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TI LM2735YQMF/NOPBRoHS

Manufacturer
TI
MPN
LM2735YQMF/NOPB
LCSC Part #
C2071205
Packaging
SOT-23-5
Customer #
Key Attributes
520 kHz and 1.6 MHz Step-up and SEPIC DC/DC Regulators with High Space Utilization
Datasheetpdf iconTI LM2735YQMF/NOPB
In-Stock: 185
185 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 2.3388$ 2.34
10+$ 2.1403$ 21.40
30+$ 2.0149$ 60.45
100+$ 1.8864$ 188.64
500+$ 1.8278$ 913.90
1,000+$ 1.8034$ 1803.40
Standard Packaging1000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingSOT-23-5
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching520kHz;1.6MHz
FunctionBoost
Number of Outputs1
FeaturesCycle-by-cycle current limiting;External compensation
TopologyBoost;SEPIC
Output TypeAdjustable
Operating Voltage2.7V~5.5V
Switch tube (built-in/external)Built-in
Output Current2.1A
Output Voltage3V~24V
Quiescent Current3.4mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging1000
Sales UnitPiece

Introduction

AI Translation

LM2735-Q1 是一款易于使用的高空间利用率 2.1A 低侧开关稳压器，非常适合升压和 SEPIC 直流/直流调节。该器件提供所有必要功能，可在最小 PCB 面积内实现具有快速瞬变响应和精确调节功能的本地直流/直流转换。开关频率在内部设置为 520kHz 或 1.6MHz，支持使用极小的表面贴装电感器和片式电容器，同时提供高达 90% 的效率。该器件可用于后升压应用，即对主汽车系统 3.3V 电源轨进行升压，从而为需要 5V 电压的 CAN 收发器和其他电路供电。LM2735-Q1 可提供 24V 输出电压，因此还可为音频放大器、天线、同轴电缆供电 (PoC) 和汽车音频总线 (A2B) 器件供电。

电流模式控制和内部补偿可在各种工作条件下实现易于使用、外部元器件数量最少且性能出色的调节方案。外部关断具有 80nA 的超低待机电流，非常适合便携式应用。微型 SOT-23 和 WSON 封装节省板级空间。其他特性包括内部软启动、浪涌电流抑制电路、逐脉冲电流限制和热关断。

The LM2735-Q1 device is highly efficient and easy-to-use switching regulator for boost and SEPIC applications. The device provides regulated DC output with fast transient response. Device architecture (current mode control) and internal compensation enable solutions with minimum number of external components. Additionally high switching frequency allows for use of small external passive components (chip capacitors, SMD inductors) and enables power solutions with very small PCB area. LM2735-Q1 also provides features such as soft start, pulseby-pulse current-limit, and thermal shutdown.

The LM2735-Q1 is a constant-frequency PWM boost regulator IC that delivers a minimum of 2.1 A peak switch current. The regulator has a preset switching frequency of either 520 kHz or 1.6 MHz. This high frequency allows the device to operate with small surface mount capacitors and inductors, resulting in a DC/DC converter that requires a minimum amount of board space. The LM2735-Q1 is internally compensated, so it is simple to use, and requires few external components. The device uses current-mode control to regulate the output voltage.

Features

AI Translation
  • AEC-Q100 qualified for automotive applications: Device Temperature Grade 1: -40°C to +125°C ambient operating temperature range
  • Input voltage range: 2.7V to 5.5V
  • Output voltage range: 3V to 24V
  • 2.1A switching current over full temperature range
  • Current mode control
  • Logic-high enable pin
  • 80nA ultra-low quiescent current in shutdown mode
  • 170mΩ NMOS switch
  • ±2% feedback voltage accuracy
  • Easy-to-use small solution footprint
  • Internal soft-start
  • Internal compensation
  • Two switching frequencies
    • 520kHz (LM2735-Y)
    • 1.6MHz (LM2735-X)
  • Compatible with small SMT inductors and chip capacitors
  • Miniature SOT-23 and WSON packages

Applications

AI Translation
  • Automotive infotainment systems and instrument clusters
  • Advanced Driver Assistance Systems (ADAS)
  • Gateway
  • Automotive TFT LCD bias