M62211 Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC

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M62211

GENERAL PURPOSE MULTI FUNCTION DC-DC CONVERTER

MITSUBISHI ELECTRIC  

MITSUBISHI SEMICONDUCTORS <Standard-Linear>

M62211P/FP

GENERAL PURPOSE MULTI FUNCTION DC-DC CONVERTER

CDTC

Comp1

FB

1.86V

1.25V

I1

10µ

DTC

Vcc

I2

25µ

SW1

(Initial RESET)

R

Q

S

RDTC

90KΩ

I3

55µ

(900mV)

SW2

Comp2

1.15V 0.3V

* SW1 and SW2 are turned ON by "H" signal.

FB

2.0

DTC

1.15

1.0

0.45

0.20

0

I 1 ON ON

ON ON ON

ON ON ON

ON

I 2 ON OFF

OFF OFF

OFF

ON ON OFF OFF

I 3 OFF ON

Charge Discharge

35µ 45µ

OFF ON

Charge Discharge

10µ

45µ

OFF

Charge

10µ

OFF OFF ON OFF

Charge Charge Discharge Charge

35µ 35µ 45µ

10µ

Activate

[I]

Output short

[ II ]

ON/OFF control --> Activate

[ III ]

DTC set up value (Tentative)

OSC

ON

ON

OFF ON

ON

ON

Discharge Discharge

45µ

20µ

Output short (Latch)

[ IV ]

Fig.3 Short Protection Circuit and the Timing Chart of the Modes

(9/9)

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