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WRN78XXT-1000

Description
WIDEINPUT,NON-ISOLATED®ULATED SMDPACKAGE SINGLEOUTPUT
File Size1MB,5 Pages
ManufacturerMICRODC
Websitehttp://www.microdc.cn
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WRN78XXT-1000 Overview

WIDEINPUT,NON-ISOLATED®ULATED SMDPACKAGE SINGLEOUTPUT

WRN78XXT-1000
Series
WIDE INPUT, NON-ISOLATED & REGULATED SMD PACKAGE SINGLE OUTPUT
PRODUCT PROGRAM
Input Voltage(VDC)
Part Number
Nominal
WRN781.5T-1000
Range
Input
Current
(mA)
Output Voltage
(VDC)
Normal
Adjust
Range
Current
(mA)
Efficiency(%,Typ)
Efficiency
Vin
(min.)
Vin
(max.)
12
12
12
12
12
5.0-18
5.0-18
5.0-18
5.0-18
7.0-18
165
190
245
320
460
1.5
1.8
2.5
3.3
5.0
fixed
1.5-3.6
1.5-3.9
1.8-5.5
2.5-6.5
1000
1000
1000
1000
1000
1000
76
78
82
84
90
92
73
75
82
84
88
91
FEATURES
Efficiency up to 92%
No heatsink required
1.0AMP SMD package
Super low ripple and noise
Adjustable output voltage
Remote ON/OFF control
Short circuit protection
Low control current
Operating temperature: -40℃~ +85℃
WRN781.8T-1000
WRN782.5T-1000
WRN7803T-1000
WRN7805T-1000
WRN786.5T-1000
12
8.5-18
580
6.5
fixed
Note: To adjust the output voltage must be met Vin-Vo>2V.
Input Current measured at nominal input voltage and rated output load.
INPUT SPECIFICATIONS
INPUT SPECIFICATIONS
Test Conditions
Item
Input Filter
Start Current(RMS)
Min.
Typ.
Max.
Units
Capacitor (10µF)
0.95
1.1
A
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min.
Typ.
Max.
Units
Output Voltage Accuracy
Input voltage range at full load
Nominal input,10% to 100% load
20MHz bandwidth
20MHz bandwidth(refer to Figure 6)
±2
±0.2
±0.4
20
10
±3
±0.5
±1.0
35
15
mVp-p
%
MODEL SELECTION
② ③
WRN78 05 T -1000
Line Regulation
Load Regulation
Ripple and Noise*
①Product
Series
②Output
Voltage
③SMD
Package Style
④Output
Current
Short Circuit Protection Mode
Short Circuit Protection
Inside Wasted
Thermal Shutdown
Output current limit
Switching Frequency
Hiccup Mode
Continuous, automatic recovery
0.5
Internal IC junction
150
1.8
PWM type
Input voltage range,10% to 100%
load
1
-40℃ ~ +85℃ ambient
1.4
±75
±100
100
3
±0.02
1000
ON
OFF
Open or 1.2<Vc<6V
Vc<0.6V
100
120
200
µA
200
W
A
MHz
mV
µS
mA
%/℃
µF
APPLICATIONS
The WRN78xxT-1000 series with high efficiency
switching
regulators
are
ideally
supply
for
space
Transient peak deviation
Transient recovery time
Quiescent current
Temperature Coefficient
Max Capacitance Load
Remote ON/OFF
constrained mobile applications. There is no need for any
heatsinks. The additional features include remote ON/OFF
control and adjustable output voltage. Super low ripple
and noise of typically only 20mV and Low control current.
ON/OFF Control Current
Shutdown Input Current
ON: Open or 1.2<Vc≤6V
OFF:GND or Vc<0.4V
*Test ripple and noise by
“parallel
cable” method.
COMMON SPECIFICATIONS
Item
Test Conditions
Min.
Typ.
Max.
Units
Storage humidity Range
Operating Temperature Range
Storage Temperature Range
Operating Case Temperature
Power derating(above 71℃)
-40
-55
95
+85
+125
+100
1.5mm from case for 10 seconds
260
Free Air Convection
%
MICRODC reserves the copyright
Lead Temperature
Cooling
http://www.microdc.cn
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 1 of 5

WRN78XXT-1000 Related Products

WRN78XXT-1000 WRN7803T-1000 WRN7805T-1000 WRN781.5T-1000 WRN781.8T-1000 WRN782.5T-1000 WRN786.5T-1000
Description WIDEINPUT,NON-ISOLATED®ULATED SMDPACKAGE SINGLEOUTPUT WIDEINPUT,NON-ISOLATED®ULATED SMDPACKAGE SINGLEOUTPUT WIDEINPUT,NON-ISOLATED®ULATED SMDPACKAGE SINGLEOUTPUT WIDEINPUT,NON-ISOLATED®ULATED SMDPACKAGE SINGLEOUTPUT WIDEINPUT,NON-ISOLATED®ULATED SMDPACKAGE SINGLEOUTPUT WIDEINPUT,NON-ISOLATED®ULATED SMDPACKAGE SINGLEOUTPUT WIDEINPUT,NON-ISOLATED®ULATED SMDPACKAGE SINGLEOUTPUT
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