Linear Technology DC1934A Скачать руководство пользователя страница 9 | Manualshive

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Содержание DC1934A

Страница 1: ...elected respec tively by moving JP1 shunt to NON BURST position and adding different signals to SYNC terminal See Quick Start Procedure section for more details L LT LTC LTM Linear Technology the Linear logo μModule and Burst Mode are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners BOARD PHOTO Figure 1 shows the efficiency of ...

Страница 2: ...um Output Current 3 5 A fSW Switching Frequency VIN 12V IOUT 3 5A 1 MHz EFE Efficiency at DC VIN 12V IOUT 2A 93 5 When VIN voltage is low the LTM8053 may skip switching cycles Derating is necessary for certain VIN and thermal conditions Figure 2 LTM8053 Demo Circuit DC1934A Maximum Load Current Derating VIN 12V VIN 24V LOAD CURRENT A 0 001 0 01 0 1 1 10 55 65 75 85 95 EFFICIENCY DC1934A F01 0 LFM ...

Страница 3: ...er output voltage VOUT 5V NOTE If there is no output temporarily disconnect the load to make sure that the load is not set too high or is shorted 6 Once the proper output voltage is established adjust the load within the operating ranges and observe the output voltage regulation ripple voltage efficiency and other parameters 7 JP1 is placed on BURST position by default for the low ripple Burst Mod...

Страница 4: ...4 dc1934af DEMO MANUAL DC1934A Figure 3 Proper Measurement Equipment Setup QUICK START PROCEDURE ...

Страница 5: ... QUICK START PROCEDURE Figure 4 Measuring Output Ripple VOUT GND Figure 5 DC1934A Output Noise Spectrum VIN 12V VOUT 5V IO 3 5A DC1934A F05 INTENSITY dBm 0 20 80 100 120 60 40 FREQUENCY MHz 0 4 5 0 5 1 0 1 5 2 5 2 0 3 0 3 5 4 0 5 0 ...

Страница 6: ...EA 8 1 U1 IC BGA 48L 9X6 25X3 23MM LINEAR TECH LTM8053EY PBF Additional Demo Board Circuit Components 1 0 C2 C9 C11 OPT CAP 0603 2 1 C3 CAP ALUM 22μF 63V SUN ELECT 63CE22BS 3 0 C7 OPT CAP X7R 10μF 50V 10 1210 MURATA GRM32ER71H106KA12L 4 0 C10 OPT CAP X7R 0 1μF 50V 10 0402 TDK C1005X7R1H104K050BB 5 0 L1 OPT INDUCTOR 1 2μH WURTH ELEKTRONIK 74437324012 6 1 R2 RES CHIP 0Ω 1 10W 0603 VISHAY CRCW0603000...

Страница 7: ... SYNC GND GND GND BIAS RUN SHARE BURST NON BURST SEE DEMO MANUAL VIN VIN AUX AUX VOUT VOUT R5 100K C9 OPT JP1 1 2 3 C6 4 7uF 6 3V E4 E7 OPT C1 0 1uF E9 C11 OPT E11 E2 R7 OPT E8 C7 10uF 1210 50V OPT L1 74437324012 OPT E6 C2 OPT E10 GND C4 4 7uF 50V 1206 R3 100K E12 R2 0 R1 41 2K E5 U1 LTM8053EY VIN C6 VIN C3 VIN C4 VIN C5 RUN B6 TR SS B5 RT A5 SHARE A4 GND A6 GND B3 GND C1 GND C2 GND D1 GND D2 GND ...

Страница 8: ...ORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handling or use of...

Страница 9: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Analog Devices Inc DC1934A ...

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