MICRODC WRN78V05-1000

WRN78VXX-1000 Series
NONISOLATED REGULATED SINGLE OUTPUT SIP
VERY WIDE INPUT,
INPUT,NONNON-ISOLATED
SIP33 DC/DC CONVERTER
SELECTION GUIDE
Input
Part Number
FEATURES
Efficiency up to 96%,no need for Heat sink
◆
◆
Pin-out compatible with WRN78XX linear
◆
Low profile (L*W*H=11.6×10.2×7.5mm)
◆
Very wide input range(5V~42V)
◆
Short circuit protection,Thermal Shutdown
◆
◆
Efficiency(%,Typ)
Voltage
Current
(VDC)
(VDC)
(MA)
WRN78V1.8-1000
5-42
1.8
WRN78V03-1000
7-42
3.3
WRN78V05-1000
8-42
WRN78V09-1000
Vin(min)
Vin(max)
1000
80
71
1000
89
79
5
1000
93
85
12-42
9
1000
95
90
WRN78V12-1000
15-42
12
1000
96
92
WRN78V15-1000
18-42
15
1000
96
94
SPECIFICATION
SPECIFICATIONS
S(typical at 25
25℃
℃,10% minimum load,unless otherwise specified)
Non standard outputs available as specials
Low ripple and noise
MODEL SELECTION
WR
WRN78
N78①V②05③-1000④
①Product Series
③Output Voltage
Output
Voltage Range
②Very wide input range
④Output Current
ltem
Test conditions
Min.
Typ.
Max.
Units
Input Voltage Range
All Series
Vo+3
42
V
Output Voltage Range
All Series
1.8
15
V
Output Current
All Series
0
1.0
A
Output Current Limit
All Series
3.0
A
Short Circuit Input Current(Vin=24V)
All Series
65mA
No Load Input Current
1
Short Circuit Protection
Continuous, automatic recovery
Output Voltage Accuracy(100% Load)
All Series
±2
Line Regulation(100% Load,Vin max)
All Series
0.2
Load Regulation(10 to 100% full load)
All Series
0.4
Dynamic load stability
100%<->50% load
Ripple & Noise (20Mhz BW Limited)
Vin = 24V, Vout =1.8V-15V
75
With 10µF MLCC output capacitor
Full load
30
Temperature Coefficient
-40°C ~ +85°C ambient
100%<->10% load
DESCRIPTION
The WRN78Vxx-1000 Series switching regulators are
ideally suited to replace 1Amp WRN78xx linear regulators
and are pin compatible. The efficiency of up to 96%
means that very little energy is wasted as heat and the
high input Voltage is a useful feature.
Max capacitance load
%
±3
%
%
±75
±200
mV
100
mVp-p
mVp-p
%/℃
0.015
With normal start-up time,no external components
Switching Frequency
470µF
350khz
Operating Temperature Range
-40
Maximum Case Temperature
Storage Temperature Range
PRODUCT ID DESCRIPTION
mA
-55℃
Case Thermal Impedance
85
℃
100
℃
125
℃
70
℃/W
℃
Thermal Shutdown
Internal IC junction
Conducted Emissions (with filter)
EN55022
160
Class B
Radiated Emissions (with filter)
EN55022
Class B
ESD
EN61000-4-2
Class A
Radiated Immunity
EN61000-4-3
Class A
Fast Transient
EN61000-4-4
Class A
Conducted immunity
EN61000-4-6
Class A
Magnetic Field Immunity
EN61000-4-8
Class A
Package Weight
2g
Packing Quantity
42 pcs per Tube
MICRODC RESERVES THE COPYRIGHT
http://www.microdc.cn
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
Page 1 of 3
WRN78VXX-1000 Series
Derating-Graph
Ambient Temperature
Specifications
Typical Application Circuit
Certifications
General Safety
Standby Power
Using MIL - HDBK 217F
Using MIL - HDBK 217F
MTBF (+25℃)
(+68℃)
EN 60950-1:2006+A11:2009+A1:2010
EN62301:2005
8600 x 10³ hours.
3880 x 10³ hours.
Application Examples
High efficiency regulated outputs
- Triple Outputs
C1: Optional, C2: Required (further decoupling filtering
may be necessary between the two converters)
- WIDE INPUT RANGE 8V to 42V
- High System Efficiency, Suitable for 12V, 24V or 36V
Battery Powered Devices
High efficiency regulated outputs
High efficiency regulated outputs
-Low Voltage AC input,regulated DC output
Use soft start supply
http://www.microdc.cn
C2: optional
-Regulated and Protected DC Output
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
Page 2 of 3
WRN78VXX-1000 Series
Package Style and Pinning (mm)
Recommended Footprint
Note:grid 2.54*mm
Tube Outline Dimensions
Note:
Unit:mm[inch]
General tolerances:±0.50mm:[0.020inch]
L=530mm[20.866inch] Packaging quantity:43 pcs
Note:
Unit:mm[inch]
Pin section tolerances:±0.10mm[±0.004inch]
General tolerances:±0.25mm[±0.010inch]
L=220mm[8.661inch] Packaging quantity:17 pcs
Short tube inner packaging dimensions:L*W*H=255*170*80mm
Short tube outer packaging dimensions(with six inner packaging boxes):
L*W*H=375*280*270mm;
Long tube inner packaging dimensions:L*W*H=580*200*100mm;
Long tube outer packaging dimensions(with two inner packaging boxes):
L*W*H=600*215*220mm;
Short tube outer packaging dimensions(with three inner packaging
FOOTPRINT
DETAILS
Pin Connections
http://www.microdc.cn
Pin
Function
1
+Vin
2
GND
3
+Vout
boxes):
L*W*H=600*215*325mm;
xx.x ±0.5mm
xx.xx ±0.25mm
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
Page 3 of 3