LM2576HVT-12/NOPB
Conv DC-DC 4V to 60V Step Down Single-Out 12V 3A 5-Pin(5+Tab) TO-220 Tube
| Quantity | Unit Price(USD) | Ext. Price |
|---|---|---|
| 1 | $4.888 | $4.89 |
| 10 | $4.342 | $43.42 |
| 45 | $3.802 | $171.09 |
| 90 | $3.474 | $312.66 |
| 450 | $3.322 | $1,494.90 |
| 900 | $3.254 | $2,928.60 |
Inventory:7,079
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Part Number : LM2576HVT-12/NOPB
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Package/Case : TO220-5
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Brands : TI
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Components Categories : Voltage Regulators - DC DC Switching Regulators
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Datesheet : LM2576HVT-12/NOPB DataSheet (PDF)
Overview of LM2576HVT-12/NOPB
The LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, 15 V, and an adjustable output version.
Requiring a minimum number of external components, these regulators are simple to use and include fault protection and a fixed-frequency oscillator.
The LM2576 series offers a high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink, and in some cases no heat sink is required.
A standard series of inductors optimized for use with the LM2576 are available from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies.
Other features include a ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring 50-µA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions.
The LM76003 requires very few external components and has a pinout designed for simple, optimum PCB layout for EMI and thermal performance. See the device comparison table to compare specs.
Key Features
- Newer products available:
- LMR51430 4.5 to 36-V, 3-A, 500-kHz and 1.1-MHz synchronous converter
- LM76003 3.5 to 60-V, 3.5-A, 300-kHz to 2.2-MHz synchronous converter
- For faster time to market:
- TLVM13630 3 to 36-V, 3-A, 200-kHz to 2.2-MHz power module
- 3.3-V, 5-V, 12-V, 15-V, and adjustable output versions
- Adjustable version output voltage range,1.23 V to 37 V (57 V for HV version) ±4% maximum over line and load conditions
- Specified 3-A output current
- Wide input voltage range: 40 V Up to 60 V for HV version
- Requires only four external components
- 52-kHz fixed-frequency internal oscillator
- TTL-shutdown capability, low-power standby mode
- High efficiency
- Uses readily available standard inductors
- Create a custom design using the LMR33630 or LM76003 with the WEBENCH Power Designer
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Vin (min) (V) | 4 | Vin (max) (V) | 60 |
| Vout (min) (V) | 3.3 | Vout (max) (V) | 37 |
| Iout (max) (A) | 3 | Iq (typ) (mA) | 5 |
| Switching frequency (min) (kHz) | 42 | Switching frequency (max) (kHz) | 63 |
| Features | Enable, Over Current Protection | Operating temperature range (°C) | -40 to 125 |
| Rating | Catalog | Regulated outputs (#) | 1 |
| Control mode | Voltage mode | Duty cycle (max) (%) | 98 |
| Type | Converter |
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