MB3789 データシートの表示（PDF） - Fujitsu

部品番号

コンポーネント説明

メーカー

MB3789

Switching Regulator Controller

Fujitsu 

MB3789

(Continued)

Parameter

Symbol

Condition

Error

amplifier

Input offset voltage

Input offset current

Input bias current

Common mode

input voltage range

Common mode

rejection ratio

Voltage gain

Frequency

bandwidth

Maximum output

voltage range

Output sink current

Output source

current

Dead time

control block

Threshold voltage

ON duty cycle

Input bias current

PWM

comparator

block

Threshold voltage

Input sink current

Input source current

Output block Output voltage

General

Power supply

current when output

off

* : Standard design value

VIO

IIO

IB

VCM

CMRR

AV

BW

VOM+

VOM–

IOM+

IOM–

VT0

VT100

Dtr

IIbdt

VT0

VT100

IIN+

IIN–

VOH

VOL

ICC1

ICC2

VFB = 0.6 V

VFB = 0.6 V

VFB = 0.6 V

—

—

—

AV = 0 dB*

—

—

VFB = 0.6 V

VFB = 0.6 V

Duty cycle = 0%

Duty cycle = 100%

Vdt = VREF/4.2

—

Duty cycle = 0%

Duty cycle = 100%

—

—

CL = 2000 pF,

CB = 4700 pF

CL = 2000 pF,

CB = 4700 pF

—

—

(VCC1 = 5 V, VCC2 = 6 V, Ta = +25°C)

Min.

Value

Typ.

Unit

Max.

—

—

10

mV

—

—

100 nA

–200

–30

—

nA

–0.2

—

VCC – 0.8 V

60

60

—

VREF – 0.3

—

30

—

0.2

0.8

45

–500

0.2

0.8

30

—

5.5

100

100

800

2.4

0.05

60

–2

0.3

0.9

55

–100

0.3

0.9

60

–2

6.0

—

dB

—

dB

— kHz

—

V

0.3

V

—

µA

–0.6 mA

0.4

V

1.0

V

65

%

—

nA

0.4

V

1.0

V

—

µA

–0.6 mA

—

V

—

1.1

1.4

V

—

1.15

1.65 mA

—

350

500 µA

9

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