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参数资料
| 型号： | MAX15041ETE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 3A 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 25.2 V |
| 输入电压： | 4.5 V ~ 28 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 350kHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
Low-Cost, 3A, 4.5V to 28V Input, 350kHz, PWM
Step-Down DC-DC Regulator with Internal Switches
Pin Configuration
TOP VIEW
PGND 13
PGND 14
12
11
10
9
8
7
I.C.
SGND
IN 15
MAX15041
6
SS
IN 16
+
1
2
3
*EP
4
5
FB
TQFN
*EXPOSED PAD, CONNECT TO SGND.
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10, 11, 12
13, 14
15, 16
—
NAME
V DD
PGOOD
EN
COMP
FB
SS
SGND
I.C.
BST
LX
PGND
IN
EP
FUNCTION
Internal LDO 5V Output. Supply input for the internal analog core. Bypass with a ceramic capacitor of at
least 1μF to SGND. See Figure 3.
Power-Good Open-Drain Output. PGOOD goes low if FB is below 545mV.
Enable Input. EN is a digital input that turns the regulator on and off. Drive EN high to turn on the regulator.
Connect to IN for always-on operations.
Voltage Error-Amplifier Output. Connect the necessary compensation network from COMP to SGND.
Feedback Input. Connect FB to the center tap of an external resistor-divider from the output to SGND to set
the output voltage from 0.606V to 90% of V IN .
Soft-Start Input. Connect a capacitor from SS to SGND to set the soft-start time (see the Setting the Soft-
Start Time section).
Analog Ground. Connect to PGND plane at one point near the input bypass capacitor return terminal.
Internally Connected. Connect to SGND.
High-Side MOSFET Driver Supply. Bypass BST to LX with a 10nF capacitor. Connect an external diode
(see the Diode Selection section) from V DD to BST.
Inductor Connection. Connect the LX pin to the switched side of the inductor. LX is high impedance when
the IC is in shutdown mode, thermal shutdown mode, or V DD is below the UVLO threshold.
Power Ground. Connect to the SGND PCB copper plane at one point near the input bypass capacitor
return terminal.
Input Power Supply. Input supply range is from 4.5V to 28V. Bypass with a ceramic capacitor of at least
22μF to PGND.
Exposed Pad. Connect to SGND externally. Solder the exposed pad to a large contiguous copper plane to
maximize thermal performance.
8
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| MAX15041EVKIT+ | 功能描述:电源管理IC开发工具 3A 350kHz Step-Down w/Internal Switch 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 |
| MAX15046AAEE+ | 功能描述:DC/DC 开关控制器 40V Synchronous 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 |
| MAX15046AAEE+T | 功能描述:DC/DC 开关控制器 40V Synchronous 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 |
| MAX15046AEEE+ | 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 |
| MAX15046AEEE+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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