Datasheet CAT4101 (ON Semiconductor)
| 制造商 | ON Semiconductor |
| 描述 | 1 A Constant-Current LED Driver with PWM Dimming |
| 页数 / 页 | 10 / 1 — Description. http://onsemi.com. D2PAK 5. (TO−263, 5 LEAD). TV SUFFIX. … |
| 文件格式/大小 | PDF / 220 Kb |
| 文件语言 | 英语 |
Description. http://onsemi.com. D2PAK 5. (TO−263, 5 LEAD). TV SUFFIX. CASE 418AH. PIN CONNECTIONS. Features. MARKING DIAGRAM
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文件文字版本
CAT4101 1 A Constant-Current LED Driver with PWM Dimming
Description
The CAT4101 is a constant−current sink driving a string of high−brightness LEDs up to 1 A with very low dropout of 0.5 V at full
http://onsemi.com
load. It requires no inductor, provides a low noise operation and minimizes the number of components. The LED current is set by an external resistor connected to the RSET pin. The LED pin is
D2PAK 5
compatible with high voltage up to 25 V, allowing the driving of long
(TO−263, 5 LEAD)
strings of LEDs. The device ensures an accurate and regulated current
TV SUFFIX
in the LEDs independent of supply and LED forward voltage
CASE 418AH
variation. The PWM/EN input allows the device shutdown and the LED brightness adjustment by using an external pulse width modulation
PIN CONNECTIONS
(PWM) signal. 1 The driver features a thermal shutdown protection that becomes EN/PWM active whenever the die temperature exceeds 150°C. VIN TAB The device is available in a high−power, 5−lead TO−263 package GND offering excellent thermal dissipation characteristics. RSET LED
Features
• (Top View) Accurate 1 A Current Sink • Up to 25 V Operation on LED Pin •
MARKING DIAGRAM
Low Dropout 500 mV at 1 A • LED Current Set by External Resistor • High Resolution PWM Dimming via EN/PWM • “Zero” Current Shutdown Mode CAT4101TV XXXXXXXXX • Thermal Shutdown Protection • TO−263 (D2PAK) 5−lead Package • This Device is Pb−Free, Halogen Free/BFR Free and is RoHS 1 Compliant CAT4101TV = Specific Device Code
Applications
XXXXXXXXX = Internal Traceability • High Power LED up to 1 A • Architectural and General Lighting
ORDERING INFORMATION
• Automotive Lighting
Device Package Shipping
† VCC CAT4101TV−T75 TO−263 750 / 3 V to 25 V LEDs (D2PAK, 5 Lead) Tape & Reel (Pb−Free) 1 A VIN VIN †For information on tape and reel specifications, 5 V including part orientation and tape sizes, please
CAT4101
refer to our Tape and Reel Packaging Specification OFF ON EN/PWM LED Brochure, BRD8011/D. RSETGND 549 W
Figure 1. Typical Application Circuit
© Semiconductor Components Industries, LLC, 2012
1
Publication Order Number:
July, 2012 − Rev. 8 CAT4101/D
Description
The CAT4101 is a constant−current sink driving a string of high−brightness LEDs up to 1 A with very low dropout of 0.5 V at full
http://onsemi.com
load. It requires no inductor, provides a low noise operation and minimizes the number of components. The LED current is set by an external resistor connected to the RSET pin. The LED pin is
D2PAK 5
compatible with high voltage up to 25 V, allowing the driving of long
(TO−263, 5 LEAD)
strings of LEDs. The device ensures an accurate and regulated current
TV SUFFIX
in the LEDs independent of supply and LED forward voltage
CASE 418AH
variation. The PWM/EN input allows the device shutdown and the LED brightness adjustment by using an external pulse width modulation
PIN CONNECTIONS
(PWM) signal. 1 The driver features a thermal shutdown protection that becomes EN/PWM active whenever the die temperature exceeds 150°C. VIN TAB The device is available in a high−power, 5−lead TO−263 package GND offering excellent thermal dissipation characteristics. RSET LED
Features
• (Top View) Accurate 1 A Current Sink • Up to 25 V Operation on LED Pin •
MARKING DIAGRAM
Low Dropout 500 mV at 1 A • LED Current Set by External Resistor • High Resolution PWM Dimming via EN/PWM • “Zero” Current Shutdown Mode CAT4101TV XXXXXXXXX • Thermal Shutdown Protection • TO−263 (D2PAK) 5−lead Package • This Device is Pb−Free, Halogen Free/BFR Free and is RoHS 1 Compliant CAT4101TV = Specific Device Code
Applications
XXXXXXXXX = Internal Traceability • High Power LED up to 1 A • Architectural and General Lighting
ORDERING INFORMATION
• Automotive Lighting
Device Package Shipping
† VCC CAT4101TV−T75 TO−263 750 / 3 V to 25 V LEDs (D2PAK, 5 Lead) Tape & Reel (Pb−Free) 1 A VIN VIN †For information on tape and reel specifications, 5 V including part orientation and tape sizes, please
CAT4101
refer to our Tape and Reel Packaging Specification OFF ON EN/PWM LED Brochure, BRD8011/D. RSETGND 549 W
Figure 1. Typical Application Circuit
© Semiconductor Components Industries, LLC, 2012
1
Publication Order Number:
July, 2012 − Rev. 8 CAT4101/D