TDK-Lambda LS Series User Manual

Manual is about: Compact AC/DC Switching Power Supply

Summary of LS Series

  • Page 1

    Compact ac/dc switching power supply ls series.

  • Page 2

    ・all specifications are subject to change without notice. Ls series are smaller than current models in which can give more flexibility in design. This compact design is ideal for application including indoor display, self service kiosk, and vending machines. High efficiency power output will reduce ...

  • Page 3: Series

    ・all specifications are subject to change without notice. Features • compact size • economical and environmental friendly • wide operating temperatures up to 70°c • low and high voltage full line up ls series single output 25w to 150w applications 医 療 計 測 f a 半導体 その他 ks コンピュータ 通 信 f a 半導体 ph pf-a hk...

  • Page 4: Ls25 Specifications

    ・all specifications are subject to change without notice. Ls 25 model items/units ls25-3.3 ls25-5 ls25-12 ls25-15 ls25-24 ls25-36 ls25-48 input voltage range (*2) v ac88 to 264 or 125 to dc373 (withstand ac300 surge for 5 seconds) frequency (*2) hz 47-63 efficiency(230vac)(typ) (*1) % 75 79 83 84 85...

  • Page 5: Ls25 Outline Drawing

    ・all specifications are subject to change without notice. Ls 25 ls25 outline drawing notes a. Model name, input voltage range, nominal output voltage, maximum output current & country of manufacture are shown in accordance with the specification. B. M3 tapped, embossed & countersunk holes (4) for cu...

  • Page 6: Ls35 Specifications

    ・all specifications are subject to change without notice. Model items/units ls35-3.3 ls35-5 ls35-12 ls35-15 ls35-24 ls35-36 ls35-48 input voltage range (*2) v ac88 to 264 or 125 to dc373 (withstand ac300 surge for 5 seconds) frequency (*2) hz 47-63 efficiency(230vac)(typ) (*1) % 75 78 82 83 84 curre...

  • Page 7: Ls35 Outline Drawing

    ・all specifications are subject to change without notice. Ls35 outline drawing notes a. Model name, input voltage range, nominal output voltage, maximum output current & country of manufacture are shown in accordance with the specification. B. M3 tapped, embossed & countersunk holes (4) for customer...

  • Page 8: Ls50 Specifications

    ・all specifications are subject to change without notice. Ls50 specifications model items/units ls50-3.3 ls50-5 ls50-12 ls50-15 ls50-24 ls50-36 ls50-48 input voltage range (*2) v ac88-264 or dc125-373 (withstand ac300 surge for 5 seconds) frequency hz 47-63 efficiency (230vac)(typ) (*1) % 75 80 84 8...

  • Page 9: Ls50 Outline Drawing

    ・all specifications are subject to change without notice. Ls50 outline drawing notes a. Model name, input voltage range, nominal output voltage, maximum output current & country of manufacture are shown in accordance with the specification. B. M3 tapped, embossed & countersunk holes (4) for customer...

  • Page 10: Ls75 Specifications

    10 ・all specifications are subject to change without notice. Ls75 specifications model items/units ls75-3.3 ls75-5 ls75-12 ls75-15 ls75-24 ls75-36 ls75-48 input voltage range (*2) v ac88-264 or dc125-373 (withstand ac300 surge for 5 seconds) frequency hz 47-63 efficiency (230vac)(typ) (*1) % 75 79 8...

  • Page 11: Ls75 Outline Drawing

    11 ・all specifications are subject to change without notice. Ls 75 ls75 outline drawing 7 ac(l) ac(n) (fg) -v +v voltage adjustment led h v a + - n l Ø3.5 120±0.3 129±1 73.5±0.3 77±0.3 see note b see note b name plate (6.5) (32) 38±1 18±0.3 10 19 28.5 28.5 5-m3.5 (4.5) 6.4 8.0 67.5 8.3 9.5 (18.8) 12...

  • Page 12: Ls100 Specifications

    1 ・all specifications are subject to change without notice. Ls 100 ls100 specifications model items/units ls100-3.3 ls100-5 ls100-12 ls100-15 ls100-24 ls100-36 ls100-48 input voltage range (*2)(*13) v ac88 - 264 or dc125 - 373 (withstand ac300 surge for 5 seconds) frequency (*2) hz 47 - 63 efficienc...

