DBQ0135V2 데이터 시트보기 (PDF) - Unspecified

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DBQ0135V2

420W Digital Fully Regulated Intermediate DC-DC Bus Converter

Unspecified 

DBQ/DVQ Series

420W Digital Fully Regulated Intermediate

DC-DC Bus Converter

DBQ0135V2 FUNCTIONAL SPECIFICATIONS (CONT.)

PMBus

Conditions ➀

Minimum Typical/Nominal Maximum

Units

PMBus GENERAL

PMBus REV. 1.2. SMBALERT# is supported. PEC is supported. Linear data format used.

Bus speed

400

kHz

Logic high input

2

3.3

Vdc

Logic low input

0

0.8

Vdc

Logic high output

2.4

3.6

Vdc

Logic low output

-0.1

0.4

Vdc

PMBus ADDRESSING

If the calculated PMBus address is 0d, 11d or 12d, SA0 or SA1 lefts open, default PMBus address 119d is assigned instead. PMBus address = 8x(SA0 value) + (SA1 value). SA0,

SA1 value VS resistor connected to GND.

0

10

kΩ

1

22

kΩ

2

33

kΩ

3

47

kΩ

4

68

kΩ

5

100

kΩ

6

150

kΩ

7

220

kΩ

PMBus MONITORING ACCURACY

VIN_READ

-2.5

2.5

%

VOUT_READ

-1

1

%

IOUT_READ

-1

1

A

TEMP_READ

-5

5

°C

DIGITAL INTERFACE SPECIFICATIONS (PMBUS MONITORING & FUNCTIONAL DESCRIPTION)

Fault Protection Specifications

Output Voltage, Over Voltage protection, OVP

Factory default

14.4

V

VOUT_OV_FAULT_LIMIT, Configurable via PMBus

>VOUT_OV_WARM_LIMIT

8.1

15.6

V

Restart delay (default, Configurable via PMBus)

500

mS

VIN_OV_FAULT_LIMIT (Configurable via

PMBus) ➃

>VIN_OV_WARM_LIMIT

34

110

V

Restart delay (default, Configurable via PMBus)

200

mS

Input Voltage, Input Under Voltage Protec-

tion, UVLO

Factory default

32

V

Setpoint accuracy

-2

2

%

VIN_UV_FAULT_LIMIT (Configurable via

PMBus) ➃

<VIN_UV_WARM_LIMIT <VIN_OV_FAULT_LIMIT

32

75

V

Restart delay (default, Configurable via PMBus)

200

mS

Over Current Protection, OCP

Setpoint accuracy (Io)

-3

3

%

(factory default)

42

A

IOUT_OC_FAULT_LIMIT (Configurable via

PMBus) ➃

>IOUT_OC_WARN_LIMT

0

50

A

Restart delay (default, Configurable via PMBus)

500

mS

Over Temperature Protection, OTP

OT_FAULT_LIMIT (factory default)

120

°C

OT_FAULT_LIMIT (Configurable via PMBus) ➃

>OT_WARM_LIMIT

0

30

150

°C

OTP accuracy (factory default)

5

5

°C

Restart delay (default, Configurable via PMBus)

500

mS

www.murata-ps.com/support

MDC_DBQ Series.B02Δ Page 14 of 31

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