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参数资料
| 型号： | MAX15046BEVKIT+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR MAX15046B |
| 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，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 10A |
| 输入电压： | 5 V ~ 40 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 350kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX15046B |
EVALUATION KIT AVAILABLE
MAX15046
40V, High-Performance, Synchronous
Buck Controller
General Description
The MAX15046 synchronous step-down controller oper-
ates from a 4.5V to 40V input voltage range and gener-
ates an adjustable output voltage from 85% of the input
voltage down to 0.6V, supporting loads up to 25A. The
device allows monotonic startup into a prebiased bus
without discharging the output and features adaptive
internal digital soft-start.
The MAX15046 offers the ability to adjust the switching
frequency from 100kHz to 1MHz with an external resis-
tor. The MAX15046’s adaptive synchronous rectifica-
tion eliminates the need for an external freewheeling
Schottky diode. The device also utilizes the external
low-side MOSFET’s on-resistance as a current-sense
element, eliminating the need for a current-sense resis-
tor. This protects the DC-DC components from damage
during output overloaded conditions or output short-
circuit faults without requiring a current-sense resistor.
Hiccup-mode current limit reduces power dissipation
during short-circuit conditions. The MAX15046 includes
a power-good output and an enable input with precise
turn-on/turn-off threshold, which can be used for input
supply monitoring and for power sequencing.
Additional protection features include sink-mode current
limit, and thermal shutdown. Sink-mode current limit pre-
vents reverse inductor current from reaching dangerous
levels when the device is sinking current from the output.
The MAX15046A/MAX15046B feature soft-stop opera-
tion. Soft-stop operation is disabled in the MAX15046C.
The MAX15046 is available in a 16-pin QSOP or 16-pin
QSOP-EP package and operates over the -40 ° C to
+125 ° C temperature range.
Features
S Input Voltage Ranges from 4.5V to 40V or 5V
Q 10%
S Adjustable Outputs from 0.85 x V IN Down to 0.6V
S Adjustable Switching Frequency (100kHz to 1MHz)
with Q 10% (1MHz) Accuracy
S Adaptive Internal Digital Soft-Start
S Up to 25A Output Capability
S Cycle-by-Cycle Valley-Mode Current Limit with
Adjustable, Temperature-Compensated Threshold
(30mV to 300mV)
S Monotonic Startup into Prebiased Output
S Q 1% Accurate Voltage Reference
S 90% Maximum Duty Cycle (MAX15046C)
S 3A Peak Gate Drivers
S Hiccup-Mode Short-Circuit Protection
S Overtemperature Shutdown
S Power-Good (PGOOD) Output and Enable Input
(EN) with Q 5% Accurate Threshold
S Thermally Enhanced 16-Pin QSOP Package
Applications
Industrial Power Supplies (PLC, Industrial
Computers, Fieldbus Components, Fieldbus
Couplers)
Telecom Power Supplies
Base Stations
Ordering Information and Pin Configurations appear at end
of data sheet.
Typical Operating Circuit
4.5V TO 40V
V IN
C1
IN
MAX15046
CSP
Q1
OFF
ON
V CC
PGOOD
EN
DH
LX
BST
C2
Q2
L1
C3
0.6V TO 0.85V x V IN
V OUT
LIM
DL
D1
R4
COMP
DRV
C5
R3
C6
FB
PGND
C4
R5
C7
RT
GND
R1
R3
R2
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-4719; Rev 2; 1/13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX15046BEVKIT+ | 功能描述:电源管理IC开发工具 MAX15046B Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX15046CAEE+ | 功能描述:DC/DC 开关控制器 40V Synch Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX15046CAEE+T | 功能描述:DC/DC 开关控制器 40V Synch Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX15046EEE+ | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX15046EEE+T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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