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LT8584

ETC
Part Number LT8584
Manufacturer ETC
Description PFM step-up DC-DC converters
Published Feb 2, 2012
Detailed Description www.DataSheet.co.kr L T8584 PFM DC-DC L T 8584 LT 8584 、、 、 PFM DC-DC 。 LT 8584 , 。 Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ :95% :300KHz...
Datasheet PDF File LT8584 PDF File

LT8584
LT8584

Overview
www.
DataSheet.
co.
kr L T8584 PFM DC-DC L T 8584 LT 8584 、、 、 PFM DC-DC 。 LT 8584 , 。 Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ :95% :300KHz ：15uA :2.
5V ～5.
0V （ 0.
1V） : ±2.
5% ：0.
9V～5.
0V ， SOT-89 LT8584 X X X Package Type: T: SOT-23-3 F: SOT-23-5 E: SOT-89 Output Voltage: 20: 2.
0V 21: 2.
1V … 54: 5.
4V 55: 5.
5V Ÿ Ÿ 1 ～3 、、LED 、LED 、、MP3 、、、 、、、 、、VCR 、PDA L 47uH 100uF LX EN LT8584LXXE GND VOUT VOUT Co 100uF Cin VIN + - www.
ic108.
com.
cn 1 of 11 Datasheet pdf - http://www.
DataSheet4U.
net/ www.
DataSheet.
co.
kr L T8584 LX Current limiting comparator VOUT + buffer PFM control OSC 300KHz Error Amplifier + - 1.
24V GND EN Chip Enable bandgap Pin Name L T8584 XXT SOT-23-3 L T8584 XXF SOT-23-5 LT 8584 XXE SOT-89 LX VOUT EN GND NC VOUT 3 2 3 1 - 5 2 1 4 3 LX 5 3 2 1 GND 4 (SOT-23-3) 1 GND 2 LX 1 EN (SOT-23-5) 2 VOUT 3 NC 1 GND (SOT-89) 2 VOUT 3 LX www.
ic108.
com.
cn 2 of 11 Datasheet pdf - http://www.
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net/ www.
DataSheet.
co.
kr ESD Vmax ILXmax Psot-89 Tmin-max Tstorage VESD L T8584 8 1000 0.
5 -20-85 -40-165 2000 V mA W o o VOUT V LX LX SOT-89 C C V △VOUT VINMAX VSTART VHOLD DCOSC η ILIMIT IIN0 VIN=1.
8V VOUT=3.
0V 600 ILOAD=1mA, VIN:0 → 2V ILOAD=1mA, VIN:2 → 0V -2.
5 0.
9 2.
5 5.
0 0.
8 % V V V % 0.
6 85 90 800 15 94 1000 % mA uA www.
ic108.
com,cn 3 of 11 Datasheet pdf - http://www.
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kr L T8584 (Cin=Co=100uF, L=47uH) Output Current VS.
Startup Voltage 1.
4 Startup Voltage (V) 1.
2 1 0.
8 0.
6 0.
4 0.
2 0 1 10 Output Current (mA) 100 Output Current VS.
Output Voltage 3.
40 3.
38 3.
36 3.
34 3.
32 3.
30 3.
28 3.
26 3.
24 3.
22 3.
20 1 Output Voltage (V) VIN= 1V 1.
5V 2V 2.
5V 3V 10 100 Output Current (mA) 1000 www.
ic108.
com.
cn 4 of 11 Datasheet pdf - http://www.
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DataSheet.
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kr L T8584 Output Current VS.
Efficiency 96.
0 94.
0 Efficiency (%) 92.
0 90.
0 88.
0 86.
0 84.
0 82.
0 80.
0 1 VIN= 2V 1V 1.
5V 2.
5V 3V 10 100 Output Current (mA) 1000 VIN= 1V www.
ic108.
c...


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