  • Page 13: Ls100 Outline Drawing

    1 ・all specifications are subject to change without notice. Ls 100 ls100 outline drawing 157±0.3 7 5.5 8 ?3.5 97±1 84.5±0.3 159±1 (4.5) (24) 78±0.3 Ø3.5 (15.3) 9.5 8.3 81.7 7-m3.5 ac(l) ac(n) (fg) -v -v +v +v see note a led voltage adjustment (6.5) Ø3.5 150±0.3 (22) 117±0.3 38±1 28.5 19 28.5 name pl...

  • Page 14: Ls150 Specifications

    1 ・all specifications are subject to change without notice. Ls150 specifications ls 150 model items/units ls150-3.3 ls150-5 ls150-12 ls150-15 ls150-24 ls150-36 ls150-48 input voltage range (*2) v ac88 - 132 / ac176 - 264 input selectable or dc248 - 373 (withstand ac300 surge for 5 seconds) frequency...

  • Page 15: Ls150 Outline Drawing

    1 ・all specifications are subject to change without notice. Ls150 outline drawing ac(l) ac(n) (fg) -v -v +v +v 120±0.3 199±1 see note b 190±0.3 157±0.3 28.5 19.5 nameplate 38±1 28.5 Ø3.5 10 18±0.3 see note b 85.5±0.3 7 98±1 Ø3.5 led voltage adjustment see note a 87.4 13.55 see note c 197±0.3 8 (16.4...

  • Page 16: Ls100 Block Diagram

    1 ・all specifications are subject to change without notice. Ls series ls35, ls50, ls75 block diagram l fg n input 88- 264vac fuse +v -v line filter inrush current limiting rectifier smoothing filter flyback switching circuit bias voltage output sensing ovp sensing ovp control circuit primary ocp rec...

  • Page 17: Sequence Time Chart

    1 ・all specifications are subject to change without notice. Ls series sequence time chart input voltage 0v 0v vout input on input on ocp on ocp off input off input off ovp trip ovp point 115%-135% ocp point >110% output voltage ls150 block diagram l n input 88-132vac 176-264vac fuse +v -v line filte...

  • Page 18: Ls Instruction Manual

    1 ・all specifications are subject to change without notice. Ls series ls instruction manual before using the power supply unit ls25, ls35, ls50, ls75 (1) l : input terminal live line (fuse in line) (2) n : input terminal neutral line (3) fg : functional ground (4) -v : -output terminal (5) +v : +out...

  • Page 19

    1 ・all specifications are subject to change without notice. Ls series input voltage range input voltage range is single phase 88 - 264vac (47 - 63hz) or 125 - 373vdc for ls25 to ls100. For ls150, selectable switch 115/230vac will decide the input voltage range as mentioned in the table below. Input ...

  • Page 20

    0 ・all specifications are subject to change without notice. Ls series isolation test isolation resistance between output and fg (chassis) shall be more than 100m Ω at 500vdc. For safety, voltage setting of dc isolation tester must be done before the test. Ensure that the unit is fully discharged aft...

  • Page 21: 5. Mounting Directions

    1 ・all specifications are subject to change without notice. Ls series 5. Mounting directions (a) input - fg (chassis) : solid line 1.5kvac, 1min (20ma) (b) input - output : dotted line 3kvac, 1min ( 20ma ) (c) output - fg (chassis) : 500vac, 1min (100ma) output derating according to the mounting dir...

  • Page 22

    ・all specifications are subject to change without notice. Ls series ls75-3.3, -5 60 45 70 mounting c output derating vs ambient temperature load (%) ambient temperature (ºc) 120 100 80 60 40 20 0 -25 0 25 50 75 100 70 mounting a, b & d ls75-12, -15, -24, -36 & -48 output derating vs ambient temperat...

  • Page 23

    ・all specifications are subject to change without notice. Ls series model recommended wire recommended torque recommended crimp-type terminal d (max) t (max) mounting pieces (max) ls25 awg16-22 m3.0 screws 0.49 n·m (5.0 kgf·cm) 6.0mm 0.8mm 2 piece ls35- ls150 awg14-22 m3.5 screws 1.0 n·m (9.8 kgf·cm...