MB3778 Просмотр технического описания (PDF) - Fujitsu

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MB3778

Switching Regulator Controller

Fujitsu 

MB3778

(Continued)

Parameter

Error Amp Block

Input Offset Voltage

Input Offset Current

Input Bias Current

Common Mode Input Voltage

Range

Voltage Gain

Frequency Band Width

Common Mode Rejection Ratio

Max Output Voltage Width

Output Sink Current

Output Source Current

PWM Comparator Block

Input Threshold Voltage

(fOSC = 10 kHz)

On duty Cycle

Input Sink Current

Input Source Current

Control Block

Input Off Condition

Input On Condition

Control Terminal Current

Output Block

Output Leak Current

Output Saturation Voltage

All Device Block

Stand-by Current

Average Supply Current

Symbol

Condition

(Ta = +25 °C, VCC = 6 V)

Value

Unit

Min Typ Max

VIO

VO = 1.6 V

IIO

VO = 1.6 V

IB

VO = 1.6 V

VICR

VCC = 3.6 V to 18 V

AV

BW

CMRR

RNF = 200 kΩ

AV = 0 dB

⎯

VOM+

⎯

VOM−

IOM+

IOM−

⎯

VO = 1.6

VO = 1.6

−6

−100

−500

1.05

70

⎯

60

VREF

− 0.3

⎯

⎯

⎯

⎯

⎯

−100

⎯

80

1.0

80

⎯

0.7

1.0

−60

+6

+100

⎯

1.45

⎯

⎯

⎯

⎯

0.9

⎯

⎯

mV

nA

nA

V

dB

MHz

dB

V

V

mA

µA

Vt100

Vt0

Dtr

IIN+

IIN−

Duty Cycle = 100%

Duty Cycle = 0%

Vdt = VREF/1.45

Pin 5, Pin 12 = 1.6 V

Pin 5, Pin 12 = 1.6 V

⎯

1.9

2.25

V

1.05

1.3

⎯

V

55

65

75

%

⎯

1.0

⎯

mA

⎯

−60

⎯

µA

VOFF

VON

ICTL

⎯

⎯

VCTL = 10 V

⎯

⎯

0.7

V

2.1

⎯

⎯

V

⎯

200

400

µA

Leak

VSAT

VO = 18 V

IO = 50 mA

⎯

⎯

10

µA

⎯

1.1

1.4

V

ICCS

VCTL = 0 V

⎯

⎯

10

µA

ICCa

VCTL = VCC, No Output

Load

⎯

1.7

2.4 mA

8

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