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UCC2585DTR PDF预览

UCC2585DTR

更新时间: 2024-11-08 19:22:51
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理开关光电二极管
页数 文件大小 规格书
21页 797K
描述
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, MS-012AC, SOIC-16

UCC2585DTR 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP16,.25
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.31模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:6.3 V最小输入电压:3 V
标称输入电压:3.3 VJESD-30 代码:R-PDSO-G16
长度:9.9 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):220认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:500 kHz技术:BICMOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

UCC2585DTR 数据手册

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ꢀ ꢁꢁ ꢂꢃ ꢄꢃ  
ꢀ ꢁꢁ ꢅꢃ ꢄꢃ  
SLUS304F − JULY 1999 − REVISED JANUARY 2005  
ꢆꢇ ꢈꢉꢊ ꢇ ꢆꢋꢌꢍ ꢎ ꢏꢐ ꢑꢁꢒꢓꢇ ꢑꢇ ꢀꢏ  
ꢔꢀꢁ ꢕ ꢁꢇ ꢑꢋ ꢓꢇ ꢆ ꢆꢎ ꢓ  
FEATURES  
DESCRIPTION  
D
D
D
D
D
VOUT Resistor Programmable Down to 0.9 V  
3.3-V or 5.0-V Input Supply  
The UCC3585 synchronous buck controller  
provides flexible high efficiency power conversion  
for output voltages as low as 0.9 V with ensured  
1% dc accuracy. With an input voltage range of  
3.0 V to 5.5 V, it is the ideal choice for 3.3 V only,  
5.0 V only, or other low voltage systems. The fixed  
frequency oscillator is capable of providing  
practical PWM operation to 500 kHz.  
1% DC Accuracy  
High Efficiency Synchronous Switching  
Drives P-Channel (High Side) and N-Channel  
(Low Side) MOSFETs  
D
Lossless Programmable Current Limit  
Logic Compatible Shutdown  
D
The UCC3585 drives a complementary pair of  
power MOSFET transistors. A P-channel on the  
high side, and an N-channel on the low side step  
down the input voltage at up to 90% efficiency.  
APPLICATIONS  
D
Local Microprocessor Core Voltage Power  
Supplies for Desktop and Notebook  
Computers  
A
programmable two-level current limiting  
function is provided by sensing the voltage drop  
across the high side P-channel MOSFET. This  
circuit can be configured to provide pulse-  
by-pulse limiting, timed shutdown after seven  
consecutive faults, or latch-off after fault detec-  
tion, allowing maximum application flexibility. The  
current limit threshold can be programmed over a  
wide range with a single resistor.  
D
D
DSP Core or I/O Powering  
High-Speed GTL Bus Regulation  
VIN  
C7  
0.47 µ F  
R4  
14 kΩ  
V
V
= 3.3 V  
= 1.8 V  
IN  
OUT  
= 3 A (max)  
UCC3585  
CLSET  
R1  
10 kΩ  
+
I
OUT  
C1  
Q1  
SI4562DY  
15 VIN  
8
150 µ F  
ENABLE  
L1  
3.7 µ H  
1
2
4
ENB  
COMP ISENSE 11  
VFB NDRV 14  
PDRV 12  
C2 5600 pF  
C3 47 pF  
R2 10 kΩ  
V
OUT  
R5  
2 kΩ  
+
+
10 SD  
SS  
16 CT  
ISET  
N/C  
N/C  
6
9
C4 0.47 µ F  
C5 0.1 µ F  
C6 470 pF  
R3 100 kΩ  
C8  
150 µ F  
C9  
10 µ F  
3
PWRGND 13  
R6  
2 kΩ  
7
GND  
5
RTN  
RTN  
UDG−01127  
ꢋꢤ  
Copyright 2001, Texas Instruments Incorporated  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
1
www.ti.com  

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