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ADI LTC1709EG-85#PBF product image
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ADI LTC1709EG-85#PBF

제조업체
ADI
제조사 품번
LTC1709EG-85#PBF
LCSC 번호
C676530
포장
SSOP-36-5.6mm
고객 번호
주요 제원
2 1.05V~1.825V Adjustable Step-down type SSOP-36-5.6mm DC DC Switching Controllers RoHS
데이터시트ADI LTC1709EG-85#PBF
RoHS 준수1개 문서 이용 가능
품절
재입고 알림
최소값: 1배수: 1판매 단위: Piece
BOM 목록에 추가
수량단가(참고용)총액
1+$ 4.8287$ 4.83
10+$ 4.1349$ 41.35
30+$ 3.7217$ 111.65
100+$ 3.3055$ 330.55
500+$ 3.1127$ 1556.35
1,000+$ 3.0264$ 3026.40
표준 패키지37/Full Tube
수량이 많을수록 더 좋은 가격?
$

제품 사양

전체
타입설명
카테고리Integrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
제조업체ADI
포장SSOP-36-5.6mm
Synchronous RectifierYes
FeaturesAdjustable soft-start;Frequency synchronization;Output voltage differential sensing;Operating status indication;Overcurrent Protection;Protection latch;Light load efficient mode
Number of Channels2
TopologyBuck
Operating Voltage4V~36V
Switch tube (built-in/external)External
Output Voltage1.05V~1.825V
Operating Temperature-40℃~+85℃@(TA)
Output Current-
Frequency - Switching310kHz
Output TypeAdjustable
FunctionStep-down type
Quiescent Current470uA
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개요

AI 번역

The LTC1709-85 is a 2-phase, VID programmable, synchronous step-down switching regulator controller that drives two all N-channel external power MOSFET stages in a fixed frequency architecture. The 2-phase controller drives its two output stages out of phase at frequencies up to 300kHz to minimize the RMS ripple currents in both input and output capacitors. The 2-phase technique effectively multiplies the fundamental frequency by two, improving transient response while operating each channel at an optimum frequency for efficiency. Thermal design is also simplified. An operating mode select pin (FCB) can be used to select among three modes including Burst Mode operation for highest efficiency. An internal differential amplifier provides true remote sensing of the regulated supply’s positive and negative output terminals as required in high current applications. The RUN/SS pin provides soft-start and optional timed, short-circuit shutdown. Current foldback limits MOSFET dissipation during short-circuit conditions when the overcurrent latchoff is disabled. OPTI-LOOP compensation allows the transient response to be optimized for a wide range of output capacitors and ESR values.

주요 특징

AI 번역
  • Output Stages Operate Antiphase Reducing Input Capacitance Requirements and Power Supply Induced Noise
  • Dual Input Supply Capability for Load Sharing
  • 5-Bit VID Code (VRM 8.5): VOUT = 1.05V to 1.825V
  • True Remote Sensing Differential Amplifier
  • Power Good Output Indicator
  • ±1% Output Voltage Accuracy
  • Active Voltage Positioning Capable
  • Current Mode Control Ensures Current Sharing
  • OPTI-LOOP Compensation Minimizes COUT
  • Three Operational Modes: PWM, Burst and Cycle Skip
  • Programmable Fixed Frequency: 150kHz to 300kHz
  • Wide VIN Range: 4V to 36V Operation
  • Adjustable Soft-Start Current Ramping
  • Internal Current Foldback and Short-Circuit Shutdown
  • Overvoltage Soft Latch Eliminates Nuisance Trips
  • Available in 36-Lead Narrow SSOP Package

응용 분야

AI 번역
  • Server/Desktop Computers
  • Internet Servers
  • Large Memory Arrays
  • DC Power Distribution Systems