MAX5082, MAX5083
1.5A、40V、MAXPower降压型DC-DC转换器
概述
完整的数据资料
(PDF, 416kB)
英文 下载
MAX5082/MAX5083是250kHz、PWM降压型DC-DC变换器，带有片内、0.3Ω高边开关。MAX5082的输入电压范围为4.5V至40V，MAX5083为7.5V至40V。输出电压在1.23V至32V范围内可调，并可输出高达1.5A的负载电流。
关键特性
应用/使用
4.5V至40V (MAX5082)或7.5V至40V (MAX5083)输入电压范围
1.5A输出电流
VOUT 范围：1.23V至32V
内部高边开关
内部振荡器频率固定在250kHz
轻载时自动切换至跳脉冲模式
外部频率同步
热关断与短路保护
工作于-40°C至+125°C温度范围
节省空间的(5mm x 5mm)、高功率耗散能力、16引脚TQFN封装
Key Specifications:
Step-Down Switching Regulators
Part Number
VIN (min) (V)
VIN (max) (V)
Min. VOUT (V)
Max. VOUT (V)
IOUT (A)
IOUT (A)
Output Adj. Method
Operating Current, ICC (max) (mA)
Number of DC-DC Outputs
Operating Freq. (kHz)
Package
Smallest Available Package (max w/pins) (mm2 )
Price**
MAX5082
4.5
40
1.23
32
1.5
1.5
Resistor
2.5
1
250
TQFN/16
26
$1.94 @ 1k
MAX5083
7.5
2.3
$1.94 @ 1k
See All Step-Down Switching Regulators (252)
Notes:
** This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
图表
典型工作电路
参考文献： 19-3657;
Rev. 0;
2005-05-25
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