2.5/3.5A、36V、2.1MHz、汽车类同步降压 DC-DC 转换器 - LM53635-Q1

LM53635-Q1 (正在供货)

2.5/3.5A、36V、2.1MHz、汽车类同步降压 DC-DC 转换器

  1. LM53625/35-Q1, 2.5-A or 3.5-A, 36-V Synchronous, 2.1-MHz, Step-Down DC-DC Converter    (英文內容)
 
  1. 描述与参数
  2. 在线数据表
  3. 技术文档
  4. 工具与软件
  5. 立即订购
  6. 比较
  7. 质量与封装
  8. 支持与培训
  1. 描述
  2. 特性
  3. 参数
  4. 方框图
  5. 相关终端应用
  6. 伴随产品

描述

The LM53625-Q1/LM53635-Q1 synchronous buck regulator is optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Advanced high-speed circuitry allows the LM53625-Q1/LM53635-Q1 to regulate from an input of 18 V to an output of 3.3 V at a fixed frequency of 2.1 MHz. Innovative architecture allows this device to regulate a 3.3-V output from an input voltage of only 3.55 V. All aspects of the LM53625-Q1/LM53635-Q1 are optimized for automotive and performance-driven industrial customers. An input voltage range up to 36 V, with transient tolerance up to 42 V, eases input surge protection design. The automotive-qualified Hotrod QFN package with wettable flanks reduces parasitic inductance and resistance while increasing efficiency, minimizing switch node ringing, and dramatically lowering electromagnetic interference (EMI). An open-drain reset output, with built-in filtering and delay, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transition between PWM and PFM modes and low quiescent current (only 15 µA for the 3.3 V option) ensure high efficiency and superior transient responses at all loads.

特性

  1. AEC-Q100 Automotive Qualified:
    1. Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    2. Device HBM Classification Level 2
    3. Device CDM Classification Level C6
  2. –40°C to +150°C Junction Temperature Range
  3. 15-µA Quiescent Current at no Load (Typical) with 3.3-V Output
  4. 4 mm × 5 mm, 0.5-mm Pitch VQFN Package With Wettable Flanks and 0.6-mm VIN Spacing
  5. Low EMI and Switch Noise
  6. Spread Spectrum Option
  7. External Frequency Synchronization
  8. RESET Output with Internal Filter and 3-ms Release Timer
  9. Pin-Selectable Forced PWM Mode
  10. Built-In Compensation, Soft Start, Current Limit, Thermal Shutdown, and UVLO
  11. 0.6-V Dropout at 3.5 A at 105°C TA
  12. ±1% Output Voltage Tolerance (–40°C to 125°C TJ)
  13. Available With Fixed 5-V, 3.3-V or Adjustable Output

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参数 与其它产品相比 降压转换器 (集成开关)

 
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Iout (Max) (A)
Regulated Outputs (#)
Switching Frequency (Min) (kHz)
Switching Frequency (Max) (kHz)
Iq (Typ) (mA)
Special Features
Control Mode
Duty Cycle (Max) (%)
Operating Temperature Range (C)
Rating
Package Group
LM53635-Q1 LM26001-Q1 LM26003-Q1 LM53600-Q1 LM53601-Q1 LM53602-Q1 LM53603-Q1 LM53625-Q1
3.5    3    3    3.5    3.5    3.5    3.5    3.5   
42    38    38    42    42    42    42    42   
3.2    1.25    1.25    3.3    3.2    3.2    3.2    3.2   
10    35    35    9.9    6    9.9    9.9    10   
3.5    1.5    3    0.65    1    2    3    2.5   
1    1    1    1    1    1    1    1   
1850    150    150    1890    1890    1850    1850    1850   
2350    500    500    2400    2400    2350    2350    2350   
0.018    0.038    0.04    0.023    0.023    0.023    0.023    0.018   
Enable
Frequency Synchronization
Light Load Efficiency
Power Good
Pre-Bias Start-Up
Synchronous Rectification   
Enable
Light Load Efficiency
Power Good
Pre-Bias Start-Up   
Enable
Light Load Efficiency
Power Good
Pre-Bias Start-Up   
Enable
Frequency Synchronization
Light Load Efficiency
Power Good
Synchronous Rectification   
Enable
Frequency Synchronization
Light Load Efficiency
Power Good
Synchronous Rectification   
Enable
Frequency Synchronization
Light Load Efficiency
Power Good
Synchronous Rectification   
Enable
Frequency Synchronization
Light Load Efficiency
Power Good
Synchronous Rectification   
Spread Spectrum
Synchronous Rectification   
Current Mode    Current Mode    Current Mode    Current Mode    Current Mode    Current Mode    Current Mode    Current Mode   
98    98    98    98    98    98    98    98   
-40 to 150    -40 to 125    -40 to 125    -40 to 150    -40 to 150    -40 to 150    -40 to 150    -40 to 150   
Automotive    Automotive    Automotive    Automotive    Automotive    Automotive    Automotive    Automotive   
VQFN-HR    HTSSOP    HTSSOP    WSON    WSON    HTSSOP    HTSSOP    VQFN-HR   
New! Interactive Design
Click to instantly view a schematic, charts, Bill of Materials, and Operating Values.

WEBENCH® Designer LM53635-Q1

  最小   最大 范围
输入电压  V 3.5 to 36.0V
输出电压  V 3.3 to 10.0V
输出电流  A ≤ 3.5A
环境温度  °C -40 to 150°C


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