MHF2812SF 查看數據表（PDF） - Interpoint Corporation Company

零件编号

产品描述 (功能)

生产厂家

MHF2812SF

DC/DC CONVERTERS 28 VOLT INPUT

Interpoint Corporation Company 

MHF+ SERIES DC/DC CONVERTERS

SINGLE AND DUAL

15 WATT

ABSOLUTE MAXIMUM RATINGS

Input Voltage

• 16 to 40 VDC

Power Dissipation (Pd)

• 6W

Output Power

• 12 to 15 watts depending on model

Lead Soldering Temperature (10 sec per lead)

• 300°C

Storage Temperature Range (Case)

• –65°C to +150°C

RECOMMENDED OPERATING CONDITIONS

Input Voltage Range

• 16 to 40 VDC continuous

• 50 V for up to 50 msec transient

Case Operating Temperature (Tc)

• –55°C to +125°C full power

• –55°C to +135°C absolute

Derating Output Power/Current (Tc)

• Linearly from 100% at 125°C to 0% at 135°C

SYNC AND INHIBIT

Sync In (500 to 600 kHz)

• Duty cycle 40% to 60%

• Logic low 0.8 V max

• Logic high 4.5 V min, 5 V max

• Referenced to input common

• If not used, connect to input common

Inhibit TTL Open Collector

• Logic low (output disabled)

Logic low voltage ≤0.8 V

Inhibit pin current 4.0 mA max

• Referenced to input common

• Logic high (output enabled)

Open collector or unconnected

TYPICAL CHARACTERISTICS

Output Voltage Temperature Coefficient

• 100 ppm/°C typical

• 150 ppm/°C maximum

Input to Output Capacitance

• 60 pF typical

Undervoltage Lockout

• 12 V input typical

Current Limit

• 115% of full load typical

Isolation

• 100 megohm minimum at 500 V

Audio Rejection

• 50 dB typical

Conversion Frequency (55°C to +125°C Tc)

• Free run 550 kHz typical

480 kHz min, 620 kHz max

Inhibit Pin Voltage (unit enabled)

• 8.5 to 12 V

Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.

SINGLE OUTPUT MODELS

PARAMETER

OUTPUT VOLTAGE

OUTPUT CURRENT

OUTPUT POWER

OUTPUT RIPPLE

VOLTAGE

LINE REGULATION

LOAD REGULATION

INPUT VOLTAGE

NO LOAD TO FULL

CONDITION

VIN = 16 to 40 VDC

VIN = 16 to 40 VDC

10 kHz - 2 MHz

Tc = –55°C to +125°C

Vin = 16 to 40 VDC

NO LOAD TO FULL

CONTINUOUS

TRANSIENT 50 ms

INPUT CURRENT

INPUT RIPPLE

CURRENT

EFFICIENCY

LOAD FAULT1

STEP LOAD RESP.

NO LOAD

FULL LOAD

INHIBITED

10 kHz - 10 MHz

Tc = –55°C to +125°C

SHORT CIRCUIT

POWER DISSIPATION

RECOVERY2

50% – 100% – 50%

TRANSIENT

RECOVERY2

STEP LINE RESP.

16 – 40 – 16 VDC

TRANSIENT3

RECOVERY2

START-UP

DELAY

OVERSHOOT4

MHF+283R3S

MIN TYP MAX

3.27 3.30 3.33

0 — 2.4

0 —8

— 30 80

— 50 120

— 5 100

— 20 50

16 28 40

— — 50

— 25 65

— — 397

— 5 12

— 45 80

— — 120

72 75 —

—58

— 7.5 30

–400 150 500

— 150 300

–800 550 800

— 0.8 1.2

— 10 25

— 200 300

MHF+2805S

MIN TYP MAX

4.95 5.00 5.05

0 — 2.4

0 — 12

— 30 80

— 60 100

— 5 50

— 20 50

16 28 40

— — 50

— 25 40

— 560 624

— 5 12

— 35 80

— — 100

75 77 —

— 3.5 6

— 7.5 30

–400 150 400

— 150 300

–800 550 800

— 0.8 1.2

— 10 25

— 100 600

MHF+285R2S

MIN TYP MAX UNITS

5.16 5.20 5.24 VDC

0 — 2.4

A

0 — 12.48 W

— 30 50

mV p-p

— 60 100

— 5 35

mV

— 20 35

mV

16 28 40 VDC

— — 50

V

— 25 42

— 560 605 mA

— 5 12

— 35 100

mA pp

— — 100

75 77 —

%

— 3.5 6

W

— 7.5 30

ms

–400 150 400

— 150 300

mV pk

µs

–800 550 800

— 0.8 1.2

— 10 25

— 100 600

mV pk

ms

ms

mV pk

Notes

1. Indefinite short circuit protection not guaranteed above 125°C (case)

2. Recovery time is measured from application of the transient

to the point at which Vout is within regulation.

3. Input step transition time >10 µs.

4. Input step transition time <100 µs.

2

Share Link: