參數(shù)資料
型號： MAX1549EVKIT
廠商： Maxim Integrated Products, Inc.
英文描述： MAX1549 Evaluation Kit
中文描述： MAX1549評估板
文件頁數(shù)： 1/11頁
文件大?。?/td> 623K
代理商： MAX1549EVKIT
General Description
The MAX1549 evaluation kit (EV kit) demonstrates the
MAX1549’s standard application circuit. This DC-DC
converter steps down high-voltage batteries and/or AC
adapters, generating precision low-voltage chipset and
RAM power supplies for notebook computers.
The MAX1549 EV kit provides a dynamically adjustable
0.7V to 1.5V output voltage range (OUT1), and a fixed
2.5V output voltage (OUT2) from a 5V to 20V battery
input range. It delivers up to a 6A output current for
OUT1, and up to a 4A output current for OUT2, with
greater than 90% efficiency. The EV kit operates at
300kHz switching frequency and has superior line- and
load-transient response.
This EV kit is a fully assembled and tested circuit
board. It is capable of evaluating other dynamically
adjustable output voltages in the 0.5V to 2.0V range by
changing R10–R14. Other fixed output voltages in the
0.5V to 2.7V range can be evaluated by changing R20
and R21.
Features
5V to 20V Input Voltage Range
Four Digitally Selectable Operating Voltages
(OUT1)
Dynamically Selectable Output Voltages
0.7V/1.0V/1.3V/1.5V (OUT1, Adjustable from 0.5V
to 2.0V)
Fixed 2.5V Output Voltage (OUT2, Adjustable from
0.5V to 2.7V)
6A Output Current (OUT1)
4A Output Current (OUT2)
300kHz Switching Frequency
Independent Power-Good Outputs
Low-Profile Components
Fully Assembled and Tested
E
MAX1549 Evaluation Kit
________________________________________________________________
Maxim Integrated Products
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.
1
19-3299; Rev 0; 5/04
Component List
Ordering Information
PART
TEMP RANGE
IC PACKAGE
40 Thin QFN
(6mm x 6mm)
MAX1549EVKIT
0
o
C to +70
o
C
DESIGNATION
C1, C19
QTY
0
DESCRIPTION
Not installed (E-case)
C2
1
470μF, 2.5V, 6m
low-ESR polymer
capacitor (E-case)
Sanyo 2R5TPD470M6
C3
1
220μF, 4V, 15m
low-ESR
capacitor (D-case)
Sanyo 4TPE220MF
C4, C5
2
10μF ±20%, 25V X5R ceramic
capacitors (1812)
Taiyo Yuden TMK432BJ106KM or
TDK C4532X5R1E106M
C6, C7
0
Not installed (1812)
C8, C9
2
0.1μF ±10%, 50V X7R ceramic
capacitors (0603)
Murata GRM188R71H104K or
equivalent
C10, C11,
C20–C26
0
Not installed (0603)
DESIGNATION
QTY
DESCRIPTION
C12
1
2.2μF, 10V X5R ceramic capacitor
(0612)
TDK C1632X5R1A225KTB09N
C13, C16
2
470pF ±10%, 50V X7R ceramic
capacitors (0603)
Murata GRM188R71H471K or
equivalent
C14
1
0.22μF, 16V X5R ceramic capacitor
(0805)
Taiyo Yuden EMK212BJ224KG
C15
1
1μF ±20%, 10V X5R ceramic
capacitor (0805)
Taiyo Yuden LMK212BJ105KG or
TDK C2012X7R1C105MKT
C17, C18
2
100pF ±5%, 50V C0G ceramic
capacitors (0603)
Murata GRM1885C1H101J or
equivalent
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