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参数资料
| 型号： | MIC2194BM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM CM 8-SOIC |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 440kHz |
| 占空比： | 100% |
| 电源电压： | 2.9 V ~ 14 V |
| 降压： | 是 |
| 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： | -40°C ~ 125°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC2194BMTR MIC2194BMTR-ND |
MIC2194
Ordering Information
Part Number
Micrel
Standard
MIC2194BM
Lead-Free
MIC2194YM
Output Voltage
Adjustable
Frequency
400kHz
Junction Temp. Range
– 40 ° C to +125 ° C
Package
8-lead SOP
Pin Configuration
Pin Description
COMP 1
FB 2
EN/UVLO 3
CS 4
8 Lead SOIC (M)
8 VIN
7 OUTP
6 GND
5 VDD
Pin Number
1
2
3
4
5
6
7
8
Pin Name
COMP
FB
EN/UVLO
CS
VDD
GND
OUTP
VIN
Pin Function
Compensation (Output): Internal error amplifier output. Connect to a
capacitor or series RC network to compensate the regulator ’ s control loop.
Feedback (Input): The circuit regulates this pin to 1.245V.
Enable/Undervoltage Lockout (Input): A low level on this pin will power down
the device, reducing the quiescent current to under 0.5 μ A. This pin has two
separate thresholds, below 1.5V the output switching is disabled, and below
0.9V the device is forced into a complete micropower shutdown. The 1.5V
threshold functions as an accurate undervoltage lockout (UVLO) with
hysteresis.
The ( – ) input to the current limit comparator. A built-in offset of 110mV
between VIN and CSL in conjunction with the current sense resistor sets the
current limit threshold level. This is also the ( – ) input to the current amplifier.
3V internal linear-regulator output. VDD is also the supply voltage bus for the
chip. Bypass to GND with 1 μ F.
Ground.
High current drive for the synchronous N-channel MOSFET. Voltage swing
is from ground to VIN. On-resistance is typically 3 ? @ 5V IN .
Input voltage to the circuit. Also the high side input to the current sense
amplifier supplies power to the gate drive circuit.
MIC2194
2
April 2005
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2194YM | 功能描述:DC/DC 开关控制器 SO-8 3V Buck Contoller (Lead Free) 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 |
| MIC2194YM TR | 功能描述:DC/DC 开关控制器 SO-8 3V Buck Contoller (Lead Free) 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 |
| MIC2196 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:400kHz SO-8 Boost Control IC |
| MIC2196_08 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:400kHz SO-8 Boost Control IC |
| MIC2196BM | 功能描述:IC REG CTRLR BST FLYBK PWM 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 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 ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
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