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7447797180 データシート(PDF) 4 Page - Analog Devices |
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7447797180 データシート(HTML) 4 Page - Analog Devices |
4 / 32 page ADP2323 Data Sheet Rev. A | Page 4 of 32 SPECIFICATIONS PVIN1 = PVIN2 = 12 V at TJ = −40°C to +125°C, unless otherwise noted. Table 1. Parameters Symbol Test Conditions/Comments Min Typ Max Units POWER INPUT (PVINx PINS) Power Input Voltage Range V PVIN 4.5 20 V Quiescent Current (PVIN1 + PVIN2) I Q MODE = GND, no switching 3 5 mA Shutdown Current (PVIN1 + PVIN2) I SHDN EN1 = EN2 = GND 50 100 µA PVINx Undervoltage Lockout Threshold UVLO PVINx Rising 4.3 4.5 V PVINx Falling 3.5 3.8 V FEEDBACK (FBx PINS) FBx Regulation Voltage1 V FB PVINx = 4.5 V to 20 V 0.594 0.6 0.606 V FBx Bias Current I FB 0.01 0.1 µA ERROR AMPLIFIER (COMPx PINS) Transconductance g m 230 300 370 µS EA Source Current I SOURCE 25 45 65 µA EA Sink Current I SINK 25 45 65 µA INTERNAL REGULATOR (INTVCC PIN) INTVCC Voltage 4.75 5 5.25 V Dropout Voltage I INTVCC = 30 mA 400 mV Regulator Current Limit 40 75 120 mA SWITCH NODE (SWx PINS) High-Side On Resistance2 V BST to VSW = 5 V 90 130 mΩ SWx Peak Current Limit R ILIM = floating, VBST to VSW = 5 V 4 4.8 5.8 A R ILIM = 47 kΩ, VBST to VSW = 5 V 2.3 3 3.7 A R ILIM = 15 kΩ, VBST to VSW = 5 V 0.8 1.5 2.2 A SWx Minimum On Time3 t MIN_ON 130 ns SWx Minimum Off Time3 t MIN_OFF 150 ns LOW-SIDE DRIVER (DLx PINS ) Rising Time3 C DL = 2.2 nF, see Figure 19 20 ns Falling Time3 C DL = 2.2 nF, see Figure 22 10 ns Sourcing Resistor 4 6 Ω Sinking Resistor 2 4.5 Ω OSCILLATOR (RT PIN) PWM Switching Frequency f SW R OSC = 100 kΩ 530 600 670 kHz PWM Frequency Range 250 1200 kHz SYNCHRONIZATION (SYNC PIN) SYNC Input SYNC configured as input Synchronization Range 300 1200 kHz Minimum On Pulse Width 100 ns Minimum Off Pulse Width 100 ns High Threshold 1.3 V Low Threshold 0.4 V SYNC Output SYNC configured as output Frequency on SYNC Pin f CLKOUT f SW kHz Positive Pulse Time 100 ns SOFT START (SSx PINS) SSx Pin Source Current I SS 2.5 3.5 4.5 µA |
同様の部品番号 - 7447797180 |
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同様の説明 - 7447797180 |
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