AN2946 datasheet(34/38 Pages) STMICROELECTRONICS

34 / 38 page

Overview of demonstration board

AN2946

34/38

Doc ID 15473 Rev 2

R32, R88

NTC, 10 k

(0805), NTC resistor

R34, R107, R108, R116

1 k

(0603), 1%, resistor

R35

(1206), 5%, resistor

R36, R41

10 k

(0603), 1%, resistor

R37

12 k

(0603), 1%, resistor

R38, R39

4.7 k

(0603), 5%, resistor

R102

560

(1206), 5%, resistor

R43

9.1 k

(0603), 1%, resistor

R44, R89, R91, R93

3.3 k

(0603), 1%, resistor

R51

330 k

(0603), 5%, resistor

R52

120

(0603), 5%, resistor

R56, R58, R96

47 k

(0603), 5%, resistor

R57

3.3 k

(0603), 5%, resistor

R66

1 M

(0603), 1%, resistor

R68

1.8 k

(0603), 1%, resistor

R75

150 k

(0805), 1%, resistor

R76, R78, R81, R84

10 k

(0805), 1%, resistor

R77, R80

82 k

(0805), 1%, resistor

R79, R82, R85, R86, R87,

R90, R92, R94

(0603), 5%, resistor

R83

39 k

(0805), 1%, resistor

R98, R99, R100, R103

1 k

(0603), 5%, resistor

R109, R115

20 k

(0603), 1%, resistor

DIP Switch

4 Position DIP Switch

T1 (see Table 6)

33 µH

EER25.5, transformer

BOBITRANS

T2 (see Table 6)

1 mH

Driver transformer

BOBITRANS

U1, U5

LM258D

(SO8 narrow), dual operational amplifiers STMicroelectronics

U2, U4, U8

TS391ILT

(SO), single voltage comparator

STMicroelectronics

U3, U9

TSC101AILT

(SO), current sense IC

STMicroelectronics

L78L12ABD-TR

(SO8 narrow), positive voltage regulator

STMicroelectronics

LM193D

(SO8), dual voltage comparator

STMicroelectronics

U10

STM32F101RXT6

(LQFP64), 32-bit microprocessor

STMicroelectronics

U11

L4931ABD33-TR

(SO8 narrow), linear regulator

STMicroelectronics

8 MHz

(

φ3x8) crystal oscillator

Yuechung

International Corp.

Table 5.

BOM (continued)

Name

Value

Rated

Type

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