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LNK520PN-TL

Description
0.28 A SWITCHING REGULATOR, 49.5 kHz SWITCHING FREQ-MAX, PDIP8
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,20 Pages
ManufacturerPower Integrations
Websitehttps://www.powerint.cn
Download Datasheet Parametric Compare View All

LNK520PN-TL Overview

0.28 A SWITCHING REGULATOR, 49.5 kHz SWITCHING FREQ-MAX, PDIP8

LNK520PN-TL Parametric

Parameter NameAttribute value
Rated input voltage5.75 V
Number of functions1
Number of terminals8
Minimum operating temperature-40 Cel
Maximum operating temperature125 Cel
Processing package descriptionLEAD FREE, PLASTIC, MS-001AB, DIP-8,
each_compliYes
EU RoHS regulationsYes
stateActive
Analog IC other typesSWITCHING REGULATOR
Control TechnologyPULSE WIDTH MODULATION
Minimum input voltage5.5 V
Maximum input voltage6 V
jesd_30_codeR-PDIP-T8
jesd_609_codee3
moisture_sensitivity_levelNOT SPECIFIED
Maximum output current0.2800 A
Packaging MaterialsPLASTIC/EPOXY
ckage_codeDIP
packaging shapeRECTANGULAR
Package SizeIN-LINE
eak_reflow_temperature__cel_NOT SPECIFIED
qualification_statusCOMMERCIAL
surface mountNO
Switch configurationSINGLE
Maximum switching frequency49.5 kHz
Temperature levelAUTOMOTIVE
terminal coatingMATTE TIN
Terminal formTHROUGH-HOLE
Terminal spacing2.54 mm
Terminal locationDUAL
ime_peak_reflow_temperature_max__s_NOT SPECIFIED
length9.58 mm
width7.62 mm
dditional_featureREQUIRES AN AC SUPPLY OF 85 TO 265V
This product is not recommended for new designs.
LNK520
LinkSwitch
Family
Energy Efficient, CV or CV/CC Switcher for
Very Low Cost Chargers and Adapters
Product Highlights
Cost Effective Linear/RCC Replacement
Lowest cost and component count, constant voltage (CV)
or constant voltage/constant current (CV/CC) solutions
Optimized for bias winding feedback
Up to 75% lighter power supply reduces shipping cost
Primary based CV/CC solution eliminates 10 to 20
secondary components for low system cost
Fully integrated auto-restart for short circuit and open loop
fault protection – saves external component costs
42 kHz operation with optimized switching characteristics
for significantly reduced EMI
Universal input range allows worldwide operation
Up to 70% reduction in power dissipation – reduces
enclosure size significantly
CV/CC output characteristic without secondary feedback
System level thermal and current limit protection
Meets all single point failure requirements with only one
additional bias capacitor
Controlled current in CC region provides inherent soft-start
Optional opto feedback improves output voltage accuracy
+
DC
Output
(V
O
)
Wide Range
HV DC Input
LinkSwitch
D
C
S
(a)
V
O
Example Characteristic
Min
Typ
(CV only) (CV/CC)
±10%
V
O
±5%
Much Higher Performance Over Linear/RCC
±24%*
For Circuit
Shown Above
I
O
(b)
±24%*
With Optional
Secondary Feedback**
I
O
EcoSmart ™ – Extremely Energy Efficient
*Estimated tolerance achievable in high volume production (external
components with
±7.5%
transformer inductance tolerance included).
**See Optional Secondary Feedback section.
PI-3853-030404
PI-3577-080603
Consumes <300 mW at 265 VAC input with no load
Meets California Energy Commission (CEC), Energy Star,
and EU requirements
No current sense resistors – maximizes efficiency
Figure 1. (a) Typical Application – not a Simplified Circuit and
(b) Output Characteristic Tolerance Envelopes.
Output Power Table
1
PRODUCT
LNK520
P or G
4
Applications
230 VAC ±15%
Min
2
3.3 W
4.2 W
Typ
2
4W
5.5 W
85-265 VAC
Min
2
2.4 W
Typ
2
3W
Linear transformer replacement in all ≤3 W applications
Chargers for cell phones, cordless phones, PDAs, digital
cameras, MP3/portable audio devices, shavers, etc.
Home appliances, white goods and consumer electronics
Constant output current LED lighting applications
TV standby and other auxiliary supplies
No-Load
Input
Power
<300 mW
2.9 W 3.5 W <500 mW
3
Description
LinkSwitch™ is specifically designed to replace low power
linear transformer/RCC chargers and adapters at equal or
lower system cost with much higher performance and energy
efficiency. LNK520 is equivalent to LNK500 but optimized for
use with bias winding feedback and has improved switching
characteristics for significantly reduced EMI. In addition, if bias
and output windings are magnetically well coupled, output
voltage load regulation can be improved. With efficiency of up
to 75% and <300 mW no-load consumption, a LinkSwitch
solution can save the end user enough energy over a linear
Table 1.
Notes: 1. Output power for designs in an enclosed
adapter measured at 50 °C ambient. 2. See Figure 1 (b) for
Min (CV only designs) and Typ (CV/CC charger designs) power
points identified on output characteristic. 3. Uses higher reflected
voltage transformer designs for increased power capability
see
Key Application Considerations section. 4. For lead-free package
options, see Part Ordering Information.
design to completely pay for the full power supply cost in less
than one year. LinkSwitch integrates a 700 V power MOSFET,
PWM control, high voltage start-up, current limit, and thermal
shutdown circuitry, onto a monolithic IC.
September 2016

