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| 型号： | MAX5035DUPA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1A 8DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 13.2 V |
| 输入电压： | 7.5 V ~ 76 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 125kHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 包装： | 管件 |
| 供应商设备封装： | 8-PDIP |
EVALUATION KIT AVAILABLE
AVAILAB
LE
MAX5035
1A, 76V, High-Efficiency MAXPower
Step-Down DC-DC Converter
General Description
The MAX5035 easy-to-use, high-efficiency, high-volt-
age, step-down DC-DC converter operates from an
input voltage up to 76V and consumes only 270μA qui-
escent current at no load. This pulse-width modulated
(PWM) converter operates at a fixed 125kHz switching
frequency at heavy loads, and automatically switches
to pulse-skipping mode to provide low quiescent cur-
rent and high efficiency at light loads. The MAX5035
includes internal frequency compensation simplifying
circuit implementation. The device uses an internal low-
on-resistance, high-voltage, DMOS transistor to obtain
high efficiency and reduce overall system cost. This
device includes undervoltage lockout, cycle-by-cycle
current limit, hiccup mode output short-circuit protec-
tion, and thermal shutdown.
The MAX5035 delivers up to 1A output current. The out-
put current may be limited by the maximum power dis-
sipation capability of the package. External shutdown is
included, featuring 10μA (typ) shutdown current. The
Features
o Wide 7.5V to 76V Input Voltage Range
o Fixed (3.3V, 5V, 12V) and Adjustable
(1.25V to 13.2V) Versions
o 1A Output Current
o Efficiency Up to 94%
o Internal 0.4? High-Side DMOS FET
o 270 μ A Quiescent Current at No Load, 10 μ A
Shutdown Current
o Internal Frequency Compensation
o Fixed 125kHz Switching Frequency
o Thermal Shutdown and Short-Circuit Current
Limit
o 8-Pin SO and PDIP Packages
Ordering Information
MAX5035A/B/C versions have fixed output voltages of
3.3V, 5V, and 12V, respectively, while the MAX5035D/E
versions have an adjustable output voltage from 1.25V
to 13.2V.
The MAX5035 is available in space-saving 8-pin SO
PART
MAX5035AUSA
TEMP RANGE
0°C to +85°C
PIN-
PACKAGE
8 SO
OUTPUT
VOLTAGE
(V)
and 8-pin plastic DIP packages and operates over the
automotive (-40°C to +125°C) temperature range.
MAX5035AUPA
MAX5035AASA
0°C to +85°C 8 PDIP
-40°C to +125°C 8 SO
3.3
MAX5035AASA/V+ -40°C to +125°C 8 SO
Applications
MAX5035BUSA
0°C to +85°C
8 SO
Automotive Functional Diagrams
Consumer Electronics
MAX5035BUPA
MAX5035BASA
0°C to +85°C 8 PDIP
-40°C to +125°C 8 SO
5.0
Industrial
Distributed Power
Typical Operating Circuit
V IN
7.5V TO 76V
MAX5035BASA/V+ -40°C to +125°C 8 SO
/V denotes an automotive qualified part.
+Denotes a lead(Pb)-free/RoHS-compliant package.
Ordering Information continued at end of data sheet.
Pin Configuration
68 μ F
V IN
BST
TOP VIEW
0.1 μ F
R1
MAX5035
LX
D1
100 μ H
V OUT
5V
BST
1
8
LX
ON
ON/OFF
FB
50SQ100
68 μ F
VD
SGND
2
3
MAX5035
7
6
V IN
GND
R2
VD
FB
4
5
ON/OFF
0.1 μ F
OFF SGND GND
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
SO/PDIP
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim integrated .com.
19-2988; Rev 5; 5/11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5035DUPA+ | 功能描述:直流/直流开关转换器 1A 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX5035DUSA | 功能描述:直流/直流开关转换器 1A 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX5035DUSA+ | 功能描述:直流/直流开关转换器 1A 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX5035DUSA+T | 功能描述:直流/直流开关转换器 1A 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX5035DUSA-T | 功能描述:直流/直流开关转换器 1A 76V MAXPower Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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