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2 schematic, Figure 1–2. schematic diagram, Hardware – Texas Instruments SLVP089 User Manual

Page 11: Schematic 1-3

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Schematic

1-3

Hardware

1.2

Schematic

Figure 1–2. Schematic Diagram

DTC

COMP

R9

RT

OUT

SCP

GND

V CC

6

3

4

7

R9

1

5

FB

+

C1

µ

1 F

R2

C3
0.0022

µ

F

C2

0.033

µ

F

R8

C9

0.22

µ

F

C15

µ

1.0

F

R6

2

8

U1

TL5001

1IN

2OUT

GND

V CC

2

4

5

7

2IN

3

1OUT

V DD

REG

8

6

1

R10

R13

IRF7201

NMOS

Q2

U2
TPS2812

C14

0.1

µ

F

CR3

BAS16ZX

C11

0.47

µ

F

C5

100

µ

F

C10

100

µ

F

+

2

3

4

1

J1

I

V

GND

2

3

4

1

J2

5.5 V to 12 V

Q1
IRF7406
PMOS

C4

µ

0.022 F

R3

R4

CR1

30BQ015

R7

C6
1000 pF

L1

27

µ

H

C12

100

µ

F +

C7

100

+

C13
10

µ

F

µ

F

3.3 V
RTN

+

GND

I

V

3.3 V

RTN

CR2

BAS16ZX

15

121 k

R12 10 k

R11 30 k

90.9 k

1.00 k

1.6 k

R5

10 k

10 k

2.32 k

180

3.3

1 k

Note:

Frequency is set to 100 kHz by R9. See TL5001 data sheet for the curve of oscillator frequency versus timing resistance.