WRN78XX-500
Series
WIDE INPUT,NON-ISOLATED REGULATED SINGLE OUTPUT SIP3 DC/DC CONVERTER
INPUT,NON-
NON-ISOLATED
SIP3
SELECTION GUIDE
Input
order code
Voltage Range
(VDC)
Voltage
(VDC)
Output
Current
(MA)
Efficiency(%,Typ)
Vin(min)
Vin(max)
WRN7803-500
4.75-28
4.75-25
3.3
-3.3
5.0
-5.0
6.5
-6.5
9.0
-9.0
12
-12
15
500
-400
500
-400
500
-300
500
-200
500
-200
500
90
73
93
78
94
83
95
87
95
85
96
84
80
78
84
83
87
85
91
86
92
87
93
89
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
WRN7812-500
WRN7805-500
WRN786.5-500
6.5-32
6.0-27
8-32
6.0-25
WRN7809-500
11-32
7.0-23
15-32
7.0-20
WRN7815-500
18-32
7.0-17
-15
-200
*Input voltage can't exceed this value,or will cause the permanent damage.
OUTPUT SPECIFICATION S
Parameter
Test conditions
Min.
Typ.
Max.
Units
Output Voltage accuracy
Line regulation
Load regulation
Ripple＆Noise*
Short Circuit Input Power
Short circuit protection
100% full load
Vin= min. to max. at full load
10% to 100% load
20MHZ Bandwidth
±2
±0.2
±0.4
20
0.5
±3
±0.4
±0.6
35
1.8
W
%
%
%
%
output voltage for higher output voltages
◆
The WRN78xx-500 Series converters
Continuous, automatic recovery
280
Positive Output
Negative Output
Internal IC junction
-40 °C to +85 °C ambient
330
5
7
150
0.02
1000
450
8
13
℃
%/℃
µF
Khz
mA
can also be used to convert a positive
voltage into a negative voltage
Switching frequency
Quiescent current
Quiescent current
MODEL SELECTION
WRN78
①
05
②
-500
③
①Product
Series
③Output
Current
②Output
Voltage
Thermal Shutdown
Temperature coefficient
Max capacitance load
* Test ripple and noise by "parallel cable" method.
COMMON SPECIFICATION S
Parameter
Test conditions
Min.
Typ.
Max.
Units
DESCRIPTION
The WRN78xx-500 Series high efficiency switching
Regulators are ideally suited to replace 78xx linear
regulators and are pin compatible.
Operating Temp. Range
Operating Case Temp.
Storage Temp. Range
Cooling
Case Material
Lead Temperature
Storage Humidity Range
MTBF
Package Weight
Note:
1. All
specifications measured
at TA=25°C,
humidity<75%,
nominal
+25°C MIL-HDBK-217F
1.5mm from case for 10 seconds
-40
85
100
℃
℃
℃
-55
125
Free Air Convection
Plastic (UL94-V0)
300
95
℃
%
K hours
2000
2.0
g
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,
MICRODC reserves the copyright
then phone us.
http://www.microdc.cn
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 1 of 2
WRN78XX-500
Series
EXTERNAL CAPACITOR TABLE
Part Number
WRN7803-500
WRN7805-500
WRN786.5-500
WRN7809-500
WRN7812-500
WRN7815-500
C1,C3
(ceramic capacitor)
10uF/50V
10uF/50V
10uF/50V
10uF/50V
10uF/50V
10uF/50V
C2,C4
(ceramic capacitor)
22uF/6.3V
22uF/10V
10uF/10V
10uF/16V
10uF/25V
10uF/25V
TYPICAL CHARACTERISTICS
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]
Note:
Unit :mm[inch]
General tolerances:
±0.50mm[±0.020inch]
L=530mm[20.866inch]
Tube Quantity: 22pcs
L=220mm[8.661inch]
Tube Quantity: 8pcs
http://www.microdc.cn
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 2 of 2
FPGA/CPLD
京公网安备 11010802033920号
EEWORLD
