Allen Bradley 1747-SDN/B LinkSwitch-HP器件將控制器和高壓功率MOSFET單片集成到一個封裝中。它具有新開發的模擬控制方案,該方案可實現高達90 W的連續傳導模式(CCM),一次側調節(PSR)電源,而不會限制DCM或可聽噪聲的效率。它使用增強的峰值電流模式PWM多模式操作的控制方案。多模式控制引擎使用COMPENSATION引腳上的誤差放大器輸出信號電壓來設置工作峰值電流和開關頻率,以保持輸出電壓處于如圖5所示的穩定狀態。對于COMPENSATION引腳電壓低于VC(MCM)( (典型值1.25 V)該器件進入多周期調制(MCM),其固定峰值電流為已編程電流限制的25%。峰值電流模式控制中增加了一些創新性改進,以使初級側調節CCM操作不會出現不穩定。該器件在高線(LNK67xx系列)空載時可滿足低于30 mW的輸入功率。
它還提供了廣泛的內置功能:
?外部電流限制選擇
?可選的可編程關閉延遲時間擴展
?可選的遠程開/關
?可選的快速AC復位
?初級側感應的輸出過壓保護(OVP)
?輸出過載或短路(自動重啟動)過程中的失穩保護
?內部電流限制超過線路補償,用于線路上恒定的過載功率
?高壓母線過壓檢測(線路OV),可承受更大的線路浪涌
?高壓母線欠壓檢測(線路UV),用于欠壓/欠壓保護
?精確的過熱保護(OTP) )
?輸出OVP / OCP / OTP關斷類型選擇(滯后/鎖存)
?可選的外部鎖存關斷輸入(電流閾值)
?逐周期電流限制控制
LinkSwitch-HP系列產品亮點:
高效節能
?多模式控制可在整個負載范圍內化效率
?230 VAC(LNK67xx)時空載功耗低于30 mW
?》 75% 230 VAC時輸入功率為1 W時
效率? 230 VAC時輸入功率為0.1 W時效率》 50%,
靈活性高,系統成本低
?大大簡化了電源設計
?消除了光耦合器和所有次級控制電路
?±5%或更高的輸出電壓容限
?132 kHz的運行減小了變壓器和電源的尺寸
?準確的可編程電流限制
?超過線路限制的補償過載功率
?頻率抖動降低了EMI濾波器的成本
?完全集成的軟啟動,以最小化啟動應力
?725 V MOSFET簡化了降額要求(LNK677x)
?650 V MOSFET,以的系統成本(LNK676x / LNK666x)
?快速瞬態響應系列選件( LNK666x)
廣泛的保護功能
?過載故障時,自動重啟功能可將功率傳輸限制為3%
?輸出短路保護(SCP)
?輸出過載/過流保護(OPP,OCP)
?可選的延長關閉延遲時間
?輸出過壓保護(OVP),遲滯或閂鎖
?線路欠壓保護(線路欠壓保護/欠壓保護)(線路UV)
?線路過壓(OV)關斷可延長線路的浪涌承受能力
?精確熱關斷(OTP),遲滯或鎖存
綠色包裝選項
?的eSIP?-7C包:
?垂直方向為最小PCB足跡
?簡單散熱器使用夾子或粘合墊安裝
?的eDIP?-12B包:
?薄型通過孔安裝,用于超薄設計
?通過裸露的焊盤或可選的金屬散熱器將熱量傳遞到PCB
?漏電引腳的爬電距離更長
?散熱器連接到SOURCE以降低EMI
?無鹵且符合RoHS的
LinkSwitch-HP系列典型應用:
?LCD監視器和電視
?適配器
?設備
?嵌入式電源(DVD,機頂盒)
Allen Bradley 1747-SDN/B
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UM15A-C 7705911(2)A UM15AC PRY-O CARD F77059112A
PIC 2 1-21205 Kearney & Trecker PIC2 Board 1-2120501
RLV02 GE 2000 44A719301-G02 44A717688-002 RLV 02
SDC 30060-53 3006053 Working! Also shows 30059-53
Siemens 810 I/O Module 64E/32 6FC3984-3RA AUSGAENGE
636417-01 ALLEN BRADLEY PC BOARD 636417 - GUARANTEED
TERADYNE 4172550G1 4172550 G1 V.35 TP TRANSCEIVER BOARD
3-531-4006A Cincinnati 35314006A 3 531 4006A MODULE
1-20662-02 Kearney & Trecker 20662-02 12066202 K&T KT
KEARNEY & TRECKER 1-20668 Hard Disk Controller 120668
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Sanborn Company 320 Dual Channel DC Amplifier Recorder
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LH 847457-002 LH POWER SUPPLY TM34-13Y3Y2/115 TM341332
Acme Transformer TA-2-81219 Open Core & Coil 2000VA
1-20640 Kearney & Trecker I/O PC BOARD - GUARANTEED!
MACRO GHSA 750-250-006 Spring-Loaded AC-LVDT Position
A20B-1003-0090 FANUC PC BOARD DRIVE CONTROL AC SERVO
3-533-0321G 35330321G Cincinnati 850 RAM Board
35330319G 3-533-0219G Cincinnati 850 PCB
5-159-0514 GT-5 51590514 GT5 850 Power Supply 50886
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Ward Leonard 5DP1-21100 Contactor 30A 500V
35313568A Cincinnati Milacron - Guaranteed 3-531-3568A
SCHAEVITZ Eng GCA Series Precision Head GCA-121-250
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35313680A CINCINNATI MILACRON MMU 3-531-3680A GUARANTEE
Motor Circuit Protector Westinghouse 30A 6630C86G11 C
FIBEX T-5 RACK W/ BACKPLANE 150-001964-0000 REV03
Cisco Fibex FXS16 DLC PLUS FXS 16
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A1522 Backplane for NC400 Servo Control PCO529 @FAA1522
Toshiba Motor JISC4210 Type 1K Frame 112M JIS4210
3-531-3891A DC Input DCI 35313891A 3 531 3891A
3-531-3878A RCO Relay Contacts Out Module 35313878A
Cincinnati Milacron 35313567A 3 531 3567A IOI Board
Mitsubishi NF100-S 100A 3 Pole AC600V DC250V - Good!
634284A-90 ALLEN BRADLEY VDK Circuit Board - Guaranteed
SDC SD2-1525-10-1 2 Axis Chassis W/1 Mod Mtd (no board)
CISCO FIBEX BPS AC SBPUVTOGAA for DLC Plus T5 ACCESS SY
3-531-3839A ACO AC Output 35313839A 3 531 3839A
725N-0500-0-0C-1-F-1-S-N-CE ACCU-CODER ENCODER (SHAFT)
GE Motor Circuit Protector TEC36150 150A 3 Pole
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Lot of 2 - TRON RECTIFIER FUSE KBH500 500AMP 500V
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GE Circuit Breaker MCP36050 50A 50 amp
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Fuji AC Magnetic Contactor SRC3631-3 80A
NEW - ECSR45 Fuses - Quantity 2 45A 600V RK5 Dual Elem
Fuji Auto Breaker EA53 41-1650 AC220V 5kA 3 Pole 50A
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FRS-R-60 FRSR60 FUSETRON 60 Amp Fuse