WRN786.5-1500B datasheet(1/4 Pages) MICRODC

Part #	WRN786.5-1500B

Description	WIDEINPUTNON-ISOLATED & REGULATED SINGLEOUTPUT

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Manufacturer	MICRODC [Microdc power Technology Co., Ltd]

Direct Link	http://www.microdc.cn/

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WRN78XX-1500(B)

WRN78XX-1500(B) Series

Series

http://www.microdc.cn

Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646

Page 1 of 4

Product

Product Program

Program

Part

Part Number

Number

Input

Input Voltage(VDC)

Voltage(VDC)

Output

Efficiency

Efficiency(%,Typ)

(%,Typ)

Nominal

Range

Voltage

(VDC)

Current

(MA)

Vin

(min.)

Vin

(max.)

WRN781.5-1500

12

4.75-18

1.5

1500

83

78

WRN781.8-1500

12

4.75-18

1.8

1500

85

81

WRN782.5-1500

12

4.75-18

2.5

1500

88

85

WRN7803-1500

12

4.75-18

3.3

1500

91

88

WRN7805-1500

12

6.5-18

5

1500

93

91

WRN786.5-1500

12

8-18

6.5

1500

95

93

WRN781.5-1500B

12

4.75-18

1.5

1500

83

78

WRN781.8-1500B

12

4.75-18

1.8

1500

85

81

WRN782.5-1500B

12

4.75-18

2.5

1500

88

85

WRN7803-1500B

12

4.75-18

3.3

1500

91

88

WRN7805-1500B

12

6.5-18

5

1500

93

91

WRN786.5-1500B

12

8-18

6.5

1500

95

93

Add suffix

"B"

for 90°bend pins, for example: WRN7805-1500B.

MODEL

MODEL SELECTION

SELECTION

WR

WRN78

N78

①

①05

05

②

②--------1500

1500

③

③(B)

(B)

④

①Product Series

②Output Voltage

③Output Current

④Bend 90°pins

WIDE

WIDE INPUT

INPUT

INPUT NON-ISOLATED

NON-ISOLATED

NON-ISOLATED &

&

& REGULATED

REGULATED

REGULATED SINGLE

SINGLE

SINGLE OUTPUT

OUTPUT

FEATURES

◆Efficiency up to 95%, No heatsink require

◆1.5A large current output

◆Operating temperature : -40°C~ +85°C

◆Short circuit protection, thermal shutdown

◆Low ripple and noise

◆Micro miniature SIP3 package

◆UL94-V0 requirement

◆Ultra low power loss

◆Industry standard pinout

◆Pin-out compatible with WRN78xx linear

◆MTBE>2000,000Hours

APPLICATIONS

The WRN78xx-1500(B) series switching regulators

are ideal replacement for WRN78xx linear regulators. The

efficiency of up to 95% means that very little energy is

wasted as heat so there is no need for any heat sinks with

their additional space and mounting costs. They are

widely used in industrial control, instrumentation, and

electric power applications.

MICRODC reserves the copyright

OUTPUT

OUTPUT SPECIFICATION

SPECIFICATION

SPECIFICATIONS

S

Item

Test

Test conditions

conditions

Min.

Typ.

Max.

Units

Output voltage accuracy

100% full load,input voltage range

±2

±3

%

Line regulation

Vin=min. to max, at full load

±0.5

±0.75

Load regulation

10% to 100% load

±0.5

±1.0

Ripple & Noise*

20MHz bandwidth (refer to figure 6 )

20

45

mVp-p

Short circuit input power

0.5

1.8

W

Short circuit protection

Continuous, auto-recovery

Thermal shutdown

Internal IC junction

150

℃

Output current limit

5000

mA

Switching frequency

Full load, input voltage range

300

340

380

KHz

Quiescent current

5

10

mA

Temperature coefficient

-40℃ ~ +85℃ ambient

±0.02

%/℃

Max capacitance load

1000

µF

*Test ripple and noise by "parallel cable" method.

COMMON

COMMON SPECIFICATION

SPECIFICATION

SPECIFICATIONS

S

Operating temp. range

-40~+85℃（above 71℃ power derating)

Operating case temp.

+100℃（max)

Storage temp. range

-55~+125℃

Cooling

Free air convection

Lead temperature**

300℃（max)

Storage humidity range

≤95%

Case material

Plastic(UL94-V0)

MTBF

> 2000k hours (25℃MIL-HDBK-217F)

Weight

4.0g

Conducted emissions (Refer to Figure 5)

EN55022

CLASS B

Radiated emissions

EN55022

CLASS B

ESD

EN61000-4-2

Level 3

6kV/8kV perf. Criteria B

**1.5mm from case for 10 seconds

Note:

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