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This family consists of our CL family of current regulators and LR family of voltage linear regulators. These voltage regulators can operate from input voltages up to 450V, with fixed and adjustable version sourcing from 10 mA to 50 mA. The current regulators operate up to 220V with currents up to 100 mA. They support a variety of applications including biasing and LED lighting.

The voltage regulators can operate from input voltages up to 450V, fixed and adjustable version sourcing from 10 mA to 50 mA. They support a variety of requirements and applications. Some are designed to provide auxiliary start-up capability for offline switchers, for example, when a repetitive power supply starts or excessive starting power threatens long-term reliability due to excessive heat in traditional IC start-up circuits. They are also used when higher start-up regulator power is required or if this power is required during modes where the switching regulator power is not available.

High-Voltage Linear Voltage and Current Regulators


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Product Status Automotive Recommended 5K Pricing +Vin min (V) +Vin max (V) Vout min (V) Vout max (V) Output Current (mA) Dimming Parallelable Features Packages
CL2 In Production No $0.26 5.0 90 5.0 90 20 External FET Yes -- 3/DPAK, 3/SOT-89, 3/TO-92
CL220 In Production No $0.79 5.0 220 5.0 220 20 External FET Yes -- 3/DPAK, 3/TO-220
CL25 In Production No $0.26 5.0 90 5.0 90 25 External FET Yes -- 3/SOT-89, 3/TO-92
CL320 In Production No $0.78 6.5 90 4.0 90 20 PWM Yes OTP, separate ENABLE pin 8/SOIC
CL325 In Production No $0.79 6.5 90 4.0 90 25 PWM Yes OTP, separate ENABLE pin 8/SOIC
CL330 In Production No $0.80 6.5 90 4.0 90 30 PWM Yes OTP, separate ENABLE pin 8/SOIC
CL520 In Production No $0.33 4.75 90 1.0 90 20 No Yes -- 3/DPAK, 3/TO-92
CL525 In Production No $0.33 4.75 90 1.0 90 25 No Yes -- 3/DPAK, 3/TO-92
CL6 In Production No $0.90 6.5 90 4.0 90 100 No Yes OTP, reverse polarity protection 3/DPAK, 3/TO-220
CL7 In Production No $1.08 6.5 90 4.0 90 100 PWM Yes OTP, reverse polarity protection 8/SOIC
LR12 In Production No $0.82 13.2 100 1.2 88 50 N/A N/A Adj. Output, Current Limiting, OTP 3/DPAK, 3/TO-92, 8/SOIC
LR645 In Production No $0.35 15 450 8.0 12 3 N/A N/A Trimmable Output, Higher Peak Current Capability, 3/SOT-89, 3/TO-220, 3/TO-92, 8/SOIC
LR745 In Production No $0.37 35 450 13.9 18 3 N/A N/A Trimmable Output, Higher Peak Current Capability 3/SOT-89, 3/TO-92
LR8 In Production No $0.43 13.2 450 1.2 440 10 N/A N/A Adj. Output, Overcurrent Limiting, OTP 3/DPAK, 3/SOT-89, 3/TO-92