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K78XXT-500

Description
SMD PACKAGE SINGLE OUTPUT
File Size469KB,5 Pages
ManufacturerMORNSUN
Websitehttp://www.mornsun-power.com
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K78XXT-500 Overview

SMD PACKAGE SINGLE OUTPUT

K78XXT-500 Series
WIDE INPUT, NON-ISOLATED & REGULATED
SMD PACKAGE SINGLE OUTPUT
RoHS
FEATURES
Efficiency up to 96%
No need for heat sinks
0.5AMP SMD package
Wide input voltage range(4.5V~28V)
Adjustable output voltage
Remote ON/OFF control
●Short
circuit protection, Thermal shutdown
Very low shutdown current
Super low ripple and noise
PRODUCT PROGRAM
Input Voltage (VDC) Output Voltage (VDC)
Part Number
Nominal
K7803T-500
K7805T-500
K7809T-500
K7812T-500
K7815T-500
12
12
24
24
24
Range
4.5-28
6.0-28
11-28
14-28
17-28
Normal
3.3
5.0
9.0
12
15
Adjust
Range
1.8-5.5
2.5-8.0
3.0-11.5
4.5-13.5
4.5-15.5
Current
(mA)
500
500
500
500
500
Efficiency (%)(Typ.)
Vin (min.) Vin (max.)
90
94
95
95
96
75
81
87
90
92
APPLICATIONS
The K78xxT-500 Series with high efficiency
switching regulators are ideally supply for space
constrained mobile applications. They are no
need for any heat sinks, even if operate at
+85°C. The additional features include remote
ON/OFF control and adjustable output voltage.
Super low ripple and noise of typically only
10mV and a shutdown input current of typically
only 15uA.
Note:
1. Answer for Vin-Vo>2V if needed to adjust the output voltage;
2. If input voltage above specified may cause permanent damage to the device.
3. K7812T-500, K7815T-500 is not allowed to operate under no load.
SPECIFICATIONS
Characteristics
Input voltage range
Output voltage adjust range
Output voltage accuracy
Line regulation
Load regulation
Conditions
See selection guide
See selection guide
Input voltage range at full load
Input voltage range at full load
Nominal Input ,10% to 100% load
20MHz bandwidth
Hiccup mode
Continuous, automatic recovery
1.8
100%<->10% load
Normal input (3.3V, 5V output)
Internal IC junction
-40°C to +85°C ambient
ON: open or 1.5<Vc≤6V
OFF:GND or 0V<Vc<1V
1.1
-40
±30
15
160
±0.02
1000
2
15
1.25
30
1.4
+85
+100
-55
1.5mm from case for 10 seconds
+125
300
95
Free Air Convection
Plastic (UL94-V0)
(MIL-HDBK-217F,+25°C)
2000
2.3
K hours
g
%
o
Min.
4.5
1.8
Typ.
12/24
Max.
28
15.5
Units
V
V
±2
±0.2
±0.3
10
±3
±0.5
±0.75
25
mVp-p
%
MODEL SELECTION
Ripple and Noise
Short circuit protection mode
Short circuit protection
K7805T-500
Output Current
Package Style
Output Voltage
Product Series
Output current limit
Dynamic load stability
Quiescent current
Thermal shutdown
Temperature coefficient
A
±75
mV
mA
°C
%/°C
μF
μA
μA
V
RECOMMENDED REFLOW
SOLDERING PROFILE
250
Max capacitance load
ON/OFF control current
Shutdown input current
ON/OFF shutdown threshold voltage
Operating temperature range
Operating case temperature
Storage temperature range
Peak. Tem p 240 C
10 Sec Max
220 C
60 Sec Max
(> 220 C)
200
Temperature ( C)
150
100
C
50
0
Ti me (sec.)
Lead temperature
Storage humidity range
Cooling
Case material
MTBF
Package weight
Remark:
The curve applies only to the hot air reflow soldering
MORNSUN Science & Technology Co.,Ltd.
Address: No. 5, Kehui St. 1, Kehui development
center, Science Ave., Guangzhou Science City,
Luogang district, Guangzhou,P.R.China.
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
K78XXT-500
B/0-2012
Page 1 of 5

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