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MAX17550AUB+ PDF预览

MAX17550AUB+

更新时间: 2024-11-15 14:53:03
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关光电二极管输出元件
页数 文件大小 规格书
21页 1102K
描述
Switching Regulator, Current-mode, 0.078A, 2300kHz Switching Freq-Max, BICMOS, PDSO10, UMAX-10

MAX17550AUB+ 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:6 weeks风险等级:2.3
其他特性:OUTPUT VOLTAGE RANGE FROM 0.8 V TO 54 V, ALSO OPERATES IN PFM CONTROL TECHNIQUE模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:60 V最小输入电压:4 V
标称输入电压:24 VJESD-30 代码:S-PDSO-G10
长度:3 mm功能数量:1
端子数量:10最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:0.078 A
标称输出电压:3.3 V封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
座面最大高度:1.1 mm表面贴装:YES
切换器配置:BOOST最大切换频率:2300 kHz
技术:BICMOS温度等级:AUTOMOTIVE
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

MAX17550AUB+ 数据手册

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MAX17550  
60V, 25mA, Ultra-Small, High-Efficiency,  
Synchronous Step-Down DC-DC Converter  
with 22µA No-Load Supply Current  
General Description  
Benefits and Features  
Reduces External Components and Total Cost  
The MAX17550 high-efficiency, high-voltage, synchronous  
step-down DC-DC converter with integrated MOSFETs  
operates over a 4V to 60V input. The converter can deliver  
up to 25mA and generates output voltages from 0.8V up  
• No Schottky–Synchronous  
• Internal Compensation for Any Output Voltage  
• Built-In Soft-Start  
• All-Ceramic Capacitors, Compact Layout  
to 0.9 x V . The feedback (FB) voltage is accurate to  
IN  
within ±1.75% over -40°C to +125°C.  
Reduces Number of DC-DC Regulators to Stock  
The MAX17550 uses peak-current-mode control. The  
device can be operated in pulse-width modulation (PWM)  
or pulse-frequency modulation (PFM) modes.  
• Wide 4V to 60V Input  
• Adjustable 0.8V to 0.9 x V Output  
• 100kHz to 2.2MHz Adjustable Switching Frequency  
with External Synchronization  
IN  
The device is available in a 10-pin (3mm x 2mm) TDFN  
and 10-pin (3mm x 3mm) μMAX® packages. Simulation  
models are available.  
Reduces Power Dissipation  
• 22µA Quiescent Current  
Peak Efficiency > 90%  
PFM Enables Enhanced Light-Load Efficiency  
• 1.2µA Shutdown Current  
Applications  
Industrial sensors and Process control  
High-Voltage LDO Replacement  
Battery-Powered Equipment  
Operates Reliable in Adverse Environments  
• Peak Current-Limit Protection  
HVAC and Building Control  
• Built-In Output-Voltage Monitoring RESET  
• Programmable EN/UVLO Threshold  
• Monotonic Startup Into Prebiased Load  
• Overtemperature Protection  
• High Industrial -40°C to +125°C Ambient Operating  
Temperature Range / -40°C to +150°C Junction  
Temperature Range  
Ordering Information appears at end of data sheet.  
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
Typical Application Circuits—High-Efficiency 5V, 25mA Regulator  
L1  
1m  
V
V
OUT  
5V, 25mA  
IN  
H
6V TO 60V  
IN  
LX  
C
IN  
F
C
10µF  
MAX17550  
OUT  
1
µ
EN/UVLO  
GND  
R4  
22.1  
SS  
V
OUT  
FB  
C1  
0.22  
R1  
261k  
µ
F
MODE  
RT/SYNC  
R2  
49.9k  
SWITCHING FREQUENCY = 220kHz  
L1 COILCRAFT LPS5030-105M  
R3  
191k  
C
C
MURATA 10µF/X7R/6.3V/0805 (GRM21BR70J106K)  
MURATA 1µF/X7R/100V/1206 (GRM31CR72A105K)  
RESET  
OUT  
IN  
19-7109; Rev 2; 9/17  

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