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K Series with PFC Data Sheet
150 – 280 Watt AC-DC Converters
Part Number Description
Operating input voltage V i :
85 – 264 VAC ............................................................ LK
187 – 255 VAC ........................................................ LKP
Number of outputs (4 = single, 5 = double) ................... 4, 5
Single-output models:
Nominal voltage output 1 (main output) , V o1 nom
5.1 V ..................................................................... 0, 1, 2
12 V ............................................................................. 3
15 V ......................................................................... 4, 5
24 V ............................................................................. 6
Other voltages 1 ....................................................... 7, 8
Other specifications (single-output models) 1 .... 21 – 9 9
Double-output models:
Nominal voltage output 1 and 2
12 V, 12 V ............................................................................................... 20
15 V, 15 V ............................................................................................... 40
24 V, 24 V ................................................................... 60
Other specifications or additional features 1 ..... 70 – 99
Operational ambient temperature range T A :
–25 to 71 °C ............................................................... -7
–40 to 71 °C ................................................................ -9
–25 2 to 60 °C .............................................................. -6
–25 2 to 50 °C .............................................................. -5
Other 1 ......................................................................... -0
Auxiliary functions and options:
Inrush current limitation ............................................. E 2
Output voltage control input ....................................... R 3
Potentiometer (output voltage adjustment) ................ P 3
Undervoltage monitor (D0 – DD, to be specified) ...... D 4
ACFAIL signal (V2, V3, to be specified) .................... V 4
Current share .............................................................. T
H15S4 connector (rather then H15S2) ..................... K 5
Cooling plate standard case ............................ B or B1
Cooling plate for long case 220 mm 1 ...................... B2
RoHS-compliant for all 6 substances ...................... G 6
LK 5 5 40 -9 E P D3 T K B1
1
2
3
4
5
6
Customer-specific models
Option E is mandatory for all -9 models. Models with -5E or -6E are functional down to –40 °C.
Feature R excludes option P and vice versa. Option P is not available for battery charger models.
Option D excludes option V and vice versa; option V is available for models with 5.1 V output only (LK4003, etc.).
Option K is available for models with 5.1 V output only (LK4002, LK4003, etc.) to ensure compatibility with LK1001 models.
G is always placed at the end of the part number.
Example: LK5540-9EPD3T B1: Power factor corrected AC-DC converter, operating input voltage range 85 – 264 VAC,
2 electrically isolated outputs, each providing 15 V, 5 A, equipped with inrush current limiter, a potentiometer to
adjust the output voltages, undervoltage monitor D3, current share feature, and a cooling plate B1.
Product Marking
Basic type designation, applicable approval marks, CE
mark, warnings, pin designation, Power-One patents and
company logo, identification of LEDs, test sockets, and
potentiometer.
Specific type designation, input voltage range, nominal
output voltages and currents, degree of protection, batch
no., serial no., and data code including production site,
modification status, and date of production.
BCD20001-G Rev AC, 16-Dec-2010
Page 3 of 29
www.power-one.com
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