MB3759PF Ver la hoja de datos (PDF) - Fujitsu

Número de pieza

componentes Descripción

Fabricante

MB3759PF

Switching Regulator Controller (Switchable between push-pull and single-end functions)

Fujitsu 

MB3759

s ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

(VCC = 15 V, Ta = +25 °C)

Value

Unit

Min Typ Max

Output voltage

VREF IO = 1 mA

4.75 5.0 5.25

V

Input regulation

∆VR(IN)

7 V ≤ VCC ≤ 40 V,

Ta = +25 °C

—

2

25

mV

Load regulation

∆VR(LD)

1 mA ≤ IO ≤ 10 mA,

Ta = +25 °C

—

−1 −15

mV

Reference

section

Temperature stability

Short circuit output

current

∆VR/∆T

−20 °C ≤ Ta ≤

+ 85 °C

ISC

—

— ±200 ±750 µV/°C

15

40

—

mA

Reference lockout

voltage

—

—

— 4.3 —

V

Reference hysteresis

voltage

—

—

— 0.3 —

V

Oscillator

section

Oscillator frequency

Standard deviation

of frequency

Frequency change

with voltage

fosc

RT = 30 kΩ,

CT = 1000 pF

36

40

44

kHz

—

RT = 30 kΩ,

CT = 1000 pF

—

±3

—

%

—

7 V ≤ VCC ≤ 40 V,

Ta = +25 °C

— ±0.1 —

%

Frequency change with

temperature

∆fosc/∆T

−20 °C ≤ Ta ≤

+85 °C

— ±0.01 ±0.03 %/°C

Input bias current

ID 0 ≤ VI ≤ 5.25 V

—

−2 −10

µA

Dead-time

control section

Maximum duty cycle (Each

output)

Input

threshold

voltage

0% duty

cycle

Max. duty

cycle

— VI = 0

VDO

—

VDM

—

40

45

—

%

— 3.0 3.3

V

0

—

—

V

(Continued)

4

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