MB39A115 查看數據表（PDF） - Fujitsu

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MB39A115

5ch DC/DC Converter IC with Synchronous Rectification

Fujitsu 

MB39A115

(Continued)

(VCC = VCCO = 7 V, Ta = +25 °C)

Parameter

Symbol Pin No.

Condition

Value

Unit

Min Typ Max

PWM

Threshold

Comparator

voltage

Block

(ch.1 to ch.5)

[PWM Comp.1 to Input current

PWM Comp.5]

VT0 29 to 34 Duty cycle = 0%

VT100 29 to 34 Duty cycle = 100%

IDTC

4, 16,

23, 24

DTC = 0.4 V

0.35 0.4 0.45 V

0.85 0.9 0.95 V

−2.0 −0.6 ⎯ µA

Output source

current

ISOURCE

29 to 34

Duty ≤ 5% (t = 1/fOSC × Duty)

OUT = 0 V

⎯ −300* ⎯ mA

Output sink

Output Block current

(ch.1 to ch.5)

[Drive1 to Drive5]

Output on

resistor

ISINK

29 to 34

Duty ≤ 5% (t = 1/fOSC × Duty)

OUT = 7 V

ROH 29 to 34 OUT = − 15 mA

ROL 29 to 34 OUT = 15 mA

⎯ 300* ⎯ mA

⎯ 9 18 Ω

⎯ 9 14 Ω

Dead time

tD1

33, 34 OUT2 − OUT1

tD2

33, 34 OUT1 − OUT2

⎯ 50* ⎯ ns

⎯ 50* ⎯ ns

Short-Circuit

Detection Block

[SCP Comp.]

Threshold

voltage

Input bias

current

VTH

34

⎯

IB

10 −INS = 0 V

0.97 1.00 1.03 V

−25 −20 −17 µA

Control Block

(CTL,

CTL3 to CTL5)

[CTL, CHCTL]

Output on

condition

Output off

condition

Input current

VIH 6, 7 to 9 CTL, CTL3 to CTL5

VIL 6, 7 to 9 CTL, CTL3 to CTL5

ICTLH 6, 7 to 9 CTL, CTL3 to CTL5 = 3 V

ICTLL 6, 7 to 9 CTL, CTL3 to CTL5 = 0 V

1.5 ⎯ 11 V

0 ⎯ 0.5 V

5 30 60 µA

⎯ ⎯ 1 µA

General

Standby

current

Power supply

current

ICCS

ICCSO

ICC

5 CTL, CTL3 to CTL5 = 0 V

35 CTL = 0 V

5 CTL = 3 V

⎯0

⎯0

⎯4

2 µA

1 µA

6 mA

* : Standard design value

Note : The pin numbers referred are present on TSSOP-38P package.

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