Microchip Technology CL1
The CL1 is a high-voltage temperature-compensated, constant-current source. The device is trimmed to provide a constant current of 20 mA ±5% at an input voltage of 45V. This device can be used as a two-terminal constant-current source or constant-current sink.| Part No. | CL1 |
|---|---|
| Datasheet | CL1 Download |
| Manufacturer |  Microchip Technology |
| Description | 90V 20 mA Simple Temperature-Compensated Constant-Current LED Driver IC |
| Buy | Stock & Price |
FEATURES
● 5V-to-90V Operating Range (VA–B)● 20 mA ±5% at 45V (VA–B)
● –8.5 µA/°C Typical Temperature Coefficient
● No External Components (Two-Terminal Device)
● Can be Paralleled for Higher Current
APPLICATIONS
● LED Driver● Industrial Lamp Indicators
● Signage
● Accent Lighting
● Automotive
● Constant-Current Source
● Constant-Current Sink
GENERAL DESCRIPTION
No external components are required. A typical application for the CL1 is to drive LEDs with a constant current of 20 mA. Multiple CL1s can also be used in parallel to provide higher currents, such as 40 mA, 60 mA and 80 mA. The device is available in SOT-89 packages. Package Type See Table 2-1 for pin information. 2018 Microchip Technology Inc. 3-lead SOT-89 (Top view) VA NC VA VB DS20006072A -page 1 CL1 Functional Block Diagram Functional Circuit Diagram VA Equivalent Block Diagram VA Control Circuit and Temperature Compensation 20mA 5% VB VB DS20006072A -page 2 2018 Microchip Technology Inc. Typical Application Circuit...
