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CAT3636 Datasheet(PDF) 2 Page - Catalyst Semiconductor |
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CAT3636 Datasheet(HTML) 2 Page - Catalyst Semiconductor |
2 / 16 page CAT3636 Doc. No. 5020 Rev. C 2 © 2007 Catalyst Semiconductor, Inc. Characteristics subject to change without notice ABSOLUTE MAXIMUM RATINGS Parameter Rating Unit VIN, LEDx, C1±, C2± voltage 6 V VOUT Voltage 7 V EN/SET Voltage VIN + 0.7V V Storage Temperature Range -65 to +160 °C Junction Temperature Range (1) -40 to +125 °C Lead Temperature 300 °C RECOMMENDED OPERATING CONDITIONS Parameter Range Unit VIN 2.5 to 5.5 V Ambient Temperature Range (1) -40 to +85 °C ILED per LED pin 0 to 32 mA Total Output Current 0 to 192 mA Note : (1) Package thermal resistance is below 50 °C/W when mounted on FR4 board. Typical application circuit with external components is shown on page 1. ELECTRICAL OPERATING CHARACTERISTICS (over recommended operating conditions unless specified otherwise) VIN = 3.6V, EN = High, TAMB = 25°C Symbol Name Conditions Min Typ Max Units IQ Quiescent Current 1x mode, VIN = 4.2V 1.33 x mode, VIN = 3.3V 1.5x mode, VIN = 2.8V 2x mode, VIN = 2.5V 1.5 2.8 3.7 3.8 mA mA mA mA IQSHDN Shutdown Current VEN = 0V 1 µA ILED-ACC LED Current Accuracy 1mA ≤ ILED ≤ 31mA ±3 % ILED-DEV LED Channel Matching LED LEDAVG LED I I I − ±1 % ROUT Output Resistance (open loop) 1x mode, IOUT = 100mA 1.33x mode, IOUT = 100mA 1.5x mode, IOUT = 100mA 2x mode, IOUT = 100mA 0.5 4.5 3.5 6 Ω Ω Ω Ω FOSC Charge Pump Frequency 1.33x and 2x mode 1.5x mode 0.6 0.8 0.8 1.1 1.1 1.4 MHz MHz ISC_MAX Output short circuit Current Limit VOUT < 0.5V 80 mA LEDTH 1x to 1.33x or 1.33x to 1.5x or 1.5x to 2x Transition Thresholds at any LEDxx pin 150 mV VHYS 1.33x to 1x Transition Hysteresis VIN - Highest LED VF 400 mV TDF Transition Filter Delay 500 µs IIN_MAX Input Current Limit VOUT > 1V 450 mA REN/DIM VHI VLO EN/DIM Pin • Internal Pull-down Resistor • Logic High Level • Logic Low Level 1.3 100 0.4 kΩ V V TSD Thermal Shutdown 150 °C THYS Thermal Hysteresis 20 °C VUVLO Undervoltage lockout (UVLO) threshold 2 V |
Similar Part No. - CAT3636_07 |
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Similar Description - CAT3636_07 |
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