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L4970A STMicroelectronics 10 A switching regulator visit Digikey

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l4970a Datasheet

Part Manufacturer Description PDF Type
L4970A STMicroelectronics Varactor Diode Original
L4970A STMicroelectronics 10A SWITCHING REGULATOR Original
L4970A STMicroelectronics 10A SWITCHING REGULATOR Original
L4970A STMicroelectronics HIGH CURRENT SWITCHING REGULATORS Original
L4970A STMicroelectronics EASY APPLICATION DESIGN WITH THE L4970A, MONOLITHIC DC-DC CONVERTERS FAMILY Original
L4970A STMicroelectronics 10A SWITCHING REGULATOR Scan
L4970A STMicroelectronics 10A SWITCHING REGULATOR Scan

l4970a

Catalog Datasheet MFG & Type PDF Document Tags
Abstract: Figure 35: 10A Switching Regulator, Adjustable from 0V to 25V. 18/21 L4970A Figure 36: L4970A's , L4970A 10A SWITCHING REGULATOR 10A OUTPUT CURRENT 5.1V TO 40V OUTPUT VOLTAGE RANGE 0 TO 90 , SWITCHING FREQUENCY UP TO 500KHz THERMAL SHUTDOWN CONTINUOUS MODE OPERATION DESCRIPTION The L4970A is a , . MULTIPOWER BCD TECHNOLOGY Multiwatt15V ORDERING NUMBER: L4970A Realized with BCD mixed technology, the , . Features of the L4970A include reset and power fail for microprocessors, feed forward line regulation STMicroelectronics
Original
l4970a application COGEMA 949178 40uH swiching power pwm circuits 949178 V11R Eyf ROE 3300uf 500KH
Abstract: /=7 SGS-THOMSON L4970A 10A SWITCHING REGULATOR For complete specification refer to" Linear & , L4970A is a stepdown monolithic power switching regulator delivering 10A at a voltage variable from 5.1 to 40V. BLOCK DIAGRAM MULTIPOWER BCD TECHNOLOGY Multiwatt15V ORDERING NUMBER: L4970A Realized , very fast switching times. Features of the L4970A include reset and power fail for microprocessors , . REFERENCE UOLTAGE rO -
OCR Scan
10A Switching Regulator MULTIWATT15V power regulator 10A L49Z9-9 7T2T237
Abstract: audio amplifier example). For the DC-DC converter section, two devices of the L4970A family have been used, with the relative evaluation boards. L4970A to deliver 12V 10A and L4977A to deliver 24V 5A , : 220Vac ±20% output power : 120W Vo = 12V 10A with L4970A Vo = 24V 5A with L4977A The system block , components, power MOS and freewheeling diode. Considering the max. operating input voltage of the L4970A , (AN557, Easy Application Design with the L4970A, Monolithic DC-DC Converters Family). DC-DC CONVERTER STMicroelectronics
Original
SCHEMATIC DIAGRAM POWER SUPPLY 12v 5A SCHEMATIC DIAGRAM POWER SUPPLY 12v 10A ROE capacitor 220 schematic diagram converter 12v to 24v ROE ELECTROLYTIC CAPACITOR 220VAC to 24Vac transformer AN825 D95IN291
Abstract: Figure 36: L4970A's Sync. Example L4970A L4970A/77A/75A ( )FOR L4974A/72A 13 SYNC SYNC 13 , SGS-THOMSON L4970A 10A SWITCHING REGULATOR â  10A OUTPUT CURRENT â  5.1V TO 40V OUTPUT , SHUTDOWN â  CONTINUOUS MODE OPERATION DESCRIPTION The L4970A Is a stepdown monolithic power switching , Multiwatt15V ORDERING NUMBER: L4970A Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times. Features of the L4970A include reset -
OCR Scan
154SCT L7905 bst ekr 500 plus bst ekr 500 bst ekr 1000 transistor L7905 LA378-43 L4974A H91L49 77071-A7 300UH 7793S-A7
