MB3881 Просмотр технического описания (PDF) - Fujitsu

Номер в каталоге

Компоненты Описание

производитель

MB3881

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

Fujitsu 

MB3881

(Continued)

(Ta = +25 °C, VCC = 9 V, VSS = 4.4 V, VDD = 5 V)

Parameter

Sym-

bol

Pin No.

Conditions

Value

Unit

Min. Typ. Max.

Threshold voltage

VTH

47, 44, 41,

38, 10

FB = 1.35 V

1.23 1.25 1.27 V

VT temperature stability

∆VT/

VT

47, 44, 41,

38, 10

Ta = −30 °C to +85 °C



0.5*



%

Input bias current

IB

46, 43, 40,

37, 11

−IN = 0 V

(CH1 to CH4, CH7)

−320

−60

12

+IN = 1 V (CH7)

8

10



nA

15

µA

Voltage gain

AV

47, 44, 41,

38, 10

DC

60 100



dB

Frequency bandwidth

BW

47, 44, 41,

38, 10

AV = 0 dB

 1.2*

 MHz

VOH

47, 44, 41,

38, 10



2.2 2.4



V

Output voltage

VOL

47, 44, 41,

38, 10





50

200 mV

Output source current

ISOURCE

47, 44, 41,

38, 10

FB = 1.35 V

 −2.0 −1.0 mA

Output sink current

ISINK

47, 44, 41,

38, 10

FB = 1.35 V

70 140



µA

Input offset voltage

VIO 20, 21, 14, 15 FB = 1.35 V





10 mV

VT temperature stability

∆VT/

VT

20, 21, 14, 15 Ta = −30 °C to +85 °C



0.5*



%

22, 16 FB = 1.35 V

−260 −40



nA

Input bias current

IB

21, 15 −IN = 0 V

−120 −30



nA

18

FB = 1.35 V

−120 −30



nA

Common mode input

voltage range

VCM

20, 14



0

 VCC − 1.8 V

Voltage gain

AV

20, 14 DC

60 100



dB

Frequency bandwidth

BW

20, 14 AV = 0 dB

 1.2*

 MHz

Output voltage

VOH

20, 14

VOL

20, 14



2.2 2.4



V





50

200 mV

Output source current ISOURCE 20, 14 FB = 1.35 V

 −2.0 −1.0 mA

Output sink current

ISINK

20, 14 FB = 1.35 V

70 140



µA

*: Standard design value.

(Continued)

11

Share Link: