L5988D View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L5988D

4 A continuous (more than 5 A pulsed) step-down switching regulator with synchronous rectification

STMicroelectronics 

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L5988D

Application information

Figure 27. Demonstration board application circuit (fSW = 600 kHz)

Table 15. Component list application circuit (fSW = 600 kHz)

Reference

Part number

Description

Manufacturer

C1

GRM32ER61E226KE15 Chip capacitor 22 µF 25 V

C10

GRM188R71E105KA12

Chip capacitor 1 µF 25 V

C2A

GRM32ER61C476KE15 Chip capacitor 47 µF 16 V

C8

Chip capacitor 2.2 µF

C3

Chip capacitor 330 nF

C5

Chip capacitor 22 nF

Murata

Murata

C6

Chip capacitor 1 nF

C7

Chip capacitor 10 nF

L1

744 311 330

Inductor 3.3 µH

Wurth elektronik

R1

Chip resistor 12 k ±1%

R2

Chip resistor 3.3 k ±1%

R3

Chip resistor 220 k ±1%

R4

Chip resistor 82 k ±1%

R5

Chip resistor 560  ±1%

R6

Chip resistor 1.1 k±1%

R7

Chip resistor 68  ± 1%

R8

Chip resistor 4.99 k ±1%

R12

Chip resistor 5.6  ±1%

U1

I.C. L5988D

STMicroelectronics

DocID15324 Rev 4

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