MKW50 SERIES

DC/DC CONVERTER 50W, Highest Power Density

Output Specifications

Parameter

Conditions

Min.

Typ.

Max.

Unit

Output Voltage Setting Accuracy

At 50% Load and Nominal Vin

---

---

±1.0

%Vnom.

Line Regulation

Vin=Min. to Max. @ Full Load

---

---

±0.5

%

Load Regulation

Min. Load to Full Load

---

---

±0.5

%

Minimum Load

No minimum Load Requirement

---

100

---

Ripple & Noise (20MHz bandwith)

---

150

---

Transient Recovery Time

---

250

---

μsec

Temperature Coefficient

---

---

±0.02

%/

℃

Over Load Protection

Current Limitation at 150% typ. of Iout max., Hiccup

Short Circuit Protection

Hiccup Automatic Recovery

Over Voltage Protection

For Shutdown Voltage see Model Selection Guide

General Specifications

Parameter

Conditions

Min.

Typ.

Max.

Unit

I/O Isolation Voltage (rated)

60 Seconds

1500

---

---

VDC

I/O Isolation Resistance

500 VDC

1000

---

---

MΩ

I/O Isolation Capacitance

100KHz, 1V

---

---

2200

pF

24Vo Models

---

285

---

KHz

Switching Frequency

Other Models

---

320

---

KHz

MTBF(calculated)

MIL-HDBK-217F@25

℃, Ground Benign

227,100

---

---

Hours

Safety Approvals(pending)

UL/cUL 60950-1 recognition(CSA certificate), IEC/EN 60950-1(CB-scheme)

Input Fuse

12V Input Models

24V Input Models

48V Input Models

10000mA Slow-Blow Type

5000mA Slow-Blow Type

2500mA Slow-Blow Type

Remote On/Off Control

Parameter

Conditions

Min.

Typ.

Max.

Unit

Converter On

3.5V ~ 12V or Open Circuit

Converter Off

0V ~ 1.2V or Short Circuit

Control Input Current (on)

Vctrl = 5.0V

---

0.5

---

mA

Control Input Current (off)

Vctrl = 0V

---

-0.5

---

mA

Control Common

Referenced to Negative Input

Standby Input Current

Nominal Vin

---

2.5

---

mA

Output Voltage Trim

Parameter

Conditions

Min.

Typ.

Max.

Unit

% of Nominal Output Voltage (24Vo Models)

+20 / -10

---

---

%

% of Nominal Output Voltage (Other Models)

±10

---

---

%

Environmental Specifications

Max.

Parameter

Model

Min.

without Heatsink

with Heatsink

Unit

MKW50-XXS033

56

64

MKW50-24S05, MKW50-24S12

MKW50-24S15, MKW50-48S05

MKW50-48S12, MKW50-48S15

53

62

MKW50-12S12, MKW50-12S15

MKW50-12S24, MKW50-24S24

MKW50-48S24

46

56

Operating Ambient Temperature Range

(Natural Convection, see Derating)

MKW50-12S05

-40

38

49

℃

Natural Convection without Heatsink

12.1

---

℃/W

Natural Convection with Heatsink

9.8

---

℃/W

100LFM Convection without Heatsink

9.2

---

℃/W

100LFM Convection with Heatsink

5.4

---

℃/W

200LFM Convection without Heatsink

7.8

---

℃/W

200LFM Convection with Heatsink

4.5

---

℃/W

400LFM Convection without Heatsink

5.2

---

℃/W

Thermal Impedance

400LFM Convection with Heatsink

3.0

---

℃/W

Case Temperature

---

+105

℃

Thermal Protection

Shutdown Temperature

110

℃ typ.

Storage Temperature Range

-50

+125

℃

Humidity (non condensing)

---

95

% rel. H

RFI

Six-Sided Shielded, Metal Case

Lead Temperature (1.5mm from case for 10Sec.)

---

260

℃

Tota

Total Power International, Inc.

Total Power In

Total Power International, Inc

Toll Free: 877-646-0900

www.total-power.com