-08361 Rev. *C

Page 11 of 32

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