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MAX1545ETL-T

更新时间： 2024-09-16 13:10:23
品牌 Logo 应用领域
美信 - MAXIM 控制器
页数 文件大小 规格书
43页 808K
描述
Switching Controller, Current-mode, 550kHz Switching Freq-Max, BICMOS, 6 X 6 MM, 0.80 MM HEIGHT, TQFN-40

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MAX1545ETL-T 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：QFN
包装说明：VQCCN,针数：40
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.66
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：4.5 V标称输入电压：5 V
JESD-30 代码：S-XQCC-N40JESD-609代码：e0
长度：6 mm湿度敏感等级：1
功能数量：1端子数量：40
最高工作温度：100 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：VQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, VERY THIN PROFILE
峰值回流温度（摄氏度）：245认证状态：Not Qualified
座面最大高度：0.8 mm表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：550 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：6 mm
Base Number Matches：1

MAX1545ETL-T 数据手册

 浏览型号MAX1545ETL-T的Datasheet PDF文件第2页浏览型号MAX1545ETL-T的Datasheet PDF文件第3页浏览型号MAX1545ETL-T的Datasheet PDF文件第4页浏览型号MAX1545ETL-T的Datasheet PDF文件第5页浏览型号MAX1545ETL-T的Datasheet PDF文件第6页浏览型号MAX1545ETL-T的Datasheet PDF文件第7页 
19-2734; Rev 0; 1/03  
Dual-Phase, Quick-PWM Controllers for  
Programmable CPU Core Power Supplies  
General Description  
Features  
The MAX1519/MAX1545 are dual-phase, Quick-PWM™,  
step-down controllers for desktop and mobile Pentium®4  
(P4) CPU core supplies. Dual-phase operation reduces  
input ripple current requirements and output voltage rip-  
ple while easing component selection and layout difficul-  
ties. The Quick-PWM control scheme provides  
instantaneous response to fast load-current steps. The  
MAX1519/MAX1545 include active voltage positioning  
with adjustable gain and offset, reducing power dissipa-  
tion and bulk output capacitance requirements.  
o Dual-Phase, Quick-PWM Controllers  
o ±±0.75 ꢀ Accuracy Over Line, Load, and  
OUT  
Temperature (103ꢀ)  
o Active ꢀoltage Positioning with Adjustable Gain  
and Offset  
o 7-Bit On-Board DAC  
Mobile: ±06±ꢀ to 10.7ꢀ Output Range  
Desktop: 101±ꢀ to 1087ꢀ Output Range  
o Selectable 1±±kHz/2±±kHz/3±±kHz/77±kHz  
The MAX1519/MAX1545 are intended for two different  
notebook CPU core applications: stepping down the bat-  
tery directly or stepping down the 5V system supply to  
create the core voltage. The single-stage conversion  
method allows these devices to directly step down high-  
voltage batteries for the highest possible efficiency.  
Alternatively, two-stage conversion (stepping down the  
5V system supply instead of the battery) at a higher  
switching frequency provides the minimum possible  
physical size.  
Switching Frequency  
o 4ꢀ to 28ꢀ Battery Input ꢀoltage Range  
o Adjustable Slew-Rate Control  
o Drive Large Synchronous Rectifier MOSFETs  
o Output Overvoltage Protection (MAX1747 Only)  
o Undervoltage and Thermal-Fault Protection  
o Power Sequencing and Timing  
o Selectable Suspend ꢀoltage (±06.7ꢀ to 1047ꢀ)  
o Soft-Shutdown  
The MAX1519/MAX1545 comply with Intel’s P4 specifi-  
cations. The switching regulator features soft-start,  
power-up sequencing, and soft-shutdown. The  
MAX1519/MAX1545 also feature independent four-level  
logic inputs for setting the suspend voltage (S0–S1).  
o Selectable Single- or Dual-Phase Pulse Skipping  
Ordering Information  
The MAX1519/MAX1545 include output undervoltage  
protection (UVP), thermal protection, and voltage regula-  
tor power-OK (VROK) output. When any of these protec-  
tion features detect a fault, the controller shuts down.  
Additionally, the MAX1519/MAX1545 include overvoltage  
protection.  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX1719ETL -40°C to +100°C  
MAX1747ETL -40°C to +100°C  
40 Thin QFN 6mm ✕ 6mm  
40 Thin QFN 6mm ✕ 6mm  
The MAX1519/MAX1545 are available in low-profile, 40-  
pin, 6mm x 6mm thin QFN packages. For other CPU  
platforms, refer to the pin-to-pin compatible MAX1544  
and MAX1532/MAX1546/MAX1547 data sheets.  
Pin Configuration  
TOP VIEW  
Applications  
Desktop and Mobile P4 Computers  
TIME  
TON  
SUS  
S0  
1
2
30  
V
DD  
29 DLM  
28 DHM  
27 LXM  
26 BSTM  
25 VROK  
24 D0  
Multiphase CPU Core Supply  
3
Voltage-Positioned Step-Down Converters  
Servers/Desktop Computers  
4
S1  
5
MAX1519  
MAX1545  
SHDN  
OFS  
REF  
6
7
Low-Voltage, Digitally Programmable Power  
Supplies  
D1  
8
23  
ILIM  
9
22 D2  
21 D3  
10  
V
CC  
Quick-PWM is a trademark of Maxim Integrated Products, Inc.  
Pentium is a registered trademark of Intel Corp.  
THIN QFN  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...43

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