INPUT

Item

Conditions

Min

Typ

Max

Unit

Input Voltage Range

24VDC Nominal input models

9

24

36

VDC

48VDC Nominal input models

18

48

75

Input Surge Voltage

(100ms max.)

24VDC Nominal input models

50

48VDC Nominal input models

100

Start-up Threshold Voltage

24VDC Nominal input models

8.2

8.5

8.8

48VDC Nominal input models

16.3

16.5

16.7

Under Voltage Lockout(UVLO)

24VDC Nominal input models

7.4

7.7

8.0

48VDC Nominal input models

15.3

15.5

15.7

Input Current

See model selection table

Input filter

Pi network filter

OUTPUT

Item

Conditions

Min

Typ

Max

Unit

Output Voltage

See Table

Line Regulation

Low line to high line at full load

-1

+1

%Vo

Load Regulation

25-100% of lo

-1

+1

%Vo

Output Voltage Setting Accuracy

max lo

-1

+1

%Vo

Output Voltage Trim

-10

+10

%Vo

Ripple & Noise ^{(Note 1)}

Vin=48V, max lo.

Measured by 20MHz bandwidth with 1Uf ceramic cap. and 10uF tantalum cap.

(or ceramic cap.) Connected to the output pins.

3.3VDC output

75

mV

5VDC output

75

12VDC output

100

15VDC output

100

24VDC output

240

48VDC output

480

54VDC output

540

Output Power

See model selection table

Output Current

See model selection table

Minimum Load

No minimum load required

Transient Recovery Time

50% - 75% of lo, di/dt=0.1A/us

300

500

us

Transient Recovery

Deviation

±3

±5

%Vo

PROTECTION

Item

Conditions

Min

Typ

Max

Unit

Output Over Voltage Protection

Zener diode clamp

See model selection table

Over Current Protection

% of Io rated; Hiccup mode

130

180

%Io

Thermal Protection

110

°C

Short Circuit Protection

Short +Vo to VO

Auto recovery

GENERAL

Item

Conditions

Min

Typ

Max

Unit

Efficiency

See model selection table

Switching Frequency

280

KHz

Isolation Voltage

Input to Output, 60 Sec

3000

VDC

Isolation Resistance

500VDC

100

M Ohm

Isolation Capacitance

1

nF

Maximum Capacitive Load

See model selection table

PHYSICAL SPECIFICATIONS

Weight

18g (0.63oz)

Dimension (L x W x H)

1.0 x 1.0 x 0.43 inches (25.4 x 25.4 x 10.9 mm)

Case Material

Copper

Base Material

FR4 PCB (Flammability to UL 94V-0 rated)

Pin Material

Copper alloy

ENVIRONMENT

Item

Conditions

Min

Typ

Max

Unit

Operating Temperature

(Without Heatsink)

With derating

-40

105

°C

Case Temperature

105

°C

Storage Temperature

-55

125

°C

Humidity (non-condensing)

95

% RH

RFI

Six-sided shielding, metal case

Cooling

Natural convection is about 20LFM but is not equal to still air (0LFM)

Natural convection

Lead Temperature

1.5mm from case for 10 seconds

260

°C