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UCC28503DWTR

UCC28503DWTR
Mfr. #:
UCC28503DWTR
説明:
Power Factor Correction - PFC BICMOS PFC/PWM COMBINATION CONTROLLER
ライフサイクル:
メーカー新製品
データシート:
UCC28503DWTR データシート
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ECAD Model:
詳しくは:
UCC28503DWTR 詳しくは UCC28503DWTR Product Details
製品属性
属性値
メーカー：
テキサスインスツルメンツ
製品カテゴリ：
力率補正-PFC
スイッチング周波数：
115 kHz
最低動作温度：
- 40 C
最高作動温度：
+ 85 C
取り付けスタイル：
SMD / SMT
パッケージ/ケース：
SOIC-20
高さ：
2.35 mm
長さ：
12.8 mm
タイプ：
力率補正IC
幅：
7.52 mm
ブランド：
テキサスインスツルメンツ
製品タイプ：
PFC-力率補正
サブカテゴリ：
PMIC-パワーマネジメントIC
単位重量：
0.020071 oz
Tags
UCC28503D, UCC28503, UCC2850, UCC285, UCC28, UCC2, UCC
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We provide 90-360 days warranty.

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Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
***ser
Power Factor Correction (PFC) ICs BiCMOS PFC/PWM Comb Controller
***ark
Power Factor Controller IC; Frequency:0.2MHz; Supply Voltage Max:18V; Package/Case:20-SOIC; No. of Pins:20; Operating Temperature Range:-40°C to +85°C; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes ;RoHS Compliant: Yes
***as Instruments
The UCC2850x family provides all of the control functions necessary for an active power-factor-corrected preregulator and a second-stage dc-to-dc converter. The controller achieves near-unity power factor by shaping the ac input line current waveform to correspond to the ac input-line voltage using average current-mode control. The dc-to-dc converter uses peak current-mode control to perform the step-down power conversion. The PFC stage is leading-edge modulated while the second stage is trailing-edge synchronized to allow for minimum overlap between the boost and PWM switches. This reduces ripple current in the bulk-output capacitor.In order to operate with over three-to-one range of input-line voltages, a line feedforward (VFF) is used to keep input power constant with varying input voltage. Generation of VFF is accomplished using IAC in conjunction with an external single-pole filter. This not only reduces external parts count, but also avoids the use of high-voltage components, offering a lower-cost solution. The multiplier then divides the line current by the square of VFF. The UCC2850x PFC section incorporates a low offset-voltage amplifier with 7.5-V reference, a highly-linear multiplier capable of a wide current range, a high-bandwidth, low offset-current amplifier, with a novel noise-attenuation configuration, PWM comparator and latch, and a high-current output driver. Additional PFC features include over-voltage protection, zero-power detection to turn off the output when VAOUT is below 0.33 V and peak current and power limiting. The dc-to-dc section relies on an error signal generated on the secondary-side and processes it by performing peak current mode control. The dc-to-dc section also features current limiting, a controlled soft-start, preset operating range with selectable options, and 50% maximum duty cycle. The UCC28500 and UCC28502 have a wide PFC-UVLO threshold (16.5 V/10 V) for bootstrap bias supply operation. The UCC28501 and UCC28503 are designed with a narrow UVLO range (10.5 V/10 V) more suitable for fixed bias operation. The UCC28500 and UCC28501 have a narrow UVLO threshold for PWM stage (to allow operation down to 75% of nominal bulk voltage), while the UCC28502 and UCC38503 are configured for a much wider operation range for the PWM stage (down to 50% of bulk nominal voltage). Available in 20-pin N and DW packages.
モデル 説明 ストック 価格
UCC28503DWTR
DISTI # UCC28503DWTR-ND		IC PFC CTRLR AVERAGE CURR 20SOIC
RoHS: Compliant
Min Qty: 2000
Container: Tape & Reel (TR)		Limited Supply - Call
    UCC28503DWTRG4
    DISTI # UCC28503DWTRG4-ND    		IC PFC CTRLR AVERAGE CURR 20SOIC
    RoHS: Compliant
    Min Qty: 2000
    Container: Tape & Reel (TR)    		Limited Supply - Call
      UCC28503DWTR
      DISTI # N/A      		Power Factor Correction - PFC BICMOS PFC/PWM COMBINATION CONTROLLER0
        UCC28503DWTRG4
        DISTI # 595-UCC28503DWTRG4        		Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controller
        RoHS: Compliant        		0
          画像 モデル 説明
          UCC28517DWR

          Mfr.#: UCC28517DWR

          OMO.#: OMO-UCC28517DWR

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          UCC28500N

          Mfr.#: UCC28500N

          OMO.#: OMO-UCC28500N

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          UCC28502DW

          Mfr.#: UCC28502DW

          OMO.#: OMO-UCC28502DW

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          UCC28515N

          Mfr.#: UCC28515N

          OMO.#: OMO-UCC28515N

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          UCC28500DWG4

          Mfr.#: UCC28500DWG4

          OMO.#: OMO-UCC28500DWG4-TEXAS-INSTRUMENTS

          		 Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controlle
          UCC28500DWTR

          Mfr.#: UCC28500DWTR

          OMO.#: OMO-UCC28500DWTR-TEXAS-INSTRUMENTS

          		 IC PFC CTRLR AVERAGE CURR 20SOIC
          UCC28516N

          Mfr.#: UCC28516N

          OMO.#: OMO-UCC28516N-TEXAS-INSTRUMENTS

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          UCC28511DWRG4

          Mfr.#: UCC28511DWRG4

          OMO.#: OMO-UCC28511DWRG4-1190

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          UCC28515DWRG4

          Mfr.#: UCC28515DWRG4

          OMO.#: OMO-UCC28515DWRG4-1190

          		 Power Factor Correction - PFC Advanced PFC/PWM Comb Controlle
          UCC28517DW

          Mfr.#: UCC28517DW

          OMO.#: OMO-UCC28517DW-TEXAS-INSTRUMENTS

          		 Power Factor Correction - PFC Advanced PFC/PWM Comb Controlle
          可用性
          ストック:
          Available
          注文中:
          5500
          数量を入力してください:
          UCC28503DWTRの現在の価格は参考用です。最高の価格をご希望の場合は、お問い合わせまたは直接メールで営業チーム[email protected]までご連絡ください。
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