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參數資料
| 型號： | MAX1928 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Low-Output-Voltage.800mA.PWM Step-Down DC-DC Converters |
| 中文描述： | 低輸出電壓、800mA、PWM降壓型DC-DC轉換器 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 540K |
| 代理商： | MAX1928 |
General Description
The MAX1932 evaluation kit (EV kit) is a fully assembled
and tested surface-mount circuit board. The EV kit con-
tains a MAX1932 step-up switching regulator that
includes an 8-bit DAC with an SPI-compatible serial
interface. The output of the step-up switching regulator
is configured for a range of 40V to 90V and can provide
up to 2mA. The EV kit is powered from a DC supply
providing 4.5V to 5.5V. The EV kit can be reconfigured
for an input voltage down to 3V.
The SPI-compatible serial interface can be connected
to an IBM-compatible PC parallel port for evaluation.
Windows
95/98/2000-compatible software provides a
user-friendly interface to demonstrate the features of
the MAX1932 IC. The program is menu driven and
offers a graphics interface with control buttons.
The MAX1932 EV kit features current-limit protection for
the output. The MAX1932 QFN package and small
external components permit the circuit area to be less
than 0.6in
0.9in.
Features
4.5V to 5.5V Input Range
Output Voltage Ranges from 40V to 90V
Output Ranges are Adjustable with Resistors
Overcurrent Protection
SPI-Compatible Serial Interface
Menu-Driven Software
Windows 95/98/2000-Compatible Software
Reconfigurable for Input Voltages Down to 3V
(Refer to the IC Data Sheet)
Surface-Mount Components
Fully Assembled and Tested
E
MAX1932 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
DESIGNATION
QTY
DESCRIPTION
C1, C6
2
1μF
±
10%, 6.3V X5R ceramic
capacitors (0603)
TDK C1608X5R0J105K
0.047μF
±
10%, 100V X7R ceramic
capacitor (0805)
TDK C2012X7R2A473K
0.1μF
±
10%, 100V X7R ceramic
capacitor (1206)
TDK C3216X7R2A104K
0.22μF
±
10%, 10V X5R ceramic
capacitor (0603)
TDK C1608X5R1A224K
0.1μF
±
10%, 16V X7R ceramic
capacitor (0603)
TDK C1608X7R1C104K
150mA, 100V Schottky barrier diode
SOD123
Diodes Inc. BAT46W
200mA, 25V Schottky diodes SOT23
Fairchild BAT54C
DB-25 male right-angle connector
5-pin header
2-pin headers
C2
1
C3
1
C4
1
C7
1
D1
1
D2, D3
2
J1
J2
1
1
3
JU2, JU3, JU4
Component List
Ordering Information
19-2650; Rev 0; 10/02
PART
TEMP RANGE
0°C to +70°C
IC PACKAGE
12 QFN (4mm
4mm)
MAX1932EVKIT
DESIGNATION
QTY
DESCRIPTION
L1
1
100μH, 170mA inductor
Sumida CMD4D13-101MC
170mA, 100V N-channel MOSFET
SOT23
Fairchild BSS123
806
±
1% resistor (0805)
91k
±
5% resistor (0805)
1M
±
5% resistors (0603)
1M
±
1% resistor (0805)
24.9k
±
1% resistor (0805)
20k
±
5% resistor (0603)
32.4k
±
1% resistor (0805)
Not installed, resistor (0603)
MAX1932ETC
12-lead QFN 4mm
4mm
MAX1841EUB 10-pin μMAX
Shunts (JU2, JU3, JU4)
MAX1932 PC board
N1
1
R1
R2
1
1
3
1
1
1
1
0
R3, R9, R10
R5
R6
R7
R8
R11
U1
1
U2
None
None
1
3
1
SPI is a trademark of Motorola, Inc.
Windows is a registered trademark of Microsoft Corp.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1928EUB15 | 功能描述:直流/直流開關轉換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1928EUB15+ | 功能描述:直流/直流開關轉換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1928EUB15+T | 功能描述:直流/直流開關轉換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1928EUB15-T | 功能描述:直流/直流開關轉換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1928EUB18 | 功能描述:直流/直流開關轉換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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