MPM82 datasheet(3/15 Pages) SANKEN

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SANKEN ELECTRIC CO., LTD.

2 A Non-Isolated Step-Down DC/ DC Converter Modules

MPM8x Series

March 11, 2013

MPM80-DS, Rev. 0.1

MPM80 Electrical Characteristics1 TA = 25°C, VIN = 12 V, if not otherwise specified

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

Output Voltage Setting Reference

Voltage

VFBREF

IO = 1 A

0.784

0.800

0.816

Output Voltage Setting Reference

Voltage Temperature Coefficient

ΔVFBREF /ΔTTA = –20 to 85°C

–

±0.05

–

mV / °C

Line Regulation2

VLINE

VIN = 8 to 30 V, VO = 5 V, IO = 1 A

–2

–

Oscillation Frequency

567

630

693

kHz

Load Regulation2

VLOAD

VO = 5 V, IO =0 to 2 A

–3

–

Overcurrent Protection (OCP) Starting

Current3

VO = 5 V, drooping/automatic restoration of

operation when fault removed

2.4

–

4.0

Circuit Current

IIN

IO = 0 A, VFB = 1 V

–

2.5

–

Overvoltage Protection (OVP) Starting

Voltage4

VOVP

VIN = 8 to 35 V

–

1.1 ×

VFBREF

–V

MIC Overtemperature Protection

(OTP) Starting Temperature

TJOTP

VIN = 8 to 35 V, automatic restoration of

operation when fault removed

135

150

–

°C

Undervoltage Lockout (UVLO) Voltage

VUVLO

6.0

7.0

7.5

UVLO Release Voltage

VUVLO(OFF)

5.5

6.5

7.0

UVLO Hysteresis Voltage4

VUVLOHYS

–

0.5

–

Minimum Input-Output Difference

VINVO(MIN) When VO is set to 12 V

–

Built-In Software Start Time4

tSS

VIN = 12 V, IO = 1.0 A

–

6.4

–

Maximum On Duty Cycle4

DMAX

–90–

Minimum On-Time4

tMIN

–

160

–

Inductance Value

4.48

5.60

6.72

μH

The Electrical Characteristics value specifications apply when the MPM80 is connected as shown in figure 1.

VLINE and VLOAD do not include output voltage setting deviation. Note that output voltage setting deviation is affected by precision of the external

resistors R1 and R2. For details, refer to the Application Information section.

When the output voltage, VO , is set to any value other than 5.0 V, the inductance value and operating frequency of the built-in inductor change in

direct proportion with to the setting output voltage. Therefore, the OCP operating point may vary significantly from the value when VO = 5.0 V.

Determined by design, not tested in production.

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