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参数资料
| 型号： | MAX1771CSA |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 500kHz |
| 占空比： | 92% |
| 电源电压： | 3 V ~ 16.5 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
MAX1771
12V or Adjustable, High-Efficiency,
Low I Q , Step-Up DC-DC Controller
Typical Operating Characteristics (continued)
(Circuit of Figure 2a, T A = +25°C, unless otherwise noted.)
ENTERING/EXITING SHUTDOWN
A
0V
B
5V
0V
2ms/div
I OUT = 500mA, V IN = 5V
A: SHDN, 5V/div
B: V OUT , 5V/div
Pin Description
6
PIN
1
2
3
4
5
6
7
8
NAME
EXT
V+
FB
SHDN
REF
AGND
GND
CS
FUNCTION
Gate Drive for External N-Channel Power Transistor
Power-Supply Input. Also acts as a voltage-sense point when in bootstrapped mode.
Feedback Input for Adjustable-Output Operation. Connect to ground for fixed-output operation.
Use a resistor divider network to adjust the output voltage. See Setting the Output Voltage section.
Active-High TTL/CMOS Logic-Level Shutdown Input. In shutdown mode, V OUT is a diode drop
below V+ (due to the DC path from V+ to the output) and the supply current drops to 5μA
maximum. Connect to ground for normal operation.
1.5V Reference Output that can source 100μA for external loads. Bypass to GND with 0.1μF.
The reference is disabled in shutdown.
Analog Ground
High-Current Ground Return for the Output Driver
Positive Input to the Current-Sense Amplifier. Connect the current-sense resistor between CS
and GND.
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1771CSA+ | 功能描述:DC/DC 开关控制器 12/Adj V Low IQ Step-Up 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 |
| MAX1771CSA+T | 功能描述:DC/DC 开关控制器 12/Adj V Low IQ Step-Up 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 |
| MAX1771CSA+TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1771CSA-G05 | 功能描述:DC/DC 开关控制器 12/Adj V Low IQ Step-Up 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 |
| MAX1771CSAT | 制造商:MAXIM 功能描述:DC/DC SWITCHING CONTROLLERS |
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