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L4972A/74A

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Abstract: iZ J L4972A L4972AD L4972AD S G S -T H O M S O N 2A SWITCHING REGULATOR ■ ■ ■ . â , L4972A is a stepdown monolithic power switch­ ing regulator delivering 2A at a voltage variable from , O L O G Y S 020 P O W E R D IP (16 + 2 + 2) O R D E R IN G N U M B E R S L4972A (Powerdip) L4972AD L4972AD (S020) the L4972A include reset and power fail for m icro ­ processors, fe e d fo , IN October 1991 DELAY 12U Ui OUT 1/20 271 L4972A -L4972A D A B S O L U T E M ... OCR Scan
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20 pages,
328.17 Kb

L4972A L4972AD TEXT
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Abstract: L4972A 2A SWITCHING REGULATOR 1 2 Features 2A OUTPUT CURRENT , Description The L4972A is a stepdown monolithic power switching regulator delivering 2A at a voltage , PowerDIP20 (16+2+2) SO20 Table 1. Order Codes Part Number Package L4972A DIP20 DIP20 (16+2+20 , of external filter component. Figure 2. Block Diagram May 2005 Rev. 3 1/22 L4972A , connected via a divider for higher voltages. 10 SYNC INPUT Multiple L4972A's are synchronized by ... STMicroelectronics
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22 pages,
1352.77 Kb

SO20 DIP20 ERO Film Capacitor ERO kp 1830 ERO mkt capacitor 470nF 63V MKT L4972A L4972AD L4972AD013TR RESISTOR NETWORK 4.7K 8 pin L4972 L4970A kp 63v capacitor TEXT
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Abstract: L4972A 2A SWITCHING REGULATOR 1 I I I I I I I I I I I I I I 2 Features , MODE OPERATION Description The L4972A is a stepdown monolithic power switching regulator , L4972A DIP20 DIP20 (16+2+20) L4972AD L4972AD SO20 L4972AD013TR L4972AD013TR SO20 in Tape & Reel uses a DMOS output , 2005 Rev. 3 1/22 L4972A Table 2. Pin Description N° Pin 1 BOOTSTRAP A Cboot , Vref FEEDBACK IN. 9 12 N.C. 10 11 Vi SYNC INPUT DIP20 DIP20 2/22 L4972A ... STMicroelectronics
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datasheet

22 pages,
1496.57 Kb

L4972A TEXT
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Abstract: /3T SGS-THOMSON L4972A L4972AD L4972AD 2A SWITCHING REGULATOR For complete specification refer to ' Linear & Switching Voltage Regulators Appi. Manual V ( Order Code AMLISVOREST71 AMLISVOREST71 ) . 2A , TECHNOLOGY PO W ERDIP (16 + 2 + 2) S 020 ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (S020) DESCRIPTION The L4972A is a stepdown monolithic power switch ing regulator delivering 2A at a voltage , obtain very high efficiency and very fast switching times. Features of the L4972A include reset and ... OCR Scan
datasheet

1 pages,
40.14 Kb

L4972A L4972AD AMLISVOREST71 TEXT
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Abstract: L4972A L4972AD L4972AD 2A SWITCHING REGULATOR . . . . . . . . . . . . . . 2A OUTPUT , DESCRIPTION The L4972A is a stepdown monolithic power switching regulator delivering 2A at a voltage variable , POWERDIP (16 + 2 + 2) SO20 ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (SO20) the L4972A , terminal for 5.1V operation; It is connected via a divider for higher voltages. Multiple L4972A's are , frequency. 20 OUTPUT Regulator Output. 3/23 L4972A-L4972AD L4972A-L4972AD CIRCUIT OPERATION The L4972A is ... STMicroelectronics
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datasheet

23 pages,
6933.04 Kb

thomson film capacitors SO20 L4972AD L4972A L4970A ERO Film Capacitor cogema L4972D 58310 TEXT
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Abstract: r= 7 * 7 # » S C S -T H O M S O N R fflD © ^ ( Q )[ iL i© c ir ® (Q ) iO (g i L4972A , i THERMAL SHUTDOWN i CONTINUOUS MODE OPERATION ESCRIPTION he L4972A is a stepdown monolithic power , . Features of LOCK DIAGRAM POWERDIP (16 + 2 + 2) S020 ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (S020) the L4972A include reset and power fail for micro processors, feed forward line regulation , OPERATION The L4972A is a 2A monolithic stepdown switching regu lator working in continuous mode realized in ... OCR Scan
datasheet

