MB39A113 데이터 시트보기 (PDF) - Fujitsu

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MB39A113

DC/DC Converter IC for Charging Li-ion Battery

Fujitsu 

MB39A113

s ELECTRICAL CHARACTERISTICS

Parameter

Sym-

bol

Reference

Voltage Block

[REF]

Output voltage

Input stability

Load stability

Short-circuit output

current

VREF1

VREF2

Line

Load

Ios

Under-

VTLH

Voltage (VCC) Threshold voltage

Lockout

Protection

VTHL

Circuit Block

[UVLO]

Hysteresis width

VH

Soft-start Block

[SOFT]

Triangular Wave

Oscillator Block

[OSC]

Charge current

Oscillation frequency

Frequency

temperature

stability

ICS

fosc

∆f/fdt

Input offset voltage

VIO

Input bias current

Error Amplifier

Block

[Error Amp1,

Error Amp2]

Voltage gain

Frequency

bandwidth

Output voltage

Output source

current

Output sink current

* : Standard design value

IB

AV

BW

VFBH

VFBL

ISOURCE

ISINK

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

Pin

No.

Conditions

Value

Unit

Min Typ Max

6 Ta = +25 °C

4.975 5.000 5.025 V

6 Ta = −10 °C to +85 °C 4.963 5.000 5.037 V

6 VCC = 8 V to 25 V



3

10 mV

6 VREF = 0 mA to −1 mA 

1

10 mV

6 VREF = 1 V

−50 −25 −12 mA

6 VREF =

6 VREF =

6



2.6 2.8 3.0 V

2.4 2.6 2.8 V

 0.2*  V

22



20 RT = 47 kΩ

−14 −10 −6 µA

270 300 330 kHz

20 Ta = −30 °C to + 85 °C 

1*

%

3, 4,

8, 9

FB12 = 2 V

3, 4,

8, 9



7 DC

7 AV = 0 dB

7



7



7 FB12 = 2 V

7 FB12 = 2 V



1

5 mV

−100 −30

 100*

 1.3*

4.8 5.0

 0.8

 −120

2.0 4.0

 nA

 dB

 MHz

V

0.9 V

−60 µA

 mA

(Continued)

7

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