MB3883PV(1998) Просмотр технического описания (PDF) - Fujitsu

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MB3883PV
(Rev.:1998)

6-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down

Fujitsu 

MB3883

Parameter

Symbol

Pin No.

Conditions

Threshold voltage

Input bias current

VTH

37, 38, 39, 40,

41, 43, 45, 46

CH1 to CH5

34, 31, 28, 8

−IN = 0 V

(CH1 to CH3, CH5)

IB

13

−IN = 0 V (CH4)

(Ta = +25 °C, VCC = 5 V)

Value

Unit

Min. Typ. Max.

0.97 1.00 1.03 V

−320 −80  nA

−200 −50  nA

Threshold voltage

VTH

47



0.8 0.9 1.0 V

Threshold voltage

VT0 37, 39, 41, 43, 45 Duty cycle = 0 %

VT100 37, 39, 41, 43, 45 Duty cycle = 100 %

1.0 1.1  V

 1.8 1.9 V

Input current

IDTC

36, 33, 30, 14, 6

DTC = 0.4 V

(CH1 to CH5)

−1.0 −0.3  µA

Threshold voltage

VT0

VTmax

47

Duty cycle = 0 %

47

Duty cycle = Max.

0.2 0.3  V

 0.74 0.84 V

Maximum duty cycle Dtr

47

CT = 100 pF, RT = 18 kΩ,

RB = 24 kΩ

70

80

90

%

Output source

current

ISOURCE

37, 39, 45 Duty ≤ 5 %, OUT = 0 V  −130  mA

Output sink current ISINK

37, 39, 45 Duty ≤ 5 %, OUT = 5 V  100  mA

ROH

Output ON resistor

ROL

37, 39, 45

37, 39, 45

OUT = −15 mA

OUT = 15 mA

 18 30 Ω

 16 25 Ω

Output source

current

ISOURCE 38, 40, 41, 43, 46 Duty ≤ 5 %, OUT = 0 V  −130  mA

Output sink current ISINK 38, 40, 41, 43, 46 Duty ≤ 5 %, OUT = 5 V  100  mA

Output ON resistor

ROH 38, 40, 41, 43, 46 OUT = −15 mA

ROL 38, 40, 41, 43, 46 OUT = 15 mA

 18 30 Ω

 16 25 Ω

Output source

current

ISOURCE

47

RB = 24 kΩ, OUT = 0.7 V −2.6 −2.0 −1.4 mA

Output sink current ISINK

47

Duty ≤ 5 %, OUT = 0.7 V  40  mA

*: Standard design value.

(Continued)

13

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