WRN78XX-1000 datasheet(1/2 Pages) MICRODC

Part #	WRN78XX-1000

Description	WIDEINPUT,NON-ISOLATED REGULATED SINGLEOUTPUT SIP3DC/DCCONVERTER

PDF	2 Pages

Scroll/Zoom	100%

Manufacturer	MICRODC [Microdc power Technology Co., Ltd]

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

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1 / 2 page

WRN78XX-1000

WRN78XX-1000 Series

Series

http://www.microdc.cn

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

Page 1 of 2

SELECTION

SELECTION GUIDE

GUIDE

order code

Input

Output

Efficiency(%,Typ)

Voltage Range

(VDC)

Voltage

(VDC)

Current

(MA)

Vin(min)

Vin(max)

WRN7803-1000

4.75-28

3.3

1000

90

83

4.75-25

-3.3

-600

80

82

WRN7805-1000

6.5-32

5.0

1000

93

88

7.0-27

-5.0

-600

85

87

WRN786.5-1000

9-32

6.5

1000

94

90

7.0-25

-6.5

-400

88

90

WRN7809-1000

12-32

9.0

1000

95

92

7.0-23

-9.0

-400

89

91

WRN7812-1000

16-32

12

1000

96

94

7.0-20

-12

-300

89

91

*Input voltage can't exceed this value,or will cause the permanent damage.

MODEL

MODEL SELECTION

SELECTION

WRN78

①

①05

05

②

②--------1000

1000

③

①Product Series

②Output Voltage

③Output Current

WIDE

WIDE INPUT,

INPUT,

INPUT,NON-

NON-

NON-ISOLATED

ISOLATED

ISOLATED REGULATED

REGULATED

REGULATED S

S

SINGLE

INGLE

INGLE O

O

OUTPUT

UTPUT

UTPUT SIP

SIP

SIP3

3

3 DC/DC

DC/DC

DC/DC C

C

CONVERTER

ONVERTER

FEATURES

◆RoHS compliant

◆Efficiency up to 96%

◆SIP Package

◆Wide temperature range:-40°C to 85°C

◆Short circuit protection,Thermal Shutdown

◆No heatsink required

◆ Low ripple and noise

◆ Industry standard pinout

◆MTBF>2,000,000 hours

◆Only two extra capacitors are required

◆ Input voltage range can be lower than the

output voltage for higher output voltages

in negative application

DESCRIPTION

The WRN78xx-1000 Series high efficiency switching

Regulators are ideally suited to replace WRN78xx linear

regulators and are pin compatible. The efficiency of up

to 96% means that very little energy is wasted as heat

so there is no need fo any heat sinks with their additional

space and mounting costs.

MICRODC reserves the copyright

OUTPUT

OUTPUT SPECIFICATIONS

SPECIFICATIONS

Parameter

Test

Test conditions

conditions

Min.

Typ.

Max.

Units

Output Voltage accuracy

100% full load

±2

±3

%

Line regulation

Vin= min. to max. at full load

±0.2

±0.4

%

Load regulation

10% to 100% load

±0.4

±0.6

%

Ripple＆Noise*

20MHZ Bandwidth

25

35

%

Short Circuit Input Power

0.5

1.8

W

Short circuit protection

Continuous, automatic recovery

Switching frequency

100% full load

280

330

450

Khz

Quiescent current

Positive Output

5

8

mA

Quiescent current

Negative Output

7

13

Thermal Shutdown

Internal IC junction

150

℃

Output Current Limit

2000

mA

Temperature coefficient

-40 °C to +85 °C ambient

0.02

%/℃

Max capacitance load

1000

µF

*

Test ripple and noise by "parallel cable" method.

COMMON

COMMON SPECIFICATIONS

SPECIFICATIONS

Parameter

Test

Test conditions

conditions

Min.

Typ.

Max.

Units

Operating Temp. Range

-40

85

℃

Operating Case Temp.

100

℃

Storage Temp. Range

-55

125

℃

Cooling

Free Air Convection

Case Material

Plastic (UL94-V0)

Lead Temperature

1.5mm from case for 10 seconds

300

℃

Storage Humidity Range

95

%

MTBF

+25°C MIL-HDBK-217F

2000

K hours

Package Weight

3.7

g

Note:

1. All

specifications measured

at TA=25°C,

humidity<75%,

nominal

input

voltage

and

rated

output

load unless otherwise specified.

2. Only typical models listed. If you need other model, please confirm the power,

input voltage and output voltage,

then phone us.

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