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MAX15036

更新时间: 2024-11-15 02:52:23
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美信 - MAXIM /
页数 文件大小 规格书
25页 396K
描述
2.2MHz, 3A Buck or Boost Converters with an Integrated High-Side Switch

MAX15036 数据手册

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19-4222; Rev 0; 7/08  
2.2MHz, 3A Buck or Boost Converters  
with an Integrated High-Side Switch  
6/MAX15037  
General Description  
Features  
o 4.5V to 5.5V or 5.5V to 23V Input Voltage Range  
The MAX15036/MAX15037 high-frequency, DC-DC con-  
verters with an integrated n-channel power MOSFET  
provide up to 3A of load current. The MAX15036  
includes an internal power MOSFET to enable the  
design of a nonsynchronous buck or boost topology  
power supply. The MAX15037 is for the design of a  
synchronous buck topology power supply. These  
devices operate from a 4.5V to 5.5V or 5.5V to 23V  
input voltage and offer the ability to set the switching  
frequency from 200kHz to 2.2MHz with an external  
resistor. The voltage-mode architecture with a peak  
switch current-limit scheme provides stable operation  
up to a 2.2MHz switching frequency. The MAX15036  
includes a clock output for driving a second DC-DC  
converter 180° out-of-phase and a power-on-reset  
(RESET) output. The MAX15037 includes a power-good  
output and a synchronous rectifier driver to drive an  
external low-side MOSFET in the buck converter config-  
uration for high efficiency.  
o Output Voltage Adjustable Down to 0.6V (Buck) or  
Up to 28V (Boost)  
o 3A Output Current  
o Synchronous Rectifier Driver Output (MAX15037)  
for Higher Efficiency  
o Resistor-Programmable Switching Frequency  
from 200kHz to 2.2MHz  
o External Synchronization and Enable (On/Off)  
Inputs  
o Clock Output for Driving Second Converter 180°  
Out-Of-Phase (MAX15036)  
o Integrated 150mΩ High-Side n-Channel Power  
MOSFET  
o Power-On-Reset Output (MAX15036)/Power-Good  
Output (MAX15037)  
o Short-Circuit Protection (Buck)/Maximum Duty-  
Cycle Limit (Boost)  
o Thermal-Shutdown Protection  
The MAX15036/MAX15037 protect against overcurrent  
conditions by utilizing a peak current limit as well as  
overtemperature shutdown providing a very reliable  
and compact power source for point-of-load regulation  
applications. Additional features include synchroniza-  
tion, internal digital soft-start, and an enable input. The  
MAX15036/MAX15037 are available in a thermally  
enhanced, space-saving 16-pin TQFN (5mm x 5mm)  
package and operate over the -40°C to +125°C tem-  
perature range.  
o Thermally Enhanced 16-Pin TQFN Package  
Dissipates 2.7W  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +125°C  
-40°C to +125°C  
PIN-PACKAGE  
16 TQFN-EP*  
16 TQFN-EP*  
MAX15036ATE+  
MAX15037ATE+  
+Denotes a lead-free/RoHS-compliant package.  
*EP = Exposed pad.  
Applications  
Pin Configurations  
xDSL Modem Power Supplies  
Automotive Radio Power Supplies  
Servers and Networks  
TOP VIEW  
12  
11  
10  
9
IP Phones/WLAN Access Points  
V
8
7
6
5
SYNC  
13  
L
Selector Guide  
RESET 14  
V+  
PART  
CONFIGURATION  
FEATURES  
MAX15036  
Nonsynchronous  
Buck or Boost  
RESET Output,  
Clock Output  
BST/VDD 15  
BYPASS  
OSC  
MAX15036ATE  
16  
EN  
EP*  
PGOOD Output,  
Synchronous FET  
Driver  
+
MAX15037ATE  
Synchronous Buck  
1
2
3
4
Pin Configurations continued at end of data sheet.  
THIN QFN  
5mm x 5mm  
*EXPOSED PAD.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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