20 pages,
706.98 Kb

TEXT
datasheet frame
Abstract: L4972A L4972AD L4972AD ® 2A SWITCHING REGULATOR . . . . . . . . . . . . . . 2A , OPERATION DESCRIPTION The L4972A is a stepdown monolithic power switching regulator delivering 2A at a , TECHNOLOGY POWERDIP (16 + 2 + 2) SO20 ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (SO20) the L4972A include reset and power fail for microprocessors, feed forward line regulation, soft start , Multiple L4972A's are synchronized by connecting pin 10 inputs together or via an external syncr. pulse ... STMicroelectronics
Original
datasheet

23 pages,
6894.64 Kb

SO20 L4972AD L4972A L4970A cogema 4.7k Preset TEXT
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Abstract: L4972A L4972AD L4972AD 2A SWITCHING REGULATOR . . . . . . . . . . . . . . 2A OUTPUT , DESCRIPTION The L4972A is a stepdown monolithicpowerswitching regulator delivering 2A at a voltagevariable , POW ERDIP (16 + 2 + 2) SO20 ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (SO20) the L4972A , SYNC INPUT Multiple L4972A's are synchronized by connecting pin 10 inputs together or via an , Output. 3/23 L4972A-L4972AD L4972A-L4972AD CIRCUIT OPERATION The L4972A is a 2A monolithic stepdown switching ... STMicroelectronics
Original
datasheet

23 pages,
242.38 Kb

SO20 L4972AD L4970A ero 1830 core 58310 MAGNETICS L4972A ERO kp 1830 TEXT
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Abstract: L4972A L4972AD L4972AD 2A SWITCHING REGULATOR . . . . . . . . . . . . . . 2A OUTPUT , DESCRIPTION The L4972A is a stepdown monolithicpower switching regulator delivering 2A at a voltagevariable , POW ERDIP (16 + 2 + 2) SO20 ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (SO20) the L4972A , SYNC INPUT Multiple L4972A's are synchronized by connecting pin 10 inputs together or via an , Output. 3/23 L4972A-L4972AD L4972A-L4972AD CIRCUIT OPERATION The L4972A is a 2A monolithic stepdown switching ... STMicroelectronics
Original
datasheet

23 pages,
398.73 Kb

SO20 L4972AD L4972A L4970A core 58310 MAGNETICS TEXT
datasheet frame
Abstract: L4972A L4972AD L4972AD 2A SWITCHING REGULATOR . . . . . . . . . . . . . . 2A OUTPUT , DESCRIPTION The L4972A is a stepdown monolithicpower switching regulator delivering 2A at a voltagevariable , POW ERDIP (16 + 2 + 2) SO20 ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (SO20) the L4972A , SYNC INPUT Multiple L4972A's are synchronized by connecting pin 10 inputs together or via an , Output. 3/23 L4972A-L4972AD L4972A-L4972AD CIRCUIT OPERATION The L4972A is a 2A monolithic stepdown switching ... STMicroelectronics
Original
datasheet

23 pages,
481.71 Kb

SO20 L4972AD L4972A L4970A ERO Film Capacitor ERO kp 1830 TEXT
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Abstract: discharge current is in the range of about 20mA. Figure 7: Switching frequency vs. Rosc (L4972A/74A). ... STMicroelectronics
Original
datasheet

12 pages,
149.02 Kb

L4970 L4970A 16 to 12v 400W CIRCUIT DIAGRAM SCHEMATIC DIAGRAM POWER SUPPLY 12v 10A amplifier 400W L497X 400w power amplifier circuit diagram TEXT
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Abstract: cycle (fig.9). Figure 7. Switching frequency vs. Rosc (L4972A/74A). Figure 6. Switching frequency ... STMicroelectronics
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13 pages,
366.25 Kb

SR-2 SCHEMATIC DIAGRAM POWER SUPPLY 12v 10A l4970a application L4970A BDC 5A transistor AN487 L497x 400w power amplifier circuit diagram TEXT
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Archived Files

