manualshive.com logo in svg

Analog Devices DC2851A, User Manual

Share
Download
Analog Devices DC2851A User Manual Download Page 5

 

DC2851A User Guide 

 

LT7200S 

Quad 18V, ±5A 

Synchronous Monolithic 

Step-Down Regulator   

 

www.analog.com 

 

Analog Devices | 5 

 

 

Figure 2. Scope Probe Placement for Measuring Input or Output Voltage Ripple

 

 

Typical Performance Characteristics

 

 

Figure 3. DC2851A Efficiency vs Load Current 

 (VIN = 12V, 1MHz Switching Frequency, DCM Mode) 

 

Summary of Contents for DC2851A

Page 1: ...he low quiescent current shutdown mode with its own TRACK or RUN pin A user selectable MODE SYNC pin on the evaluation kit allows the part to operate in either discontinuous mode for higher efficiency...

Page 2: ...IOUT 0A to 5A per Channel 1 15 1 2 1 25 V VOUT2 Default Output Voltage VIN 12V IOUT 0A to 5A per Channel 1 73 1 8 1 87 V VOUT3 Default Output Voltage VIN 12V IOUT 0A to 5A per Channel 3 17 3 3 3 43 V...

Page 3: ...or output voltage ripple take care to avoid a long ground lead on the oscilloscope probe Measure the output voltage ripple by touching the probe tip directly across the output capacitor See Figure 2...

Page 4: ...DC2851A User Guide LT7200S Quad 18V 5A Synchronous Monolithic Step Down Regulator www analog com Analog Devices 4 Figure 1 Proper Measurement Equipment Setup...

Page 5: ...ithic Step Down Regulator www analog com Analog Devices 5 Figure 2 Scope Probe Placement for Measuring Input or Output Voltage Ripple Typical Performance Characteristics Figure 3 DC2851A Efficiency vs...

Page 6: ...DC2851A User Guide LT7200S Quad 18V 5A Synchronous Monolithic Step Down Regulator www analog com Analog Devices 6...

Page 7: ...s Monolithic Step Down Regulator www analog com Analog Devices 7 Figure 4 DC2851A EMI Performance in CISPR25 Conducted and Radiated Emission Tests VEMI 14V VOUT1 1 2V VOUT2 1 8V VOUT3 3 3V VOUT4 5V IO...

Page 8: ...J105KA T 9 8 C46 C47 C48 C49 C66 C67 C68 C69 CAP 4 7uF X5R 10V 10 0402 TDK C1005X5R1A475K050BC 10 4 C50 C51 C52 C53 CAP 100pF C0G 50V 5 0603 TDK CGA3E2C0G1H101J080AA 11 1 C58 CAP 100uF ALUM ELECT 25V...

Page 9: ...s 1 1 FB1 IND 100 OHMS 100MHz FERRITE BEAD 25 8A 6mOHMS 1812 WURTH ELEKTRONIK 74279226101 2 1 C59 CAP 1uF X5R 25V 10 0402 MURATA GRM155R61E105KA12D 3 4 C60 C61 C64 C65 CAP 0 22uF X5R 25V 10 0402 MURAT...

Page 10: ...JACK FEMALE THT NON INSULATED SWAGE 0 218 KEYSTONE 575 4 4 5 JP1 JP2 JP3 JP4 JP6 CONN HDR MALE 1x3 2m0000m VER T ST THT WURTH ELEKTRONIK 62000311121 5 1 JP5 CONN HDR MALE 2x3 2mm VERT ST THT WURTH ELE...

Page 11: ...DC2851A User Guide LT7200S Quad 18V 5A Synchronous Monolithic Step Down Regulator www analog com Analog Devices 11 Schematic Diagram...

Page 12: ...DC2851A User Guide LT7200S Quad 18V 5A Synchronous Monolithic Step Down Regulator www analog com Analog Devices 12 Schematic Diagram continued...

Page 13: ...nd reliable However no responsibility is assumed by Analog Devices for its use nor for any infringements of patents or other rights of third parties that may result from its use Specifications subject...

Reviews:

No comments

Brands by name

Popular brands

Load more brands