Abstract: Figure 35: 10A Switching Regulator, Adjustable from 0V to 25V. 18/21 L4970A Figure 36: L4970A's , ® L4970A 10A SWITCHING REGULATOR 10A OUTPUT CURRENT 5.1V TO 40V OUTPUT VOLTAGE RANGE 0 TO , SWITCHING FREQUENCY UP TO 500KHz THERMAL SHUTDOWN CONTINUOUS MODE OPERATION DESCRIPTION The L4970A is a , . MULTIPOWER BCD TECHNOLOGY Multiwatt15V ORDERING NUMBER: L4970A Realized with BCD mixed technology, the , . Features of the L4970A include reset and power fail for microprocessors, feed forward line regulation STMicroelectronics
Original
KP1830 MP1830
Abstract: 0V to 25V. 18/21 L4970A Figure 36: L4970A's Sync. Example 19/21 L4970A mm DIM , ® L4970A 10A SWITCHING REGULATOR 10A OUTPUT CURRENT 5.1V TO 40V OUTPUT VOLTAGE RANGE 0 TO , SWITCHING FREQUENCY UP TO 500KHz THERMAL SHUTDOWN CONTINUOUS MODE OPERATION DESCRIPTION The L4970A is a , . MULTIPOWER BCD TECHNOLOGY Multiwatt15V ORDERING NUMBER: L4970A Realized with BCD mixed technology, the , . Features of the L4970A include reset and power fail for microprocessors, feed forward line regulation STMicroelectronics
Original
63VL 24v 12v 10A regulator v11f
Abstract: L4970A Figure 36: L4970Aâ'™sSync. Example L 4 9 7 0 ft/7 7 ft/7 5 ft t IFOR L 4 9 7 4 A / 7 2 A , SWITCHING FREQUENCY UP TO 500KHz THERMAL SHUTDOWN CONTINUOUS MODE OPERATION DESCRIPTION The L4970A is , 40V. BLOCK DIAGRAM MULTIPOWER BCD TECHNOLOGY Multiwatt15V ORDERING NUMBER: L4970A Realized , very fast switching times. Features of the L4970A include reset and power fail for mi­ croprocessors , components. November 1991 1/21 7^ 2=1237 DÃL.74Ã"2 Obb L4970A ABSOLUTE MAXIMUM RATINGS -
OCR Scan
HU27
Abstract: : L4970A'sSync. Example 19/21 L4970A MULTIWATT15 PACKAGE MECHANICAL DATA DIM. mm MIN. TYP , L4970A 10A SWITCHING REGULATOR 10A OUTPUT CURRENT 5.1V TO 40V OUTPUT VOLTAGE RANGE 0 TO 90 , SWITCHING FREQUENCY UP TO 500KHz THERMAL SHUTDOWN CONTINUOUS MODE OPERATION DESCRIPTION The L4970A is a , . MULTIPOWER BCD TECHNOLOGY Multiwatt15V ORDERING NUMBER: L4970A Realized with BCD mixed technology, the , . Features of the L4970A include reset and power fail for microprocessors, feed forward line regulation STMicroelectronics
Original
47k preset variable resistor TRANSISTOR BCD 109
Abstract: , NH 03063 I SGS-THOMSON L4970A 10A SW ITCHING REGULATOR For complete specification refer , : L4970A DESCRIPTION The L4970A is a stepdown monolithic power switching regulator delivering 10A at a , L4970A include reset and power fail for microprocessors, feed forward line regulation, soft start -
OCR Scan
Abstract: ® L4970A 10A SWITCHING REGULATOR 10A OUTPUT CURRENT 5.1V TO 40V OUTPUT VOLTAGE RANGE 0 TO , SWITCHING FREQUENCY UP TO 500KHz THERMAL SHUTDOWN CONTINUOUS MODE OPERATION DESCRIPTION The L4970A is a , . MULTIPOWER BCD TECHNOLOGY Multiwatt15V ORDERING NUMBER: L4970A Realized with BCD mixed technology, the , . Features of the L4970A include reset and power fail for microprocessors, feed forward line regulation , . Details are subject to change without notice. L4970A ABSOLUTE MAXIMUM RATINGS Symbol Parameter -
Original
12v 6A variable power supply diagram 1803 5a 200KH
