n OUTPUT CURRENT UP TO A n OUTPUT VOLTAGESOF

Stmicroelectronics

Description

Niveau: Supérieur, Doctorat, Bac+8
L7800 SERIES POSITIVE VOLTAGE REGULATORS November 1999 n OUTPUT CURRENT UP TO 1.5 A n OUTPUT VOLTAGESOF 5; 5.2; 6; 8; 8.5; 9; 12; 15; 18; 24V n THERMAL OVERLOAD PROTECTION n SHORT CIRCUIT PROTECTION n OUTPUT TRANSITION SOA PROTECTION DESCRIPTION The L7800 series of three-terminal positive regulators is available in TO-220 ISOWATT220 TO-3 and D2PAK packages and several fixed output voltages, making it useful in a wide range of applications.These regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. Each type employs internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. 1 2 TO-3 TO-220 ISOWATT220 D2PAK BLOCK DIAGRAM ? 1/25

• peak current


• current change


• mv mv


• thermal resistance


• output voltage


• symbol parameter

Sujets

• Régulation
• Thermal
• Thermal conductivity

Informations

• Publié par: profil-zyak-2012
• Nombre de lectures: 8
• Langue: English

Extrait

BLOCK DIAGRAM

POSITIVE VOLTAGE REGULATORS

n n

OUTPUT CURRENT UP TO 1.5 A OUTPUT VOLTAGES OF 5; 5.2; 6; 8; 8.5; 9; 12; 15; 18; 24V THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION OUTPUT TRANSITION SOA PROTECTION

2

1

 

L7800 SERIES

ISOWATT220

D 2 PAK

TO-220

TO-3

November 1999

1/25

DESCRIPTION The L7800 series of three-terminal positive regulators is available in TO-220 ISOWATT220 TO-3 and D 2 PAK packages and several fixed output voltages, making it useful in a wide range of applications.These regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. Each type employs internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.

n n n

L7800

ABSOLUTE MAXIMUM RATINGS Symbol Parameter V i DC Input Voltage (for V O = 5 to 18V) (for V O  24V)= 20, I o Output Current P to t Power Dissipation T o p Operating Junction Temperature Range (forL7800) (forL7800C) T s t g Storage Temperature Range

THERMAL DATA Symbol Parameter R th j- ca s e Thermal Resistance Junction-case Max R th j- a mb  MaxThermal Resistance Junction-ambient

D 2 PAK TO-220 3 3 62. 5 50

CONNECTION DIAGRAM AND ORDERING NUMBERS(top view)

TO-220 & ISOWATT 220

Type TO-220 D 2 PAK (*) L7805 L7805C L7805CV L7805CD2T L7852C L7852CV L7852CD2T L7806 L7806C L7806CV  L7806CD2T L7808 L7808C L7808CV L7808CD2T L7885C L7885CV L7885CD2T L7809C L7809CV L7809CD2T L7812 L7812C L7812CV  L7812CD2T L7815 L7815C L7815CV L7815CD2T L7818 L7818C L7818CV L7818CD2T L7820 L7820C L7820CV L7820CD2T L7824 L7824C L7824CV L7824CD2T (*) AVAILABLE IN TAPE AND REEL WITH º-TRº SUFFIX

2/25

D 2 PAK

ISOWATT220 L7805CP L7852CP L7806CP L7808CP L7885CP L7809CP L7812CP L7815CP L7818CP L7820CP L7824CP

Value 35 40 I nternally limited I nternally limited -55 t o 150 0 to 150 -65 t o 150

ISOWATT220 4 60

TO-3 L7805T L7805CT L7852CT L7806T L7806CT L7808T L7808CT L7885CT L7809CT L7812T L7812CT L7815T L7815CT L7818T L7818CT L7820T L7820CT L7824T L7824CT

TO-3 4 35

TO-3

Unit V V

o C o C o C

Unit o C/W o C/W

Output Voltage 5V 5V 5. 2V 6V 6V 8V 8V 8. 5V 9V 12V 12V 15V 15V 18V 18V 20V 20V 24V 24V