For LCD-TV Application
LTE238U AC/DC Switching Power Supplies
 Input Specifications:
- Voltage: 90-264 VAC, universal
- Frequency: auto ranging
- Current: 2.85 arms. max@115VDC 238W load / 1.42 arms. max@230VDC 238W load
Output Specifications:
- Output Wattage: 238 watts max. (convection rating)
- Line Regulation: ± 0.5% typical
- Load Regulation: main outputs ± 3%, aux. outputs± 3% typical (note 1)
- Noise & Ripple 1% Typical At Full Load (note 2)
- Overshoot / Undershoot ±10% Max@Turn-On / Turn-Off
Voltage (Vdc) |
Load Range (A) |
Line Regulation |
Load Regulation (Note 1) |
Ripple & Noise (Note 2) |
Min |
Rated |
Max / Peak |
V1 |
+24V |
0A |
6.5A |
- |
±0.5% |
23.28~24.72Vdc
(±3.0%) |
240mVp-p (1%) |
V2 |
+18V |
0A |
4A |
- |
17.46~18.54Vdc
(±3.0%) |
180mVp-p (1%) |
V3 |
+5VSB |
0A |
2.0A |
- |
4.85~5.15Vdc
(±3.0%) |
50mVp-p (1%) |
| Note: |
1. |
Load regulation is tested at min. to 100% of rated load and other outputs are set at 50% of rated load. |
| 2. |
Peak-to-peak for rated load@115Vac, measurements with a 20MHZ bandwidth and terminated with a 10uF electrolytic cap. in parallel with a 0.1uF ceramic cap. |
|
Environmental:
- Operating Temperature: 0°C to 40°C ambient, derated each output at -2.5% per °C from 40°C to 85 °C
- Storage Temperature: -40°C to 85°C
- Humidity: operating, non-condensing, 5% to 95%
- Vibration: random operating 2.4 grms/max. 3 axes 50~500hz 10 minutes / axis
- Shock: operating half sine 20 gpk/max. 3 axes 10ms 6 shocks total
General Specifications:
- Efficiency: @115avc with full load > 80% and 230avc with full load > 80%
- Turn-On Time: @115vac with full load < 3 sec
- Hold-Up Time: @115vac with convection rating >16msec
Electromagnetic Compatibility Specifications:
- EMI Conducted / Radiated: FCC part 15 & CISPR 22, EN55022 & EN55011 class B
- Designed To Meet EN61000-3-2, -3-3, -4-2, -3, -4, -5, -6, -8, -11
- Designed To Meet The Following Standards UL 60950, CUL 60950, TUV EN60950, IEC 60950, CB, CE marked
Connector Types & Pin Assignments:
Connctor Number |
Connector Type |
Connector Mating Type |
Pin Number |
Signal |
AC Inlet
Input |
Rong Feng,
SS-7B-1-A-1 Inlet
or Equivalent |
IEC 320-C15
standard plug
type
|
Pin1
Pin2
Pin3
|
L
E
N |
CON 3
Output |
JST, B 9B-PH-K-S or
Equivalent |
JST, PHR-9 or
Equivalent |
Pin1~5
Pin6~9 |
+5VSB
GND |
CON1,2
Output |
JST, B14B-PH-K-S
or Equivalent |
JST, PHR-15 or
Equivalent |
Pin1~5
Pin6
Pin7~11,15
Pin12~14
Pin13 |
+24V
NC
GND
Bright
Dpwon |
CON4
Output |
JST, B11B-PH-K-S
or Equivalent |
JST, PHR-11 or
Equivalent |
Pin1~5
Pin6~8
Pin9
Pin10
Pin11 |
+18V
GND
Power On
Bright
Dpwon |
Mechanical Specification: I/O Connectors: See Table
|
