Moteur de recherche de fiches techniques de composants électroniques
Selected language     French  ▼
Nom de la pièce
         Description


UPC1934 Datasheet(Fiches technique) 15 Page - NEC

Numéro de pièce UPC1934
Description  DC-DC CONVERTER CONTROL IC
Télécharger  20 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricant  NEC [NEC]
Site Internet  http://www.nec.com/
Logo 

 15 page
background image
Data Sheet G13567EJ3V0DS00
15
µµµµ PC1934
4.
APPLICATION EXAMPLE
4.1
Application Example
Figure 4-1 shows an example circuit for obtaining
±5 V/50 mA from a +3 V power supply.
Figure 4-1 Chopper-Method Step-up/Inverting-Type Switching Regulator
4.2
List of External Parts
The list below shows the external parts.
Table 4-1 List of External Parts
Symbol
Parameter
Function
Part number
Maker
Remark
C2
10
µ F
Input stable capacitor
25SC10M
SANYO
OS-CON, SC series
C14
68
µ F
Output capacitor
20SA68M
SANYO
OS-CON, SA series
D11
Schottkey diode
D1FS4
SHINDENGEN
L11
100
µ H
Choke inductor
636FY-101M
TOKO
D73F series
Q11, Q12
Buffer transistor
µ PA609T
NEC
Transistor array
Q13
Switching transistor
2SB1572
NEC
C21
68
µ F
Output capacitor
20SA68M
SANYO
OS-CON, SA series
D21
Schottkey diode
D1FS4
SHINDENGEN
L21
100
µ H
Choke inductor
636FY-101M
TOKO
D73F series
Q21, Q22
Buffer transistor
µ PA609T
NEC
Transistor array
Q23
Switching transistor
2SD2403
NEC
Remarks 1.
The capacitors that are not specified in the above list are multilayer ceramic capacitors.
2.
The resistors that are not specified in the above list are 1/4W resistors.
4
123
8
567
13
16
15
14
9
12
11
10
µ F
CH2
VO = +5.0 V
IO = 50 mA
CH1
VO =
−5.0 V
IO = 50 mA
GND
GND
R21
47 k
C24
68
µ H
µ F
C14
68
R22
5 k
R214
10 k
R12
20 k
R11
5.1 k
R111
470
R111
10
R212
10
R210
470
R211
24 k
R24
2 k
R23
12 k
R18
12 k
R18
2 k
R18
12 k
R16 10 k
R17
5 k
R19
80
R29
510
RT
R111
100
C23
100 pF
CT
100 pF
C11 1
C11
C23
3300 pF
C23
3300 pF
5.1 k
R25
12 k
R15
12 k
R26
10 k
R27
5 k
R28
15 k
C2 10
C1 1
R113 10 k
R112 20
D21
Q23
Q23
Q23
Q11
Q13
Q12
D11
C113
100 pF
L11
100
µ H
L11
100
µ F
µ F
µ F
µ F
µPC1934
0.1
C21
µ F
1
CDLY
µ F
0.1
II1
CT
RT
IN1
GND
FB1 DTC1 OUT1
II2
VREF DLY
IN2
VCC
FB2 DTC2 OUT2
VIN = 3 V
COM




Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 


Datasheet Download



Numéro de composants électroniques

Numéro de pièceDescription des composantsHtml ViewFabricant
AN8011S2-channel step-down step-up or inverting use DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8013SHSingle-channel step-up or step-down DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AMC34063DC-DC CONVERTER CONTROL CIRCUITS 1 2 3 4 5 MoreList of Unclassifed Manufacturers
AN8014SStep-down step-up or inverting DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8049FHN1.8-volt 3-channel step-up step-down and polarity inverting DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8015SHSingle-channel step-down step-up or inverting use DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8049SH1.8-volt 3-channel step-up step-down and polarity inverting DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
AN8016NSHSingle-channel 1.8-volt step-up DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor
SI9124500-kHz Push-Pull DC-DC Converter With Integrated Secondary Synchronous Rectification Control 1 2 3 4 5 MoreVishay Siliconix
AN8017SA1.8-volt 2-channel step-up DC-DC converter control IC 1 2 3 4 5 MorePanasonic Semiconductor

Lien URL

AllDATASHEET vous a-t-il été utile ?   [ DONATE ]  

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Favoris   |   Echange de liens   |   Fabricants
All Rights Reserved © Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  , Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp  |   Russian : Alldatasheetru.com
Korean : Alldatasheet.co.kr   |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com  |   Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl