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Ltech

Ltech LM-75-12-G1T2 75W 12VDC CV Triac Driver 6.25A

SKU LM-75-12-G1T2
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Overview

LM-75-12-G1T2 is the 12Vdc output model of this series: typical efficiency 87%.

Features

  • Leading edge (Triac), Trailing edge (ELV) phase-cut and Push DIM.
  • With soft-on and fade in function, makes the human vision more comfortable.
  • Dimming range: 0~100%, LED start at 0.1% possible.
  • 0-100% flicker-free, High Frequency Exemption
  • High Efficient driver: efficiency 88%,PF>0.98, THD<6%
  • Innovative thermal management technology, intelligent power life protection.
  • Over load / Over temp. / Short circuit / Over voltage protection, recover automatically.
  • Suitable for internal lights application for Ⅰ/Ⅱ/Ⅲ.
  • 5 years warranty (Rubycon capacitor).

Specifications

LM-75-12-G1T2Specifications from the official datasheetDownload datasheet PDF

OUTPUT

Output voltage
12Vdc
Output voltage range
12Vdc ± 0.5Vdc
Output current
Max. 6.25A
Output power
Max. 75W
Output power range
0~75W
Strobe level
High frequency exemption level.
Dimming range
0~100%, dimming depth: Max. 0.1%
Overload power limitation
≥102%
Ripple & Noise
≤150mV
PWM frequency
3600Hz

INPUT

Dimming interface
Leading edge (Triac), Trailing edge (ELV) phase-cut and Push DIM.
Input voltage
220-240Vac
Frequency
50/60Hz
Input current
0.4A max (230Vac)
Power factor
>0.98 (230Vac, full load)
THD
<6% (230Vac, full load)
Efficiency (typ.)
87%
Inrush current(typ.)
30A (Cold start, 230Vac)
Control surge capability
L-N: 2kV
Leakage current
Max. 0.5mA

ENVIRONMENT

Working temperature
ta: -20 ~ 50°C, tc: 90°C
Working humidity
20 ~ 95%RH, non-condensing
Storage temp., humidity
-40°C ~ 80°C, 10~95%RH
Temp. coefficient
±0.03%/°C(0-50°C)
Vibration
10~500Hz, 2G, 12min./1cycle, 72min. each along X, Y, Z axes

PROTECTION

Over-heat protection
Intelligently adjusting or turning off the output current if the PCB temperature ≥110°C, auto recovers
Over load protection
Shut down the output when current load≥102%, auto recovers
Short circuit protection
Shut down automatically if short circuit occurs, auto recovers
Over voltage protection
Shut down the output when non-load voltage ≥13V, re-power on to recover after fault condition is removed

SAFETY & EMC

Withstand voltage
I/P-O/P: 3750Vac
Isolation resistance
100MΩ (500VDC, 25°C, 70%RH)
Safety standards
IEC/EN61347-1, IEC/EN61347-2-13
EMC emission
EN55015, EN61000-3-2 Class C, IEC61000-3-3
EMC immunity
EN61000-4-2,3,4,5,6,8,11, EN61547
Strobe test standard
IEEE 1789

OTHERS

Dimension
293×43×30mm(L×W×H)
Packing
296×44×33mm(L×W×H)
Weight(G.W.)
350g±10g

Certifications & ratings

Dimming Dept
0.1%
Marked features
Triac/ELV, Push DIM

Technical drawings

LM-75-12-G1T2 Dimensions
Dimensions
LM-75-12-G1T2 Wiring diagram
Wiring diagram
LM-75-12-G1T2 Push dimming
Push dimming
LM-75-12-G1T2 Application of protective cover
Application of protective cover
LM-75-12-G1T2 Relationship diagrams
Relationship diagrams
LM-75-12-G1T2 Efficiency vs Load
Efficiency vs Load
LM-75-12-G1T2 Flicker Test Form
Flicker Test Form

Downloads

FAQ

What type of LED load is the Ltech LM-75-12-G1T2 designed for?

The LM-75-12-G1T2 is a 75W constant-voltage LED driver with a 12V DC output. It is intended for 12V constant-voltage LED lighting applications where phase-cut dimming is required.

What dimming methods does this driver support?

This model supports leading-edge (Triac) and trailing-edge (ELV) phase-cut dimming, along with Push DIM/CCT control. It also offers a 0-100% dimming range and is specified for flicker-free performance to IEEE 1789.

How much power and current can the LM-75-12-G1T2 provide?

The LM-75-12-G1T2 is rated for 75W total output power at 12V DC. Its rated output current is 6.25A.

Is this a good choice for projects that need very low dimming levels?

Yes. Ltech states that this model supports dimming down to very low light levels, with LED start at 0.1% possible. That makes it suitable for applications where smooth low-end dimming performance is important.

What protection features are included in this driver?

This model includes overload, over-temperature, short-circuit, and over-voltage protection. According to the product details, it is designed to recover automatically after protection events.

What operating temperature range is specified for the LM-75-12-G1T2?

The specified ambient operating temperature range is -20°C to 50°C. This makes it suitable for indoor lighting environments that stay within that temperature window.

What warranty comes with this LED driver?

The LM-75-12-G1T2 is a high-quality LED driver designed for reliable performance. It features robust protection circuits and meets international safety standards for long-term operation.

Payment & Security

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Other LM-75 Models

2 other models
ModelPowerVoltageCurrentIP Rating
Ltech LM-75-24-G1T2 75W 24VDC CV Triac Driver 3.125A 75W 24V 3.125A IP20 View
Ltech LM-75-12-G2T2 75W 12VDC CV Triac Driver 6.25A 75W 12V 6.25A IP20 View
View all 38 Ltech Triac Series models
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Ltech LM-75-12-G1T2 75W 12VDC CV Triac Driver 6.25A
Ltech

Ltech LM-75-12-G1T2 75W 12VDC CV Triac Driver 6.25A

Log in to see price

LM-75-12-G1T2 is the 12Vdc output model of this series: typical efficiency 87%.

Features

  • Leading edge (Triac), Trailing edge (ELV) phase-cut and Push DIM.
  • With soft-on and fade in function, makes the human vision more comfortable.
  • Dimming range: 0~100%, LED start at 0.1% possible.
  • 0-100% flicker-free, High Frequency Exemption
  • High Efficient driver: efficiency 88%,PF>0.98, THD<6%
  • Innovative thermal management technology, intelligent power life protection.
  • Over load / Over temp. / Short circuit / Over voltage protection, recover automatically.
  • Suitable for internal lights application for Ⅰ/Ⅱ/Ⅲ.
  • 5 years warranty (Rubycon capacitor).
View product

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