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| Part : L4970A-XYZ | Supplier : STMicroelectronics | Manufacturer : Avnet | Stock : 25 | Best Price : €7.6230 | Price Each : €8.6695 |
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| Part : L4970A-XYZ | Supplier : STMicroelectronics | Manufacturer : Avnet | Stock : 500 | Best Price : €7.1832 | Price Each : €10.0818 |
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| Part : L4970A-XYZ | Supplier : STMicroelectronics | Manufacturer : Avnet | Stock : - | Best Price : $11.2820 | Price Each : $14.04 |
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| Part : L4970A | Supplier : STMicroelectronics | Manufacturer : Newark element14 | Stock : 70 | Best Price : $11.29 | Price Each : $14.17 |
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| Part : L4970A | Supplier : STMicroelectronics | Manufacturer : Newark element14 | Stock : - | Best Price : $11.29 | Price Each : $14.17 |
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| Part : L4970A | Supplier : STMicroelectronics | Manufacturer : Future Electronics | Stock : 214 | Best Price : $7.36 | Price Each : $8.54 |
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| Part : L4970A | Supplier : STMicroelectronics | Manufacturer : Bristol Electronics | Stock : 67 | Best Price : - | Price Each : - |
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| Part : L4970A | Supplier : STMicroelectronics | Manufacturer : RS Components | Stock : 32 | Best Price : £6.97 | Price Each : £9.19 |
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| Part : L4970A | Supplier : STMicroelectronics | Manufacturer : RS Components | Stock : 37 | Best Price : £6.97 | Price Each : £8.31 |
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| Part : L4970A | Supplier : STMicroelectronics | Manufacturer : TME Electronic Components | Stock : 3 | Best Price : $8.54 | Price Each : $14.04 |
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| Part : L4970A | Supplier : STMicroelectronics | Manufacturer : element14 Asia-Pacific | Stock : 235 | Best Price : $7.32 | Price Each : $7.32 |
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| Part : L4970A | Supplier : STMicroelectronics | Manufacturer : Farnell element14 | Stock : 135 | Best Price : £7.36 | Price Each : £10.74 |
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l4970a Datasheet
| Part | Manufacturer | Description | 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 | Document Tags | |
|---|---|---|---|
L4970AAbstract: l4970a application 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 |
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l4970a application COGEMA 949178 40uH swiching power pwm circuits 949178 V11R Eyf ROE 3300uf 500KH |
L4970AAbstract: 10A Switching Regulator /=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 |
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10A Switching Regulator MULTIWATT15V power regulator 10A L49Z9-9 7T2T237 |
SCHEMATIC DIAGRAM POWER SUPPLY 12v 5AAbstract: 12V DC to 24V dC converter schematic diagram 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 |
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SCHEMATIC DIAGRAM POWER SUPPLY 12v 5A 12V DC to 24V dC converter schematic diagram schematic diagram converter input 24v to 12v SCHEMATIC DIAGRAM POWER SUPPLY 12v 10A ROE capacitor 220 schematic diagram converter 12v to 24v AN825 D95IN291 |
bst ekr 500 plusAbstract: bst ekr 500 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 |
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154SCT L7905 bst ekr 500 plus bst ekr 500 bst ekr 1000 transistor L7905 LA378-43 L4974A H91L49 77071-A7 300UH 7793S-A7 |
l4970a applicationAbstract: V11R 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 |
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KP1830 MP1830 |
COGEMA 949178 40uHAbstract: L4970A 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 |
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63VL 24v 12v 10A regulator v11f |
HU27Abstract: 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 |
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HU27 |
COGEMA 949178 40uHAbstract: 47k preset variable resistor : 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 |
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47k preset variable resistor TRANSISTOR BCD 109 |
L4970AAbstract: , 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 |
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12v 6A variable power supply diagramAbstract: 1803 5a ® 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 |
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12v 6A variable power supply diagram 1803 5a 200KH |
ekr 500 plusAbstract: L4970A : 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 |
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ekr 500 plus 12v 10A regulator variable resistor 4.7k |
schematic diagram AC to DC converter high outputAbstract: SCHEMATIC DIAGRAM POWER SUPPLY 12v 10A 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 |
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schematic diagram AC to DC converter high output 12v 150W AUDIO AMPLIFIER CIRCUIT DIAGRAM 24v center tapped transformer 220vac to 220vac voltage converter schematic roe EYF 220VAC to 24Vac transformer |
transistor f131Abstract: I10H 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 |
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transistor f131 I10H L4970 1L4979-S 77935-A7 L4970A/77A/75A H91L4970-45 |
12V DC to 24V dC converter schematic diagramAbstract: diagram Converter 24v to 12v 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 |
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diagram Converter 24v to 12v transformer 220 12v 50V Center Tapped 5 Amp Transformer ERO mkt 24VAC to 220Vac transformer 12V DC to 24V dC converter circuit diagram |
12v 120W AUDIO AMPLIFIER CIRCUIT DIAGRAMAbstract: SCHEMATIC DIAGRAM POWER SUPPLY 12v 5A 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 |
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12v 120W AUDIO AMPLIFIER CIRCUIT DIAGRAM 24v, 5A transformer schematic diagram dc-dc ROE capacitor EYF schematic diagram dc to ac converter ROE ELECTROLYTIC CAPACITOR |
Eyf 06 ROEAbstract: 12v 150W AUDIO AMPLIFIER CIRCUIT DIAGRAM 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 |
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Eyf 06 ROE schematic diagram converter input 12v to output 2 Power Factor corrector L4981 ELECTROLYTIC capacitor, 3300uf 6.3v DZ18V capacitor 3300uf 63v |
L4970AAbstract: L4977A 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 |
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400w power amplifier circuit diagramAbstract: L497X : 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 |
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L497X 400w power amplifier circuit diagram amplifier 400W voltage regulator PWM 1995 transconductance sink voltage regulator PWM 1995 transconductance power supply 12v 10a out put circuit diagram |
ekr 1000 manualAbstract: ekr 63V CAPACITOR : 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 |
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ekr 1000 manual ekr 63V CAPACITOR cogema 949178 ROE eke capacitor EYF roederstein Eke Roederstein L497XA AN557/1297 AN244 |
smps with uc3842 and tl431Abstract: mc34063 step down with mosfet / 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 |
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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 |
UC3843 application note soft startAbstract: 24v dc power supply with uc3842 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 |
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UC3843 application note soft start 24v dc power supply with uc3842 uc3843 12v to 24v uc3844 schematic diagram 24v dc dc uc3842 dc/dc converter 24v application circuits uc3843 step down L296P L296HT L296PHT UC2842/3/4/5-UC3842/3/4/5 |
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