Abstract: : L4970A'sSync. Example 19/21 L4970A MULTIWATT15 PACKAGE MECHANICAL DATA DIM. mm MIN. TYP , L4970A 10A SWITCHING REGULATOR 10A OUTPUT CURRENT 5.1V TO 40V OUTPUT VOLTAGE RANGE 0 TO 90 , SWITCHING FREQUENCY UP TO 500KHz THERMAL SHUTDOWN CONTINUOUS MODE OPERATION DESCRIPTION The L4970A is a , . MULTIPOWER BCD TECHNOLOGY Multiwatt15V ORDERING NUMBER: L4970A Realized with BCD mixed technology, the , . Features of the L4970A include reset and power fail for microprocessors, feed forward line regulation STMicroelectronics
Original
ekr 500 plus 12v 10A regulator variable resistor 4.7k
Abstract: example). For the DC-DC converter section, two devices of the L4970A family have been used, with the relative evaluation boards. L4970A to deliver 12V 10A and L4977A to deliver 24V 5A. The chosen , : 120W Vo = 12V 10A with L4970A Vo = 24V 5A with L4977A The system block diagram is shown in Fig , freewheeling diode. Considering the max. operating input voltage of the L4970A/77A of 50V, the typ. value of , Design with the L4970A, Monolithic DC-DC Converters Family). DC-DC CONVERTER BLOCK DESCRIPTION The STMicroelectronics
Original
24v center tapped transformer roe EYF 3300uf 120w audio power amplifier circuit Eyf 06 ROE ROE capacitor EYF
Abstract: L4970A igure 36: L4970A's Sync. Example L49?0A L4970A/77A/75A t IFOR L4974A/72A 13 1 2 SYNC , /= T * 7 / S G S -T H O M S O N H d g M K i 5 L4970A 10A SW ITCHING REGULATOR 10A OUTPUT , DESCRIPTION The L4970A is a stepdown monolithic power switching regulator delivering 10A at a voltage /ariable , transistor to obtain very high efficiency and very fast switching times. Features of the L4970A include reset , size and cost of external filter components. 251 L4970A ABSOLUTE MAXIMUM RATINGS Symbol V9 v9 -
OCR Scan
transistor f131 I10H L4970 1L4979-S 77935-A7 L4970A/77A/75A H91L4970-45
Abstract: audio amplifier example). For the DC-DC converter section, two devices of the L4970A family have been used, with the relative evaluation boards. L4970A to deliver 12V 10A and L4977A to deliver 24V 5A , : 220Vac ±20% output power : 120W Vo = 12V 10A with L4970A Vo = 24V 5A with L4977A The system block , components, power MOS and freewheeling diode. Considering the max. operating input voltage of the L4970A , (AN557, Easy Application Design with the L4970A, Monolithic DC-DC Converters Family). DC-DC CONVERTER STMicroelectronics
Original
diagram Converter 24v to 12v transformer 220 12v 50V Center Tapped 5 Amp Transformer ERO mkt 24VAC to 220Vac transformer 12v dc to 220 ac transformer
Abstract: example). For the DC-DC converter section, two devices of the L4970A family have been used, with the relative evaluation boards. L4970A to deliver 12V 10A and L4977A to deliver 24V 5A. The chosen , : 120W Vo = 12V 10A with L4970A Vo = 24V 5A with L4977A The system block diagram is shown in Fig , freewheeling diode. Considering the max. operating input voltage of the L4970A/77A of 50V, the typ. value of , Design with the L4970A, Monolithic DC-DC Converters Family). DC-DC CONVERTER BLOCK DESCRIPTION The STMicroelectronics
Original
24v, 5A transformer schematic diagram dc-dc schematic diagram dc to ac converter
