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LT8685SRVPBF データシート(PDF) 22 Page - Analog Devices |
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LT8685SRVPBF データシート(HTML) 22 Page - Analog Devices |
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22 / 24 page ![]() LT8685S 22 Rev. 0 For more information www.analog.com TYPICAL APPLICATIONS 2.2µF 2.2µF 4.7µF 0.1µF 0.1µF 31.6k 47µF 10.2k 0.1µF 0.1µH 100µF ×3 0.1µF 22.6k 0.8µH** 12.7k 100µF 10.2k 1.2µH** 4.7µF 499k 499k 499k 10nF 10nF 10nF BST3 SW3 FB3 BST4 SW4 FB4 BIAS BST1 SW1 FB1 BST2 SW2 FB2 EN/UVLO EN2 VIN1 VIN2 VIN3 VIN4 4V TO 42V TRK/SS4 TRK/SS3 TRK/SS2 TRK/SS1 RT SYNC/MODE OUT1 3.3V, 2.5A* VIN OUT3 0.7V, 8A GND OUT2 1.8V, 2.5A LT8685S INTVCC EN3 PG4 PG3 PG2 PG1 INTVCC EN4 *CURRENT AVAILABLE FROM OUT1: 2.5A – IVIN3 – IVIN4 OUT1 8685S TA03a **INDUCTOR VALUES CHOSEN FOR VIN = 12V STARTUP SEQUENCE: VIN HIGH ENABLES OUT1 VOUT1 IN REGULATION ENABLES OUT3,4 VOUT3,4 IN REGULATION ENABLES OUT2 2ms/DIV VIN 10V/DIV VOUT1 2V/DIV VOUT3,4 1V/DIV VOUT2 1V/DIV 8685S TA03b Startup Sequencing Startup Sequencing Compact Microcontroller Power Supply with Supply Sequencing High Efficiency Quad Output Regulator Suitable for Driving Multiple LDO’s or Remote Circuitry 4.7µF 4.7µF 4.7µF 0.1µF 0.1µF 1M 47µF 97.6k 2.2pF 0.1µF 2.2µH 787k 100µF ×2 499k 4.7pF 0.1µF 1.2µH 261k 100µF ×2 909k 10pF 133k 0.1µF 8.2µH** 953k 47µF 154k 2.2pF 5.6µH** 1M 124k 22nF 22nF 22nF 22nF 499K BST3 SW3 FB3 BST4 SW4 FB4 BIAS BST1 SW1 FB1 BST2 SW2 FB2 EN/UVLO EN2 VIN1 VIN2 EN3 EN4 VIN3 VIN4 10V TO 42V PG4 PG3 PG2 PG1 RT SYNC/MODE OUT1 9V, 2.5A INTVCC OUT4 0.9V, 4A VIN OUT3 1.8V, 4A GND OUT2 5.75V, 2.5A* LT8685S TRK/SS4 TRK/SS3 TRK/SS2 TRK/SS1 *CURRENT AVAIALBLE FROM OUT2: 2.5A – IVIN3 – IVIN4 – IBIAS OUT2 2.2µF 8685S TA04a **INDUCTOR VALUES CHOSEN FOR VIN = 12V STARTUP SEQUENCE: VIN HIGH ENABLES OUT1 AND OUT2 V AND OUT4 OUT2 IN REGULATION ENABLES OUT3 5ms/DIV VIN 10V/DIV VOUT1 5V/DIV VOUT2 5V/DIV VOUT3 1V/DIV VOUT4 1V/DIV 8685S TA04b |
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