Leadtrend LD8105
The LD8105 is built-in with a high-accuracy 1.2V voltage reference, two op-amps and a low-side current sensing circuit in a SOT-26 package. It provides a highly integrated solution for CV (constant voltage) and CC (constant current) dual control. The LD8105 is capable to operate under temperature ranging from -40°C to 105°C.| Part No. | LD8105 |
|---|---|
| Datasheet | LD8105 Download |
| Manufacturer |  Leadtrend |
| Description | Constant Voltage and Constant Current Controller |
| Buy | Stock & Price |
GENERAL DESCRIPTION
FEATURES
● Internal Precision ±1% Voltage Reference● Secondary-side Constant Voltage and Constant Current Control
● Low Quiescent consumption
● Wide VCC operating range 3V to 38V
● Max. 40V voltage rating
● Low external component count
● SOT-26 Package
APPLICATIONS
● LED Lighting Typical Application IREF 1.21V VCC OUT 100mV ISEN LD8105 GND VSEN Fig. 1 Typical Application Circuit -1 Leadtrend Technology Corporation LD8105-DS-00 May 2012 1 DC output LD8105 VCC IREF 1.21V OUT ISEN 100mV LD8105 GND VSEN Fig. 2 Typical Application Circuit -2 DC output Pin Configuration SOT-26 (TOP VIEW) VCC OUT IREF 65 05 YWV pp 12 4 3 Y: W: PP : V05 : Year code (D: 2004, E: 2005…..) Week code Production code LD8105 ISEN GND VSEN Ordering Information Part number Package LD8105GL SOT-26 The LD8105 is Green Packaged. TOP MARK YWV/05 Shipping 3000 /tape & reel Leadtrend Technology Corporation LD8105-DS-00 May 2012 2 Pin Descriptions LD8105 PIN NAME FUNCTION 1 ISEN Current sense pin. The inverting input of the current loop op amp.
