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参数资料
| 型号： | MAX16955AUE/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/26页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 16TSSOP |
| 其它有关文件： | Automotive Product Guide |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 电源电压： | 3.5 V ~ 36 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 管件 |
MAX16955
36V, 1MHz Step-Down Controller
with Low Operating Current
Pin Configuration
TOP VIEW
SUP
EN
FOSC
1
2
3
+
16
15
14
BST
DH
LX
MAX16955
FSYNC
SGND
COMP
FB
4
5
6
7
13
12
11
10
BIAS
DL
PGND
PGOOD
EP
CS
8
9
OUT
TSSOP
Pin Description
PIN
1
2
3
4
5
6
7
8
NAME
SUP
EN
FOSC
FSYNC
SGND
COMP
FB
CS
FUNCTION
Input Supply Voltage. SUP is the input voltage to the internal linear regulator. Bypass SUP to PGND with
a 1μF minimum value ceramic capacitor. Connect BIAS and SUP to a 5V rail, if available.
Active-High Enable Input. EN is compatible with 5V and 3.3V logic levels. Drive EN logic-high to enable
the output or drive EN logic-low to put the controller in low-power shutdown mode. Connect EN to SUP
for always-on operation. Do not leave EN unconnected.
Oscillator-Timing Resistor Input. Connect a resistor from FOSC to SGND to set the oscillator frequency
from 220kHz to 1MHz. See the Setting the Switching Frequency section.
Synchronization and Mode Selection Input. Connect FSYNC to BIAS to select fixed-frequency PWM
mode and disable skip mode. Connect FSYNC to SGND to select skip mode. Connect FSYNC to an
external clock for synchronization. FSYNC is internally pulled down to ground with a 1M
resistor.
Signal Ground. Connect SGND directly to the local ground plane. Connect SGND to PGND at a single
point, typically near the output capacitor return terminal.
Error Amplifier Output. Connect COMP to the compensation feedback network. See the Compensation
Design section.
Feedback Regulation Point. Connect FB to BIAS for a fixed 5V output voltage. In adjustable mode,
connect to the center tap of a resistive divider from the output (V OUT ) to SGND to set the output voltage.
The FB voltage regulates to 1V (typ).
Positive Current-Sense Input. Connect CS to the positive terminal of the current-sense element. Figure
4 shows two different current-sensing options: 1) accurate sense with a sense resistor or 2) lossless
inductor DCR sensing.
Maxim Integrated
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16955EVKIT# | 功能描述:电源管理IC开发工具 MAX16955 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 |
| MAX16955EVKIT+ | 功能描述:电源管理IC开发工具 MAX16955 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 |
| MAX16956AUBA/V+T | 制造商:Maxim Integrated Products 功能描述:36V, 300MA, MINI BUCK CONVERTER WITH 2UA IQ - Tape and Reel |
| MAX16958GEE/V+ | 功能描述:模数转换器 - ADC 500mA Hi-Speed USB Protector RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX16958GEE/V+T | 功能描述:模数转换器 - ADC 500mA Hi-Speed USB Protector RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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