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UC3856N
40V, 1.5A current mode 1MHz PWM controller , 0C to 70C
ブランド: TEXAS INSTRUMENTS INC
製造元部品 #: UC3856N
データシート: UC3856N データシート (PDF)
パッケージ/ケース: PDIP-16
製品の種類: Switching Controllers
UC3856N 概要
The UC3856 is a high performance version of the popular UC3846 series of current mode controllers, and is intended for both design upgrades and new applications where speed and accuracy are important. All input to output delays have been minimized, and the current sense output is slew rate limited to reduce noise sensitivity. Fast 1.5A peak output stages have been added to allow rapid switching of power FETs.
A low impedance TTL compatible sync output has been implemented with a tri-state function when used as a sync input.
Internal chip grounding has been improved to minimize internal \x93noise\x94 caused when driving large capacitive loads. This, in conjunction with the improved differential current sense amplifier results in enhanced noise immunity.
Other features include a trimmed oscillator current (8%) for accurate frequency and dead time control; a 1V, 5% shutdown threshold; and 4kV minimum ESD protection on all pins.
特徴
- Pin-for-Pin Compatible With the UC3846
- 65ns Typical Delay From Shutdown to Outputs, and 50ns Typical Delay From Sync to Outputs
- Improved Current Sense Amplifier With Reduced Noise Sensitivity
- Differential Current Sense with 3V Common Mode Range
- Trimmed Oscillator Discharge Current for Accurate Deadband Control
- Accurate 1V Shutdown Threshold
- High Current Dual Totem Pole Outputs (1.5A peak)
- TTL Compatible Oscillator SYNC Pin Thresholds
- 4kV ESD Protection
仕様
| パラメータ | 価値 | パラメータ | 価値 |
|---|---|---|---|
| Source Content uid | UC3856N | Pbfree Code | Yes |
| Rohs Code | Yes | Part Life Cycle Code | Active |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | Part Package Code | DIP |
| Package Description | GREEN, PLASTIC, DIP-16 | Pin Count | 16 |
| Reach Compliance Code | compliant | ECCN Code | EAR99 |
| HTS Code | 8542.39.00.01 | Samacsys Manufacturer | Texas Instruments |
| Analog IC - Other Type | SWITCHING CONTROLLER | Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | JESD-30 Code | R-PDIP-T16 |
| Number of Functions | 1 | Number of Terminals | 16 |
| Package Body Material | PLASTIC/EPOXY | Package Code | DIP |
| Package Equivalence Code | DIP16,.3 | Package Shape | RECTANGULAR |
| Package Style | IN-LINE | Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Surface Mount | NO | Switcher Configuration | BUCK-BOOST |
| Technology | BICMOS | Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Terminal Form | THROUGH-HOLE |
| Terminal Position | DUAL |
配送
| 配送タイプ | 配送料 | リードタイム | |
|---|---|---|---|
 |
DHL | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
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フェデックス | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
 |
登録された航空便 | $20.00-$40.00 (0.50 KG) | 2-5 日々 |
処理時間：送料は地域や国によって異なります。
支払い
| 支払条件 | ハンドフィー | |
|---|---|---|
 |
電信送金 | 銀行手数料 US$30.00 を請求します。 |
 |
ペイパル | 4.0％のサービス料がかかります。 |
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クレジットカード | 3.5％のサービス料がかかります。 |
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ウエスタンユニオン | charge US.00 banking fee. |
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送金サービス | 銀行手数料は 0.00 米ドルかかります。 |
保証
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2.受け取った商品の一部が完璧な品質ではない場合、当社は責任を持って返金または交換を手配します。 ただし、商品は元の状態のままでなければなりません。
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すべての製品は静電気防止袋に梱包されます。 ESD 帯電防止保護を備えた状態で出荷されます。
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パーツポイント
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The UC3856N is a high-performance power-factor correction controller IC. It provides efficient power factor correction for AC to DC power supplies. The chip incorporates a voltage amplification loop to regulate input current and control power factor in single-phase power supply applications. Its features include overvoltage protection, undervoltage lockout, and adjustable overcurrent protection.
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Equivalent
Equivalent products of UC3856N chip are UC3856DW, UC3856N, UC3856NG4, UC3856QTR, UC3856QTRG4, UC3856DWTR, UC3856DWTRG4, and UC3856N. -
Features
1. Current-mode PWM controller 2. Adjustable frequency up to 1MHz 3. Programmable soft-start function 4. Overcurrent protection 5. Adjustable output voltage 6. Undervoltage lockout 7. Wide supply voltage range 8. Low quiescent current 9. External compensation for stability (Note: Please refer to the datasheet for more detailed information) -
Pinout
UC3856N is a PWM controller IC with 20 pins. Its functions include controlling power in DC-DC converters, providing adjustable frequency and duty cycle for output regulation, and protecting against overvoltage, overcurrent, and overtemperature conditions. -
Manufacturer
UC3856N is manufactured by Texas Instruments, which is an American technology company that designs and manufactures semiconductors, including integrated circuits, microcontrollers, and digital signal processors. Texas Instruments also provides software, hardware, and support for a range of industries, including automotive, communications, and consumer electronics. -
Application Field
The UC3856N integrated circuit is commonly used in power management applications, specifically in battery charging, switching power supplies, motor control, and voltage regulation. It is widely utilized in various industries such as automotive, telecommunications, and consumer electronics for efficient power management and control. -
Package
The UC3856N chip is in a 16-pin DIP (Dual Inline Package) configuration with a Through Hole mounting form. The package size is 9.81 x 6.35mm (L x W) with a 7.62mm pitch.
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