TL497ACNSR

Mfr. #:: TL497ACNSR
Descrizione:: Switching Voltage Regulators 500-mA Peak S-U S-D Switching Volt Reg
Ciclo vitale:: Nuovo da questo produttore.
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Maggiori informazioni:: TL497ACNSR maggiori informazioni TL497ACNSR Product Details

Attributo del prodotto
Valore attributo

Produttore:: Texas Instruments

Categoria di prodotto:: Regolatori di tensione a commutazione

RoHS:: Y

Stile di montaggio:: SMD/SMT

Pacchetto/custodia:: SO-14

Corrente di uscita:: 500 mA

Topologia:: secchio

Temperatura di esercizio minima:: - 40 C

Temperatura massima di esercizio:: + 85 C

Serie:: TL497A

Confezione:: Bobina

Intervallo operativo di temperatura:: - 40 C to + 85 C

Tipo:: Regolatore step-down

Marca:: Texas Instruments

Corrente di alimentazione operativa:: 11 mA

Tipologia di prodotto:: Regolatori di tensione a commutazione

Quantità confezione di fabbrica:: 2000

sottocategoria:: PMIC - CI di gestione dell'alimentazione

Unità di peso:: 0.007348 oz

Tags: TL497ACNSR, TL497ACNS, TL497ACN, TL497AC, TL497A, TL497, TL49, TL4

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We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
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Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

TL497ACNSR Descrizione

***as Instruments: 500-mA Peak Step-Up, Step-Down, Inverting Switching Voltage Regulator 14-SO 0 to 70

***ical: Conv DC-DC 4.5V to 12V Non-Inv/Inv/Step Up/Step Down Single-Out -1.2V to -25V/6.5V to 30V/1.2V to 3.5V 0.5A 14-Pin SOP T/R

***ark: Switching Regulator IC; No. of Outputs:1; Output Voltage:30V; Output Current:500mA; No. of Pins:14; Operating Temperature Range:0°C to +70°C; Input Voltage Primary Max:12V; Leaded Process Compatible:Yes; Output Current Max:0.5A ;RoHS Compliant: Yes

***ASIN: The TL497A incorporates all the active functions required in the construction of switching voltage regulators. It also can be used as the control element to drive external components for high-power-output applications. The TL497A was designed for ease of use in step-up, step-down, or voltage-inversion applications requiring high efficiency.

***XS: The TL497A is a fixed-on-time variable-frequency switching-voltage-regulator control circuit. The switch-on time is programmed by a single external capacitor connected between FREQ CONTROL and GND. This capacitor, CT, is charged by an internal constant-current generator to a predetermined threshold. The charging current and the threshold vary proportionally with VCC. Thus, the switch-on time remains constant over the specified range of input voltage (4.5 V to 12 V). Typical on times for various values of CT are as follows:

***AS INTRUMENTS: The output voltage is controlled by an external resistor ladder network (R1 and R2 in Figures 1, 2, and 3) that provides a feedback voltage to the comparator input. This feedback voltage is compared to the reference voltage of 1.2 V (relative to SUBSTRATE) by the high-gain comparator. When the output voltage decays below the value required to maintain 1.2 V at the comparator input, the comparator enables the oscillator circuit, which charges and discharges CT as described above. The internal pass transistor is driven on during the charging of CT. The internal transistor can be used directly for switching currents up to 500 mA. Its collector and emitter are uncommitted, and it is current driven to allow operation from the positive supply voltage or ground. An internal Schottky diode matched to the current characteristics of the internal transistor also is available for blocking or commutating purposes. The TL497A also has on-chip current-limit circuitry that senses the peak currents in the switching regulator and protects the inductor against saturation and the pass transistor against overstress. The current limit is adjustable and is programmed by a single sense resistor, RCL, connected between VCC and CUR LIM SENS. The current-limit circuitry is activated when 0.7 V is developed across RCL. External gating is provided by the INHIBIT input. When the INHIBIT input is high, the output is turned off.

***INS: Simplicity of design is a primary feature of the TL497A. With only six external components (three resistors, two capacitors, and one inductor), the TL497A operates in numerous voltage-conversion applications (step-up, step-down, invert) with as much as 85% of the source power delivered to the load. The TL497A replaces the TL497 in all applications.