LNK520PN-TL Related Products

LNK520PN-TL LNK520 LNK520P-TL
Description 0.28 A SWITCHING REGULATOR, 49.5 kHz SWITCHING FREQ-MAX, PDIP8 0.28 A SWITCHING REGULATOR, 49.5 kHz SWITCHING FREQ-MAX, PDIP8 0.28 A SWITCHING REGULATOR, 49.5 kHz SWITCHING FREQ-MAX, PDIP8
Rated input voltage 5.75 V 5.75 V 5.75 V
Number of functions 1 1 1
Number of terminals 8 8 8
Minimum operating temperature -40 Cel -40 Cel -40 Cel
Maximum operating temperature 125 Cel 125 Cel 125 Cel
Processing package description LEAD FREE, PLASTIC, MS-001AB, DIP-8, LEAD FREE, PLASTIC, MS-001AB, DIP-8, LEAD FREE, PLASTIC, MS-001AB, DIP-8,
each_compli Yes Yes Yes
EU RoHS regulations Yes Yes Yes
state Active Active Active
Analog IC other types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Minimum input voltage 5.5 V 5.5 V 5.5 V
Maximum input voltage 6 V 6 V 6 V
jesd_30_code R-PDIP-T8 R-PDIP-T8 R-PDIP-T8
jesd_609_code e3 e3 e3
moisture_sensitivity_level NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Maximum output current 0.2800 A 0.2800 A 0.2800 A
Packaging Materials PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
ckage_code DIP DIP DIP
packaging shape RECTANGULAR RECTANGULAR RECTANGULAR
Package Size IN-LINE IN-LINE IN-LINE
eak_reflow_temperature__cel_ NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
qualification_status COMMERCIAL COMMERCIAL COMMERCIAL
surface mount NO NO NO
Switch configuration SINGLE SINGLE SINGLE
Maximum switching frequency 49.5 kHz 49.5 kHz 49.5 kHz
Temperature level AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
terminal coating MATTE TIN MATTE TIN MATTE TIN
Terminal form THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
Terminal spacing 2.54 mm 2.54 mm 2.54 mm
Terminal location DUAL DUAL DUAL
ime_peak_reflow_temperature_max__s_ NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
length 9.58 mm 9.58 mm 9.58 mm
width 7.62 mm 7.62 mm 7.62 mm
dditional_feature REQUIRES AN AC SUPPLY OF 85 TO 265V REQUIRES AN AC SUPPLY OF 85 TO 265V REQUIRES AN AC SUPPLY OF 85 TO 265V
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