MB3788 查看數據表（PDF） - Fujitsu

零件编号

产品描述 (功能)

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MB3788

SWITCHING REGULATOR CONTROLLER

Fujitsu 

MB3788

s ELECTICAL CHARACTERISTICS

Parameter

Reference

voltage

Reference voltage

Output voltage temperature

variation

Input stability

Load stability

Short-circuit output current

Low voltage

malfunction

fail-safe

circuit

Threshold voltage

Hysteresis width

Reset voltage

Short-circuit

detection

comparator

Input offset voltage

Input bias current

In-phase input voltage range

Threshold voltage

Short-circuit Input standby voltage

detector Input latch voltage

Input source current

Input offset voltage

Input offset current

Input bias current

In-phase input voltage range

Error

amplifier

Voltage gain

Frequency bandwidth

In-phase signal rejection ratio

Maximum output voltage width

Output sink current

Output source current

(VCC =6V, TA = +25°C)

Symbol

Conditions

Value

Unit

Min. Typical Max.

VREF

IOR = -1 mA

2.475 2.500 2.525 V

∆VREF/

VREF

TA = -30° to +85°C

-2

±0.2

2

%

Line

VCC = 3.6 V to 18 V

—

2

10

mV

Load

IOR = -0.1 mA to 1 mA —

3

10

mV

IOS

VREF = 2 V

-20

-8

-3

mA

VtH

—

—

2.65

—

V

VtL

—

—

2.45

—

V

VHYS

—

80

200

—

mV

VR

—

1.5

1.9

—

V

VIO

—

0.58

0.65

0.72

V

IIB

VI = 0 V

-200 -100

—

nA

VICM

—

-0.2

— VCC-1.8 V

VtPC

—

0.60

0.65

0.70

V

VSTB

—

—

50

100 mV

VI

—

—

50

100 mV

IIbpc

—

-1.4

-1.0

-0.6 µA

VIO

VFB = 1.6 V

-10

—

10

mV

IIO

VFB = 1.6 V

-100

—

100 nA

IIB

VFB = 1.6 V

-200

-60

—

nA

VICM

—

-0.2

— VCC-1.8 V

AV

—

60

100

—

dB

BW

AV = 0 dB

—

800

— kHz

CMRR

—

60

80

—

dB

VOM+

—

VREF-0.3 2.4

—

V

VOM-

—

—

0.05

0.5

V

IOM+

VFB = 1.6 V

—

120

—

µA

IOM-

VFB = 1.6 V

—

-2

—

mA

8

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