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L4971D
IC REG BUCK ADJ 1.5A 16SOIC
- メーカー
- Mfr。パート #L4971D
- パッケージ SOIC-16
- データシート L4971D DataSheet
- 在庫中2995
100% オリジナル &新しい
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365日の保証
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仕様
| Package | Tube |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 8V |
| Voltage-Input(Max) | 55V |
| Voltage-Output(Min/Fixed) | 3.3V |
| Voltage-Output(Max) | 50V |
| Current-Output | 1.5A |
| Frequency-Switching | 100kHz ~ 300kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.295, 7.50mm Width) |
概要
Description
The L4971D is an automotive-grade buck (step-down) switching regulator IC from STMicroelectronics. It’s designed to convert a wide automotive DC input into a stable lower rail for microcontrollers and peripherals in vehicles and harsh-environment electronics. Key features typically include: adjustable output via an external feedback network, current-mode PWM control, soft-start, enable input, overcurrent/short-circuit protection, undervoltage lockout, and thermal protection. It requires external passive components (inductor, input/output capacitors, and a diode or a synchronous stage) to form the regulator. Applications include automotive ECUs, infotainment, dashboards, and other power rails in cars and rugged equipment. For exact specifications (pinout, switching frequency, voltage ranges, packaging), consult the L4971D datasheet and application notes.
Package
L4971D comes in a Multiwatt-7 power package (7-pin with a heatsinking tab).
Pinout
- Pin count: 8 pins (D8/SO8 package)
- Function: Automotive-grade buck switching regulator with integrated high-side MOSFET. Converts high input voltage (up to ~40 V) to a lower output using external feedback, with current‑mode control and protections (enable, soft‑start, overcurrent, thermal/UVLO).
- Function: Automotive-grade buck switching regulator with integrated high-side MOSFET. Converts high input voltage (up to ~40 V) to a lower output using external feedback, with current‑mode control and protections (enable, soft‑start, overcurrent, thermal/UVLO).
Manufacturer
- Manufacturer: STMicroelectronics (ST).
- What kind of company: A multinational electronics and semiconductor company, headquartered in Geneva, Switzerland, and one of the world's largest semiconductor manufacturers with operations worldwide.
- What kind of company: A multinational electronics and semiconductor company, headquartered in Geneva, Switzerland, and one of the world's largest semiconductor manufacturers with operations worldwide.
Application
Applications:
- Automotive DC-DC converters (12/24 V input) for ECUs, infotainment and instrument clusters
- Industrial and telecom power supplies needing compact, efficient step-down regulation
- On-board regulators for consumer electronics and battery-powered devices (3.3/5 V rails)
- General-purpose embedded systems requiring reliable switching regulation
- Automotive DC-DC converters (12/24 V input) for ECUs, infotainment and instrument clusters
- Industrial and telecom power supplies needing compact, efficient step-down regulation
- On-board regulators for consumer electronics and battery-powered devices (3.3/5 V rails)
- General-purpose embedded systems requiring reliable switching regulation
出荷
出荷方法私たち
DHL、FedEx、TNT、UPS、またはあなたの選択の他の運送業者を通じてグローバルな出荷サービスを提供します。
出荷料参照(DHL/FedEx):
DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。
フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。
登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。
支払い
Payment Methods
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2. クレジット・デビットカード
3. ワイヤー 転送
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