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| 型号： | MAX15015EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX15015 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | DC/DC，LDO 步降 |
| 输出及类型： | 2，非隔离 |
| 输出电压： | 3.3V，5V |
| 电流 - 输出： | 1A，50mA |
| 输入电压： | 4.5 ~ 40 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 500kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX15015 |
ATION
EVALU
AVAILA
19-0734; Rev 0; 1/07
KIT
BLE
1A, 4.5V to 40V Input Buck Converters with
50mA Auxiliary LDO Regulators
General Description
The MAX15014–MAX15017 combine a step-down DC-
DC converter and a 50mA, low-quiescent-current low-
dropout (LDO) regulator. The LDO regulator is ideal for
powering always-on circuitry in automotive applications.
The DC-DC converter input voltage range is 4.5V to 40V
for the MAX15015/MAX15016, and 7.5V to 40V for the
MAX15014/MAX15017.
The DC-DC converter output is adjustable from 1.26V to
32V and can deliver up to 1A of load current. These
devices utilize a feed-forward voltage-mode control
scheme for good noise immunity in the high-voltage
switching environment and offer external compensation
allowing for maximum flexibility with a wide selection of
inductor values and capacitor types. The switching
frequency is internally fixed at 135kHz and 500kHz,
depending on the version chosen. Moreover, the
switching frequency can be synchronized to an exter-
nal clock signal through the SYNC input. Light load effi-
ciency is improved by automatically switching to a
pulse-skip mode. The soft-start time is adjustable with
an external capacitor. The DC-DC converter can be
disabled independent of the LDO, thus reducing the
quiescent current to 47μA (typ).
The LDO linear regulators operate from 5V to 40V and
deliver a guaranteed 50mA load current. The devices
feature a preset output voltage of 5V (MAX1501_A) or
3.3V (MAX1501_B). Alternatively, the output voltage
can be adjusted from 1.5V to 11V by using an external
resistive divider. The LDO section also features a
Features
o Combined DC-DC Converters and Low-Quiescent-
Current LDO Regulators
o 1A DC-DC Converters Operate from 4.5V to 40V
(MAX15015/MAX15016) or 7.5V to 40V
(MAX15014/MAX15017)
o Switching Frequency of 135kHz
(MAX15014/MAX15016) or 500kHz
(MAX15015/MAX15017)
o 50mA LDO Regulator Operates from 5V to 40V
Independent of the DC-DC Converter
o 47 μ A Quiescent Current with DC-DC Converter
Off and LDO On
o 6 μ A System Shutdown Current
o Frequency Synchronization Input
o Shutdown/Enable Inputs
o Adjustable Soft-Start Time
o Active-Low Open-Drain R E S E T Output with
Programmable Timeout Delay
o Thermal Shutdown and Output Short-Circuit
Protection
o Space-Saving (6mm x 6mm) Thermally Enhanced
36-Pin TQFN Package
Ordering Information
RESET output with adjustable timeout period.
Protection features include cycle-by-cycle current limit,
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
hiccup-mode output short-circuit protection, and thermal
MAX15014 AATX+ -40°C to +125°C 36 TQFN-EP*
T3666-3
shutdown. All devices are available in a space-saving,
MAX15014BATX+
-40°C to +125°C 36 TQFN-EP*
T3666-3
high-power (2.86W), 36-pin TQFN package and are
rated for operation over the -40°C to +125°C automotive
temperature range.
Applications
MAX15015 AATX+ -40°C to +125°C 36 TQFN-EP*
MAX15015BATX+ -40°C to +125°C 36 TQFN-EP*
MAX15016 AATX+ -40°C to +125°C 36 TQFN-EP*
MAX15016BATX+ -40°C to +125°C 36 TQFN-EP*
MAX15017 AATX+ -40°C to +125°C 36 TQFN-EP*
T3666-3
T3666-3
T3666-3
T3666-3
T3666-3
Car Radios
MAX15017BATX+
-40°C to +125°C 36 TQFN-EP*
T3666-3
Automotive Body Control Modules
Automotive Instrument Cluster
Navigation Systems
+Denotes a lead-free package.
*EP = Exposed pad.
________________________________________________________________ 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
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| MAX15016AATX+ | 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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 |
| MAX15016AATX+T | 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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 |
| MAX15016BATX+ | 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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 |
| MAX15016BATX+T | 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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 |
| MAX15017AATX+ | 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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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