RC5058 View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

RC5058

High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms

Fairchild Semiconductor 

RC5058

Typical Operating Characteristics (continued)

2.042

2.040

2.038

2.036

2.034

2.030

2.028

2.026

0

25

70

100

Temperature (°C)

PRODUCT SPECIFICATION

Linear Regulator Noise

Time (100µs/div)

Application Circuit

L1

(Optional)

+5V

CIN*

R6

C1

R7

R5

C2

VO

COUT*

C10 C11

Q1

L2

Q2

D1

3.3V IN

Q3

1.5V†

C8

Q4

2.5V†

C9

R2

1

24

2

23

3

22

R1

+12V

C5

VID4

4

U1

21

R3

VID3

5

RC5058 20

C3

VID2

6

19

VID1

7

18

VCC

R4

VID0

8

9

10

11

17

16

15

14

TYPEDET

PWRGD

ENABLE/SS

C6

Q5

C4

12

13

3.3/1.5V

(AGP)†

C7

C12

* Refer to Appendix for values of CIN, COUT,

R5 and R7.

† Adjustable with an external divider.

Figure 1. Typical Application Circuit

(Worst Case Analyzed! See Appendix for Details)

8

REV. 1.0.0 6/30/00

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