Abstract: DC-DC converter section, two devices of the L4970A family have been used, with the relative evaluation boards. L4970A to deliver 12V 10A and L4977A to deliver 24V 5A. The chosen switching frequency is , implement. ELECTRICAL SPECIFICATION mains voltage: 220Vac ±20% output power : 120W Vo = 12V 10A with L4970A , the max. operating input voltage of the L4970A/77A of 50V, the typ. value of the output voltage of the , refer to the datasheets and application note (AN557, Easy Application Design with the L4970A, Monolithic STMicroelectronics
Original
Power Factor corrector L4981 ELECTROLYTIC capacitor, 3300uf 6.3v DZ18V capacitor 3300uf 63v 220 AC to 12V dc transformer
Abstract: L4970A (10A) / L4977A (7A) Switching Regulator - Datasheet 124mm 84mm Serigraphy L4970A (10A) / L4977A (7A) Switching Regulator - Datasheet Component Layer L4970A (10A) / L4977A (7A) Switching Regulator - Datasheet Back Layer - -
Original
Abstract: : Block diagram of the 10A monolithic regulator L4970A. 2/12 APPLICATION NOTE Figure 4: Oscillator , the high power L4970A is shown in fig.3. Each block is analysed in the following. POWER SUPPLY , frequency vs. Rosc (L4970A/77A/75A). (4) 9 ROSC. COSC. (5) Note that formula (5) does not , increas during overload. POWER FAIL-RESET CIRCUIT The L4970A include a voltage sensing circuit that may STMicroelectronics
Original
L497X 400w power amplifier circuit diagram amplifier 400W 16 to 12v 400W CIRCUIT DIAGRAM
Abstract: : Block Diagram of the 10A Monolithic Regulator L4970A. Figure 7: Voltage Feeforward Waveform. V2 , : IL = (Vimax - Vomax) Vomax Vimax fsw min L The current limitation for L4970A will start to work at 13A. therefore: Ilim min > Ionom + IL 2 where Ionom = 10A for L4970A. Figure 24 , APPLICATION NOTE EASY APPLICATION DESIGN WITH THE L4970A, MONOLITHIC DC-DC CONVERTERS FAMILY , current limitation value. POWER FAIL-RESET CIRCUIT The L4970A include a voltage sensing circuit that STMicroelectronics
Original
ekr 1000 manual ekr 63V CAPACITOR cogema 949178 ROE eke capacitor EYF roederstein Eke Roederstein L497XA AN557/1297 AN244
Abstract: / STPSxxLxx BYT01/03-200/400 STPRxx/10/20 L4970A/2A/4A/5A/7A L4963 L4971/3 MC34063 L4955 / LPR30N , BYT01/03-200/400 STPRxx/10/20 L4970A/2A/4A/5A/7A L4963 L4971/3 MC34063A L4955 / LPR30N DDP6V8 STMicroelectronics
Original
smps with uc3842 and tl431 mc34063 step down with mosfet mc34063 step up with mosfet MC34063 MOSFET UC3842 step up converter mc34063 step down 5a BF3510TV BHA/K3012TV 600CW AVS08 L6560/A
Abstract: APPLICATION NOTE EASY APPLICATION DESIGN WITH THE L4970A, MONOLITHIC DC-DC CONVERTERS FAMILY , : Block Diagram of the 10A Monolithic Regulator L4970A. Figure 7: Voltage Feeforward Waveform. V2 , : IL = (Vimax - Vomax) Vomax Vimax fsw min L The current limitation for L4970A will start to work at 13A. therefore: Ilim min > Ionom + IL 2 where Ionom = 10A for L4970A. Figure 24 , current limitation value. POWER FAIL-RESET CIRCUIT The L4970A include a voltage sensing circuit that STMicroelectronics
Original
UC3843 application note soft start 24v dc power supply with uc3842 uc3843 12v to 24v uc3844 schematic diagram 24v dc dc uc3843 step down uc3843 step up L296P L296HT L296PHT UC2842/3/4/5-UC3842/3/4/5
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