***ASIN: The TL497AC is characterized for operation from 0°C to 70°C. The TL497AI is characterized for operation from -40°C to 85°C.

Market price

Parte #	Descrizione	Azione	Prezzo
TL497ACNSR DISTI # TL497ACNSR-ND	IC REG BCK BST INV ADJ 0.5A 14SO RoHS: Compliant Min Qty: 2000 Container: Tape & Reel (TR)	Temporarily Out of Stock	2000:$0.8181
TL497ACNSR DISTI # TL497ACNSR	Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 4.5V to 12V 14-Pin SOP T/R - Tape and Reel (Alt: TL497ACNSR) RoHS: Compliant Min Qty: 2000 Container: Reel	Americas - 0	2000:$0.8789 4000:$0.8369 8000:$0.8089 12000:$0.7809 20000:$0.7599
TL497ACNSR DISTI # 595-TL497ACNSR	Switching Voltage Regulators 500-mA Peak S-U S-D Switching Volt Reg RoHS: Compliant	0	1:$1.7800 10:$1.5200 100:$1.2200 500:$1.0700 1000:$0.8790 2000:$0.8190 4000:$0.7880 10000:$0.7580
TL497ACNSRG4 DISTI # 595-TL497ACNSRG4	Switching Voltage Regulators 500-mA Inverting Switching Vltg Reg RoHS: Compliant	0
TL497ACNSRE4 DISTI # 595-TL497ACNSRE4	Switching Voltage Regulators 500-mA Peak S-U S-D Switching Volt Reg RoHS: Compliant	0
TL497ACNSR	Switching Regulator, Voltage-mode, 0.5A, 50kHz Switching Freq-Max, PDSO14 RoHS: Compliant	14000	1000:$0.8000 500:$0.8500 100:$0.8800 25:$0.9200 1:$0.9900
TL497ACNSR	PWM	0
TL497ACNSRE4	PWM	0
TL497ACNSR		367	175:$0.9200 44:$1.1500 1:$2.3000
TL497ACNSR		594

Prodotti correlati

Immagine	Parte #	Descrizione
	Mfr.#: TL497ACNE4 OMO.#: OMO-TL497ACNE4	Switching Voltage Regulators 500-mA Peak S-U S-D Switching Volt Reg
	Mfr.#: TL497ACD OMO.#: OMO-TL497ACD	Switching Voltage Regulators 1.2V Switching V
	Mfr.#: TL497AIDG4 OMO.#: OMO-TL497AIDG4	Switching Voltage Regulators 500-mA Inverting Switching Vltg Reg
	Mfr.#: TL497ACNS OMO.#: OMO-TL497ACNS-1190	Switching Regulator, Voltage-mode, 0.5A, 50kHz Switching Freq-Max, PDSO14
	Mfr.#: TL497ACNSRG4 OMO.#: OMO-TL497ACNSRG4-1190	Switching Voltage Regulators 500-mA Inverting Switching Vltg Reg
	Mfr.#: TL497AI OMO.#: OMO-TL497AI-1190	Nuovo e originale
	Mfr.#: TL497AIDRE4 OMO.#: OMO-TL497AIDRE4-1190	- Bulk (Alt: TL497AIDRE4)
	Mfr.#: TL497ANSR OMO.#: OMO-TL497ANSR-1190	Nuovo e originale
	Mfr.#: TL497ACDRE4 OMO.#: OMO-TL497ACDRE4-TEXAS-INSTRUMENTS	Voltage Regulators - Switching Regulators 500-mA Peak S-U S-D Switching Volt Reg
	Mfr.#: TL497AIN OMO.#: OMO-TL497AIN-TEXAS-INSTRUMENTS	Voltage Regulators - Switching Regulators 1.2V Switching V

Disponibilità

Azione:: Available
Su ordine:: 4000
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Iniziare con

TL497ACNSR 3
TL497ACNS 6
TL497ACN 14
TL497AC 24
TL497A 40
TL497 45
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TL497ACNSR

Step1:Vacuum Packaging with PL

Step2:Anti-Static Bag

Step3:Packaging Boxes

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes