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LNK564P Datasheet(PDF) 1 Page - Power Integrations, Inc.

Part # LNK564P
Description  Energy Effi cient Off-Line Switcher IC for Linear Transformer Replacement
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Manufacturer  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

LNK564P Datasheet(HTML) 1 Page - Power Integrations, Inc.

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I
O
I
R
V
R
V
O
Rated Output Power = V
R IR
PI-3924-011706
LNK562-564
LinkSwitch-LP
Energy Efficient Off-Line Switcher IC for
Linear Transformer Replacement
Figure 1. Typical Application – not a Simplified Circuit (a) and
Output Characteristic Envelope (b).
Product Highlights
Lowest System Cost and Advanced Safety Features
Lowest component count switcher
Very tight parameter tolerances using proprietary IC
trimming technology and transformer construction
techniques enable Clampless™designs – decreases
component count/system cost and increases efficiency
Meets industry standard requirements for thermal overload
protection – eliminates the thermal fuse used with linear
transformers or additional components in RCC designs
Frequency jittering greatly reduces EMI – enables low cost
input filter configuration
Meets HV creepage requirements between DRAIN and all
other pins, both on the PCB and at the package
Proprietary E-Shield™ transformer eliminates Y capacitor
Superior Performance over Linear and RCC
Hysteretic thermal shutdown protection – automatic
recovery improves field reliability
Universal input range allows worldwide operation
Auto-restart reduces delivered power by >85% during
short circuit and open loop fault conditions
Simple ON/OFF control, no loop compensation needed
High bandwidth provides fast turn on with no overshoot
and excellent transient load response
EcoSmart®– Energy Efficiency Technology
Easily meets all global energy efficiency regulations with
no added components
No-load consumption <150 mW at 265 VAC input
ON/OFF control provides constant efficiency to very
light loads – ideal for mandatory CEC regulations
Applications
Chargers for cell/cordless phones, PDAs, power tools,
MP3/portable audio devices, shavers etc.
Standby and auxiliary supplies
Description
LinkSwitch-LP switcher ICs cost effectively replace all
unregulated isolated linear transformer based (50/60 Hz) power
supplies up to 3 W output power. For worldwide operation, a
single universal input design replaces multiple linear transformer
based designs. The self-biased circuit achieves an extremely low
no-load consumption of under 150 mW. The internal oscillator
®
Table 1. Notes: 1. Output power may be limited by specific application
parameters including core size and Clampless operation (see Key
Application Considerations). 2. Minimum continuous power in a typical
non-ventilated enclosed adapter measured at 50
°C ambient. 3. Minimum
practical continuous power in an open frame design with adequate
heat sinking, measured at 50
°C ambient. 4. Packages: P: DIP-8B,
G: SMD-8B. For lead-free package options, see Part Ordering
Information.
frequency is jittered to significantly reduce both quasi-peak and
average EMI, minimizing filter cost.
October 2005
OUTPUT POWER TABLE1
PRODUCT4
230 VAC ±15%
85-265 VAC
Adapter2
Open
Frame3
Adapter2
Open
Frame3
LNK562P or G
1.9 W
1.9 W
1.9 W
1.9 W
LNK563P or G
2.5 W
2.5 W
2.5 W
2.5 W
LNK564P or G
3 W
3 W
3 W
3 W
(a)
(b)
+
D
S
FB
BP
DC
Output
AC
IN
LinkSwitch-LP
PI-3923-092705


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