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(L4970A/77A/75A L4970A/77A/75A). Figure 7: Switching frequency vs. R osc (L4972A/74A). APPLICATION NOTE 4/12 Figure 8
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1738.htm
STMicroelectronics 20/10/2000 21.44 Kb HTM 1738.htm
(L4970A/77A/75A L4970A/77A/75A). Figure 7: Switching frequency vs. R osc (L4972A/74A). APPLICATION NOTE 4/12 Figure 8
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1738-v1.htm
STMicroelectronics 02/04/1999 18.81 Kb HTM 1738-v1.htm
(L4970A/77A/75A L4970A/77A/75A). Figure 7: Switching frequency vs. R osc (L4972A/74A). APPLICATION NOTE 4/12 Figure 8
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1738-v2.htm
STMicroelectronics 14/06/1999 18.77 Kb HTM 1738-v2.htm
(L4970A/77A/75A L4970A/77A/75A). Figure 7: Switching frequency vs. R osc (L4972A/74A). APPLICATION NOTE 4/12
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1738-v3.htm
STMicroelectronics 25/05/2000 20.66 Kb HTM 1738-v3.htm
Switching Regulator ICs. Parameter L497X L497X FAMILY L4970A L4970A L4977A L4977A L4975A L4975A L4974A L4974A L4972A L4972AD L4972AD Surf. Mount. corresponds to R9 for L4974A L4974A and L4972A Ry corresponds to R10 for L4970A L4970A, L4977A L4977A and L4975A L4975A Rx corresponds to R7 for L4974A L4974A and L4972A Ry corresponds to R8 for L4970A L4970A, L4977A L4977A and L4975A L4975A The suggested
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1711-v3.htm
STMicroelectronics 25/05/2000 79.09 Kb HTM 1711-v3.htm
Table 2: High Current Switching Regulator ICs. Parameter L497X L497X FAMILY L4970A L4970A L4977A L4977A L4975A L4975A L4974A L4974A L4972A 4.7 6.2 9.1 12 18 Rx corresponds to R9 for L4974A L4974A and L4972A Ry corresponds to R10 for L4970A L4970A, L4977A L4977A and L4975A L4975A Rx corresponds to R7 for L4974A L4974A and L4972A Ry corresponds to R8 for L4970A L4970A, L4977A L4977A and
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1711.htm
STMicroelectronics 20/10/2000 83.97 Kb HTM 1711.htm
Datasheet 2A SWITCHING REGULATOR L4972AD L4972AD L4972A Document Format 1362 06/05/2000 23 Raw Text Format L4972A L4972AD L4972AD DESCRIPTION The L4972A is a stepdown monolithic power switch - ing regulator delivering 2A at a voltage (16 + 2 + 2) the L4972A include reset and power fail for micro - processors, feed forward line component. ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (SO20) 1/23 This is advanced information on a
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1362-v1.htm
STMicroelectronics 22/06/2000 21.34 Kb HTM 1362-v1.htm
ST | 2A SWITCHING REGULATOR L4972A L4972AD L4972AD 2A Text Format L4972A L4972AD L4972AD January 1995 2A SWITCHING REGULATOR . 2A OUTPUT CURRENT . OPERATION DESCRIPTION The L4972A is a stepdown monolithic power switch- ing regulator delivering 2A at a (16 + 2 + 2) the L4972A include reset and power fail for micro- processors, feed forward line ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (SO20) 1/23 This is advanced information on a new product now
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1362.htm
STMicroelectronics 02/04/1999 19.38 Kb HTM 1362.htm
Datasheet 2A SWITCHING REGULATOR L4972AD L4972AD L4972A Document Format 1362 06/05/2000 23 Raw Text Format L4972A L4972AD L4972AD June 2000 TO 200KHz . THERMAL SHUTDOWN . CONTINUOUS MODE OPERATION DESCRIPTION The L4972A is a stepdown fast switching times. Features of BLOCK DIAGRAM POWERDIP (16 + 2 + 2) the L4972A include reset and reduction in the size and cost of external filter component. ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD
/datasheets/files/stmicroelectronics/books/ascii/docs/1362.htm
STMicroelectronics 22/06/2000 22.56 Kb HTM 1362.htm
ST | 2A SWITCHING REGULATOR L4972A L4972AD L4972AD 2A Text Format L4972A L4972AD L4972AD January 1995 2A SWITCHING REGULATOR . 2A OUTPUT CURRENT . OPERATION DESCRIPTION The L4972A is a stepdown monolithic power switch- ing regulator delivering 2A at a (16 + 2 + 2) the L4972A include reset and power fail for micro- processors, feed forward line ORDERING NUMBERS : L4972A (Powerdip) L4972AD L4972AD (SO20) 1/23 This is advanced information on a new product now
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/1362-v2.htm
STMicroelectronics 14/06/1999 19.34 Kb HTM 1362-v2.htm