MB3888PFV Просмотр технического описания (PDF) - Fujitsu

Номер в каталоге

Компоненты Описание

производитель

MB3888PFV

DC/DC Converter IC for Charging Li-ion Battery

Fujitsu 

MB3888

s ELECTRICAL CHARACTERISTICS

(Ta = +25 °C, VCC = 19 V, VCC (O) = 19 V, VREF = 0 mA)

Parameter

Sym- Pin

bol No.

Conditions

Rating

Unit

Min

Typ

Max

1.

Reference

voltage

block

[REF]

Output voltage

Input stability

Load stability

Short-circuit

output current

VREF

Line

Load

Ios

Ta = +25 °C

4

Ta = −10 °C to +85 °C

4 VCC = 8 V to 25 V

4 VREF = 0 mA to −1 mA

4 VREF = 1 V

4.975

4.963





−50

5.000

5.000

3

1

−25

5.025 V

5.037 V

10 mV

10 mV

−12 mA

2.

Under

voltage

lockout

protection

circuit block

[UVLO]

Threshold

voltage

Hysteresis width

Threshold

voltage

VTLH

16

VCC = VCC (O) ,

VCC =

VTHL

16

VCC = VCC (O) ,

VCC =

VH 16 VCC = VCC (O)

VTLH 4 VREF =

VTHL 4 VREF =

6.2

6.4

6.6

V

5.2

5.4

5.6

V



1.0*



V

2.6

2.8

3.0

V

2.4

2.6

2.8

V

Hysteresis width

VH

4





0.2*



V

3.

Soft-start

block

Charge current

ICS

20



[SOFT]

−14

−10

−6

µA

4.

Triangular

waveform

oscillator

block

[OSC]

Oscillation

frequency

Frequency

temperature

stability

fOSC 18 RT = 43 kΩ

260

290

320 kHz

∆f/fdt 18 Ta = −30 °C to +85 °C



1*



%

* : Standard design value.

(Continued)

8

Share Link: