MICRODC WRN78-500

WRN78XX-500 Series
NONISOLATED REGULATED SINGLE OUTPUT SIP
3 DC/DC CONVERTER
WIDE INPUT,
INPUT,NONNON-ISOLATED
SIP3
SELECTION GUIDE
Input
order code
WRN7803-500
FEATURES
WRN7805-500
◆RoHS compliant
◆Efficiency up to 96%
WRN7809-500
◆Wide temperature range:-40°C to 85°C
◆Short circuit protection,Thermal Shutdown
WRN7812-500
Efficiency(%,Typ)
Voltage
Current
(VDC)
(VDC)
(MA)
3.3
500
90
80
-3.3
-400
73
78
6.5-32
5.0
500
93
84
6.0-27
-5.0
-400
78
83
8-32
6.5
500
94
87
6.0-25
-6.5
-300
83
85
11-32
9.0
500
95
91
7.0-23
-9.0
-200
87
86
15-32
12
500
95
92
7.0-20
-12
-200
85
87
18-32
15
500
96
93
84
89
WRN7815-500
◆ Low ripple and noise
7.0-17
-15
-200
*Input voltage can't exceed this value,or will cause the permanent damage.
OUTPUT SPECIFICATION
SPECIFICATIONS
S
◆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
◆ The WRN78xx-500 Series converters
Parameter
Test conditions
Output Voltage accuracy
100% full load
Line regulation
Load regulation
Ripple&Noise*
Min.
Typ.
Max.
Units
±2
±3
W
Vin= min. to max. at full load
±0.2
±0.4
%
10% to 100% load
±0.4
±0.6
%
20MHZ Bandwidth
20
35
%
0.5
1.8
%
Short Circuit Input Power
Short circuit protection
can also be used to convert a positive
voltage into a negative voltage
MODEL SELECTION
①
②
Vin(max)
4.75-25
◆No heatsink required
◆ Industry standard pinout
Vin(min)
4.75-28
WRN786.5-500
◆SIP Package
Output
Voltage Range
③
WR
WRN78
N78 05 -500
Continuous, automatic recovery
Switching frequency
280
330
Quiescent current
Positive Output
5
8
Quiescent current
Negative Output
7
13
Thermal Shutdown
Internal IC junction
Temperature coefficient
-40 °C to +85 °C ambient
②Output Voltage
Khz
mA
℃
150
Max capacitance load
①Product Series
③Output Current
450
0.02
%/℃
1000
µF
* Test ripple and noise by "parallel cable" method.
COMMON SPECIFICATION
S
SPECIFICATIONS
Parameter
DESCRIPTION
Test conditions
Min.
Operating Temp. Range
Typ.
-40
Operating Case Temp.
The WRN78xx-500 Series high efficiency switching
Regulators are ideally suited to replace 78xx linear
regulators and are pin compatible.
Storage Temp. Range
-55
Cooling
Max.
Units
85
℃
100
℃
125
℃
Free Air Convection
Case Material
Lead Temperature
Plastic (UL94-V0)
1.5mm from case for 10 seconds
MTBF
℃
300
Storage Humidity Range
95
+25°C MIL-HDBK-217F
%
2000
Package Weight
K hours
2.0
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,
MICRODC reserves the copyright
http://www.microdc.cn
input voltage and output voltage,
then phone us.
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
Page 1 of 2
WRN78XX-500 Series
TYPICAL CHARACTERISTICS
EXTERNAL CAPACITOR TABLE
Part Number
C1,C3
(ceramic capacitor)
C2,C4
(ceramic capacitor)
WRN7803-500
10uF/50V
22uF/6.3V
WRN7805-500
10uF/50V
22uF/10V
WRN786.5-500
10uF/50V
10uF/10V
WRN7809-500
10uF/50V
10uF/16V
WRN7812-500
10uF/50V
10uF/25V
WRN7815-500
10uF/50V
10uF/25V
Temperature Derating Graph
STANDARD APPLICATION CIRCUIT
APPLICATION EXAMPLE
MECHANICAL DIMENSIONS
RECOMMENDED FOOTPRINT
RECOMMENDED FOOTPRINT
Top view,grid:2.54mm(0.1inch)
diameter:1.00mm(0.039inch)
TUBE OUTLINE DIMENSIONS
Note:
Unit:mm[inch]
Pin section:0.50*0.30mm(0.020*0.012inch)
Pin section tolerances:±0.10mm[±0.004inch]
General tolerances:±0.25mm[±0.010inch]
http://www.microdc.cn
Note:
Unit :mm[inch]
General tolerances:
±0.50mm[±0.020inch]
L=530mm[20.866inch]
Tube Quantity: 22pcs
L=220mm[8.661inch]
Tube Quantity: 8pcs
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
Page 2 of 2