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PAM2861CBR Datasheet(PDF) 4 Page - Diodes Incorporated |
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PAM2861CBR Datasheet(HTML) 4 Page - Diodes Incorporated |
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4 / 12 page  PAM2861 Document number: DSxxxxx Rev. 1 - 1 4 of 12 www.diodes.com July 2013 © Diodes Incorporated PAM2861 A Product Line of Diodes Incorporated Thermal Information Parameter Package Symbol Max Unit Thermal Resistance (Junction to Ambient) TSOT25 θJA 250 °C/W SOT89-5 160 Thermal Resistance (Junction to Case) TSOT25 θJC 130 SOT89-5 45 Electrical Characteristics (@TA = +25°C, VIN = 16V, unless otherwise specified.) Parameter Symbol Test Conditions Min Typ Max Units Input Voltage VIN 6 40 V Output Current ILED RS = 0.3Ω 333 mA RS = 0.1Ω 1 A Shutdown Current ISD VSET Pin Grouded 20 40 µA Quiescent Current without Switching IQ VSET Pin Floating, VIN = 16V 0.6 mA Mean Current Sense Threshold Voltage VSENSE Measured on ISENSE Pin with Respect to VIN 95 100 105 mV Sense Threshold Hysteresis VSENSE_HYS ±13 % ISENSE Pin Input Current ISENSE VSENSE = VIN -0.1 8 µA VSET Range on VSET Pin VEN For DC Dimming 0.3 2.5 V DC Voltage on VSET Pin to Enable VEN(ON) VEN Rising 0.25 V DC Voltage on VSET Pin to Disable VEN(OFF) VEN Falling 0.2 V LX Switch On Resistance RLX @ILX = 100mA 0.3 Ω LX Switch Leakage Current ILX(LEAK) 5 µA Soft Start Time TSS VIN = 16V, CEN = 1nF 1.5 ms Operating Frequency FLX VI = 16V, VO = 9.6V (3 LEDs) L = 47µF, ΔI = 0.25A (ILED = 1A) 233 kHz Recommended Minimum Switch ON Time TON_REC For 4% Accuracy 500 Ns Recommended Maximum Switch Frequency FLX(MAX) 1.0 MHz Max Duty Circle 98 % Recommended Duty Cycle Range DLX 25 75 % Internal Comparator Propagation Delay TPD (Note 1) 45 ns Over Temperature Protection TOTP 150 °C Temp Protection Hysteresis TOTP_HYS 40 °C Current Limit IXL(MAX) Peak Inductor Current 1.5 A Note: 1. Parameters are not tested at production, but guaranteed by design. VSENSE: level A: 95mV to 100mV; level B: 100mV to 105mV. |
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