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ADD5205ACPZ-RL датащи(PDF) 4 Page - Analog Devices |
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ADD5205ACPZ-RL датащи(HTML) 4 Page - Analog Devices |
4 / 16 page ADD5205 Data Sheet Rev. 0 | Page 4 of 16 SPECIFICATIONS VIN = 3.7 V, SHDN = high, TA = −25°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C. Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit SUPPLY Input Voltage Range VIN 2.8 18 V Quiescent Current IQ VIN = 2.8 V to 18 V, not switching 3.4 mA Shutdown Supply Current ISD VIN = 2.8 V to 18 V, SHDN = 0 V 1 μA SWITCH On Resistance RDS(ON) ISW = 100 mA 0.3 Ω Switch Current Limit ICL 1.9 A Leakage Current ILKG 1 μA OSCILLATOR Switching Frequency fOSC 1 MHz Maximum Duty Cycle DMAX 90 % SOFT START Soft Start Time1 1.5 ms CURRENT SOURCE ISET Pin Voltage VSET 1.26 V C_FILTER Pin Voltage VC_FILTER Duty = 100% 0.22 V Adjustable LED Current1 ILED 25 mA Constant Current Sink of 20 mA2 ILED20 RSET = 130 kΩ 19.6 20 20.6 mA Headroom Voltage of 20 mA2 VHR20 RSET = 130 kΩ 0.66 V Current Matching Between Strings2 ILED = 20 mA −2 +2 % LED Current Accuracy of 20 mA2 ILED = 20 mA −3 +3 % Current Source Leakage Current 1 μA SHUTDOWN CONTROL SHDN Voltage High VSHDN _HIGH VIN = 2.8 V to 18 V 1.5 6 V SHDN Voltage Low VSHDN _LOW VIN = 2.8 V to 18 V 0.6 V PWM Control PWM Input Frequency Range1 0.1 kHz PWM Voltage High VPWM_HIGH VIN = 2.8 V to 18 V 1.5 V PWM Voltage Low VPWM_LOW VIN = 2.8 V to 18 V 0.6 V 1 Guaranteed by design. 2 Tested at TA = 25°C. |
Аналогичный номер детали - ADD5205ACPZ-RL |
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Аналогичное описание - ADD5205ACPZ-RL |
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