Power Supplies

12-10-2010*NGUN MT CHIUGio vin hng dn : Hn Trng ThanhSinh vin thc hin : L Huy Hong Lp : T10 K51

KHOA IN T VIN THNG HBK H NI SEMINAR O LNG T NG IU KHIN

12-10-2010*

KHOA IN T VIN THNG HBK H NINI DUNG

1. Bin i Ngun Xoay Chiu Thnh Mt Chiu1.1 Chnh Lu Na Chu K1.2 Chnh Lu C Chu K

2. Nguyn L Hot ng Ca Mch n p 2.1 n p Hi Tip2.2 n p Xung 2.3 So Snh

12-10-2010*

KHOA IN T VIN THNG HBK H NI1. Bin i Ngun Xoay Chiu Thnh Mt Chiu1.1 Chnh Lu Na Chu K

12-10-2010*

KHOA IN T VIN THNG HBK H NI1. Bin i Ngun Xoay Chiu Thnh Mt Chiu1.2 Chnh Lu C Chu K1.2.1 Dng 2 Diode

12-10-2010*

KHOA IN T VIN THNG HBK H NI1. Bin i Ngun Xoay Chiu Thnh Mt Chiu1.2 Chnh Lu C Chu K1.2.2 Dng 4 Diode

12-10-2010*1. Bin i Ngun Xoay Chiu Thnh Mt Chiu1.2 Chnh Lu C Chu K1.2.2 Dng 4 DiodeKHOA IN T VIN THNG HBK H NI

12-10-2010*

KHOA IN T VIN THNG HBK H NI1. Bin i Ngun Xoay Chiu Thnh Mt Chiu1.3 Mch Chnh Lu Kt Hp T Lc Khi Chnh LuVac in ~Vdc outCTi

12-10-2010*

KHOA IN T VIN THNG HBK H NI1. Bin i Ngun Xoay Chiu Thnh Mt Chiu1.3 Mch Chnh Lu Kt Hp T LcChnh Lu Na Chu K

12-10-2010*

KHOA IN T VIN THNG HBK H NI1. Bin i Ngun Xoay Chiu Thnh Mt Chiu1.3 Mch Chnh Lu Kt Hp T LcChnh Lu C Chu K

12-10-2010*KHOA IN T VIN THNG HBK H NI2. Nguyn L Hot ng Ca Mch n p 2.1 n p Dng Hi Tip (Linear Regulators)2.1.1 n p Kiu Ni Tip (Series)

12-10-2010*KHOA IN T VIN THNG HBK H NI2. Nguyn L Hot ng Ca Mch n p 2.1 n p Dng Hi Tip (Linear Regulators)2.1.1 n p Kiu Song Song (Shunt)

12-10-2010*KHOA IN T VIN THNG HBK H NI2. Nguyn L Hot ng Ca Mch n p 2.1 n p Dng Hi Tip (Linear Regulators)2.1.2 n p Kiu Song Song (Shunt)

12-10-2010*KHOA IN T VIN THNG HBK H NI2. Nguyn L Hot ng Ca Mch n p 2.1 n p Dng Hi Tip2.1.2 IC n p :H 78XXH 79XX

12-10-2010*KHOA IN T VIN THNG HBK H NI2. Nguyn L Hot ng Ca Mch n p 2.1 n p Dng Hi Tip2.1.2 IC n p :


IC LM317


IC LM337

12-10-2010*KHOA IN T VIN THNG HBK H NI2. Nguyn L Hot ng Ca Mch n p 2.2 n p Xung (Switching Regulators)

S n gin ha


Phn Loi :

- Single - ended Isolated Flyback Regulators- Single - ended Isolated Forward Regulators - Half - bridge Regulators- Full - bridge Regulators


- Isolated Flyback Regulator + Gm 4 thnh phn chnhChuyn mch (Transistor )Diode chnh luBin pT lc+ c im Nng lng lu tr trong bin pu ra ch c 1 diode v ch phn cc thun khi chuyn mch ct dng.


Single Ended Flyback


- Single-ended Isolated Forward Regulators+ c im Nng lng khng lu tr trong bin p m lu tr trong cun cm ti u raBin p ch lm nhim v bin i in p.u ra c 2 diode v lun phin phn cc thun.>>> Bin p v t lc u ra yu cu nh hn trng hp flyback regulator.

12-10-2010*KHOA IN T VIN THNG HBK H NI2. Nguyn L Hot ng Ca Mch n p 2.2 n p Xung

Simplied isolated forward regulator


Mch iu khin v iu bin rng xungForward RegulatorVoltage ModeFlyback RegulatorCurrent Mode


C 2 ch iu khin chnh cho ngun xung- Voltage ModeIC : SG1524/25/26/27,TL494/5,MC34060/63- Current ModeIC : UC3840/2/4,UC3825,MC34129,MC34065.

12-10-2010*KHOA IN T VIN THNG HBK H NI2. Nguyn L Hot ng Ca Mch n p 2.3 u Nhc imn p dng hi tip (Linear Regulators) :in p u ra t nhiu, t gn sng.Thch hp vi nhng ng dng yu cu cng sut nh (< 20W) Thit k v thc hin n ginHiu sut khng cao (20 % - 60 %)Ch dng c khi in p n p nh hn in p u vo

12-10-2010*KHOA IN T VIN THNG HBK H NI2. Nguyn L Hot ng Ca Mch n p 2.3 u Nhc imn p xung (Switching Regulators) :in p ra b gn nhiu .Thch hp vi nhng ng dng yu cu cng sut cao (> 20W) Thit k v thc hin phc tpHiu sut cao (70 % - 95 %)Dng c ngay c khi in p n p ln hn in p u voKch thc nh gn

12-10-2010*KHOA IN T VIN THNG HBK H NI

THANK YOU FOR YOUR ATTENTION

******************************

Documents

Power Supplies