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LNK410E Datasheet Preview

LNK410E Datasheet

LinkSwitch-PH LED Driver IC

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This product is not recommended for new designs.
LNK403-410/413-420
LinkSwitch-PH LED Driver IC Family
Single-Stage PFC, Primary-Side Constant Current Control
and TRIAC Dimming/Non-Dimming Options
Product Highlights
Dramatically Simplifies Off-line LED Drivers
Single-stage combination of power factor correction and
accurate constant-current (CC) output
Enables very long lifetime designs (no electrolytic capacitors)
Eliminates optocoupler and all secondary current control
circuitry
Eliminates control loop compensation circuitry
Simple primary-side PWM dimming interface
Universal input voltage range
LNK403-410 optimized for flicker-free TRIAC dimming
EcoSmart– Energy Efficient
Single-stage PFC combined with output CC control
Greatly increases efficiency, >90% achievable
Reduces component count
No current sense resistors
Low standby power remote ON/OFF feature
(<50 mW at 230 VAC)
Accurate and Consistent Performance
Compensates for transformer inductance variations
Compensates for line input voltage variation
Frequency jittering greatly reduces EMI filter size and cost
Advanced Protection and Safety Features
Auto-restart for short-circuit protection
Open circuit fault detection mode
Automatic thermal shutdown restart with hysteresis
Meets high voltage creepage requirement between DRAIN and
all other signal pins both on PCB and at package
Green Package
Halogen free and ROHS compliant package
Applications
Off-line LED driver
Description
The LinkSwitch™-PH dramatically simplifies implementation of
LED drivers requiring long lifetime, high efficiency, PF >0.9, and
TRIAC dimming capability (LNK403-410). The single-stage
combined power factor and constant-current controller eliminates
a switching stage and the electrolytic bulk capacitor. The
advanced primary-side control used by the LinkSwitch-PH device
provides accurate constant current control while eliminating the
need for an optocoupler and current sensing circuits.
RV
AC
IN D V LinkSwitch-PH
CONTROL
BP
S R FB
Figure 1. Typical Application Schematic.
PI-6543-082211
Output Power Table1,2
Product 5
LNK403/413E/L
LNK404/414E/L
LNK405/415E/L
LNK406/416E/L
LNK407/417E/L
LNK408/418E/L
LNK409/419E/L
LNK410/420E/L
RV = 2 MW
85-132 VAC
Minimum
Output
Power 3
Maximum
Output
Power 4
2.5 W
4.5 W
2.5 W
5.5 W
3.8 W
7.0 W
4.5 W
8.0 W
5.5 W
10 W
6.8 W
13.5 W
8.0 W
20 W
18 W
31 W
RV = 4 MW
85-308 VAC
Minimum
Output
Power 3
Maximum
Output
Power 4
6.5 W
12 W
6.5 W
15 W
8.5 W
18 W
10 W
22 W
12 W
25 W
16 W
35 W
18 W
50 W
40 W
78 W
Table 1. Output Power Table.
Notes:
1. Continuous power in an open frame with adequate heat sinking at device local
ambient of 70 °C.
2. Power level calculated on typical LED string voltage with efficiency >80%.
3.
4.
5.
MPMaiancxikmimaugumem: oeouSutIpPtpu-u7ttCppo,owewSeeIrPrw-w7itFiht.hCCBBPP==1100m0Fm. F.
LNK4x3EG CBP = 10 mF.
LinkSwitch-PH incorporates a 725 V power FET, a continuous-
mode PWM controller, a high-voltage switched current source for
self biasing, frequency jittering, protection circuitry including
cycle-by-cycle current limit and hysteretic thermal shutdown.
eSIP-7C (E Package)
Figure 2. Package Options.
eSIP-7F (L Package)
www.power.com
This Product is Covered by Patents and/or Pending Patent Applications.
June 2015




Power Integrations

LNK410E Datasheet Preview

LNK410E Datasheet

LinkSwitch-PH LED Driver IC

No Preview Available !

LNK403-410/413-420
BYPASS (BP)
VOLTAGE
MONITOR (V)
FEEDBACK (FB)
REFERENCE (R)
BYPASS
CAPACITOR
SELECT
ILIM MI
1V
STOP
LOGIC
3-VT
UV/OV
LINE
SENSE
VBG
5.9 V
REGULATOR
SOFT-START
TIMER
AUTO-RESTART
COUNTER
FAULT
PRESENT
HYSTERETIC
THERMAL
SHUTDOWN
5.9 V
5.0 V
BYPASS PIN
UNDERVOLTAGE
JITTER
CLOCK
OSCILLATOR
Comparator
-
+ DFCBMOAFXF
OCP
Gate
Driver
SenseFet
LEB
+
IV PFC/CC
CONTROL
IFB
MI
CURRENT LIMIT
COMPARATOR
-
ILIM
VSENSE
FEEDBACK
SENSE
6.4 V
FBOFF
DCMAX
REFERENCE
BLOCK
VBG
IS
DRAIN (D)
PI-5431-102610
SOURCE (S)
Figure 3. Functional Block Diagram.
Pin Functional Description
DRAIN (D) Pin:
This pin is the power FET drain connection. It also provides
internal operating current for both start-up and steady-state
operation.
SOURCE (S) Pin:
This pin is the power FET source connection. It is also the
ground reference for the BYPASS, FEEDBACK, REFERENCE and
VOLTAGE MONITOR pins.
BYPASS (BP) Pin:
This is the connection point for an external bypass capacitor for
the internally generated 5.9 V supply. This pin also provides
output power selection through choice of the BYPASS pin
capacitor value.
FEEDBACK (FB) Pin:
The FEEDBACK pin is used for output voltage feedback. The
current into the FEEDBACK pin is directly proportional to the
output voltage. The FEEDBACK pin also includes circuitry to
protect against open load and overload output conditions.
REFERENCE (R) Pin:
This pin is connected to an external precision resistor and is
used to configure for dimming (LNK403-410) and non-TRIAC
dimming (LNK413-420) modes of operation.
VOLTAGE MONITOR (V) Pin:
This pin interfaces with an external input line peak detector,
consisting of a rectifier, filter capacitor and resistors. The
applied current is used to control stop logic for line under-
voltage (UV), overvoltage (OV), provide feed-forward to control
the output current and the remote ON/OFF function.
E Package (eSIP-7C)
(Top View)
Exposed Pad
(Backside) Internally
Connected to
SOURCE Pin
L Package (eSIP-7F)
Exposed Pad
(backside) Internally
Connected to
SOURCE Pin (see
eSIP-7C Package
Drawing)
7D
5S
4 BP
3 FB
2V
1R
135
Lead Bend Outward
from Drawing
R
FB
24
S
V BP
(Refer to eSIP-7F Package
Outline Drawing)
7
D
PI-5432-082411
Figure 4. Pin Configuration.
2
Rev. G 06/15
www.power.com


Part Number LNK410E
Description LinkSwitch-PH LED Driver IC
Maker Power Integrations
Total Page 20 Pages
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