- 您现在的位置：买卖IC网 > PDF目录14846 > MIC3172YN (Micrel Inc)IC REG BUCK BOOST INV CUK 8DIP PDF资料下载
参数资料
| 型号： | MIC3172YN |
| 厂商： | Micrel Inc |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST INV CUK 8DIP |
| 标准包装： | 50 |
| 类型： | 降压（降压），升压（升压），反相，Cuk |
| 输出数： | 1 |
| 输入电压： | 3 V ~ 40 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 100kHz |
| 电流 - 输出： | 1.25A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 包装： | 管件 |
| 供应商设备封装： | 8-PDIP |
| 产品目录页面： | 1093 (CN2011-ZH PDF) |
| 其它名称： | 576-2255 MIC3172YN-ND |
Micrel
Pin Description
MIC2172/3172
Pin Number
1
2
3
4 (MIC2172)
4 (MIC3172)
5
6
7
8
Pin Name
S GND
COMP
FB
SYNC
EN
VIN
P GND 2
VSW
P GND 1
Pin Function
Signal Ground: Internal analog circuit ground. Connect directly to the input filter
capacitor for proper operation (see applications info). Keep separate from power
grounds.
Frequency Compensation: Output of transconductance type error amplifier.
Primary function is for loop stabilization. Can also be used for output voltage
soft-start and current limit tailoring.
Feedback: Inverting input of error amplifier. Connect to external resistive divider
to set power supply output voltage.
Synchronization/Frequency Adjust: Capacitively coupled input signal greater
than device’s free running frequency (up to 135kHz) will lock device’s oscillator
on falling edge. Oscillator frequency can be trimmed up to 135kHz by adding a
resistor to ground. If unused, pin must float (no connection).
Enable: Apply TTL high or connect to V IN to enable the regulator. Apply TTL low
or connect to ground to disable the regulator. Device draws only leakage current
(<1μA) when disabled.
Supply Voltage: 3.0V to 40V
Power Ground #2: One of two NPN power switch emitters with 0.3 ? current
sense resistor in series. Required. Connect to external inductor or input voltage
ground depending on circuit topology.
Power Switch Collector: Collector of NPN switch. Connect to external inductor or
input voltage depending on circuit topology.
Power Ground #1: One of two NPN power switch emitters with 0.3 ? current
sense resistor in series. Optional. For maximum power capability connect to P
GND 2. Floating pin reduces current limit by a factor of two.
April 2006
3
M9999-041806
(408) 955-1690
相关PDF资料 |
PDF描述 |
|---|---|
| MAX6464UK28+T | IC VOLT DETECTOR LP SOT23-5 |
| LKG1H332MESZBK | CAP ALUM 3300UF 50V 20% SNAP |
| LT1946EMS8#PBF | IC REG BOOST 1.5A 8MSOP |
| LT1618EDD#PBF | IC REG BOOST ADJ 1.5A 10DFN |
| MAX6464UK27+T | IC VOLT DETECTOR LP SOT23-5 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC3201 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High Brightness LED Driver with High-Side Current Sense |
| MIC3201_11 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:High Brightness LED Driver with High-Side Current Sense |
| MIC3201YME | 功能描述:LED照明驱动器 HBLED Driver with High-Side Current Sense RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MIC3201YME EV | 制造商:Micrel Inc 功能描述: |
| MIC3201YME TR | 功能描述:LED照明驱动器 HBLED Driver with High-Side Current Sense RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
发布紧急采购，3分钟左右您将得到回复。