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參數(shù)資料
| 型號： | MIC2169 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | 500 KHZ PWM SYNCHRONOUS BUCK CONTROL IC |
| 中文描述： | 500千赫的PWM同步降壓控制IC |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 160K |
| 代理商： | MIC2169 |
MIC2169
Ordering Information
Micrel
M9999-111803
2
November 2003
Pin Configuration
FB
GND
6
5
1
VIN
VDD
CS
COMP/EN
10 BST
HSD
VSW
LSD
9
8
7
2
3
4
10-Pin MSOP (MM)
Pin Description
Pin Number
Pin Name
Pin Function
1
VIN
Supply Voltage (Input): 3V to 14.5V.
2
VDD
5V Internal Linear Regulator (Output): V
DD
is the external MOSFET gate
drive supply voltage and an internal supply bus for the IC. When V
IN
is <5V,
this regulator operates in dropout mode.
3
CS
Current Sense / Enable (Input): Current-limit comparator noninverting input.
The current limit is sensed across the MOSFET during the ON time. The
current can be set by the resistor in series with the CS pin.
4
COMP/EN
Compensation (Input): Dual function pin. Pin for external compensation. If
this pin is pulled below 0.2V, with the reference fully up the device shuts
down (50
μ
A typical current draw).
5
FB
Feedback (Input): Input to error amplifier. Regulates error amplifier to 0.8V.
6
GND
Ground (Return).
7
LSD
Low-Side Drive (Output): High-current driver output for external synchro-
nous MOSFET.
8
VSW
Switch (Return): High-side MOSFET driver return.
9
HSD
High-Side Drive (Output): High-current output-driver for the high-side
MOSFET. When V
IN
is between 3.0V to 5V, 2.5V threshold MOSFETs
should be used. At V
IN
> 5V, 5V threshold MOSFETs should be used.
Boost (Input): Provides the drive voltage for the high-side MOSFET driver.
The gate-drive voltage is higher than the source voltage by V
IN
minus a
diode drop.
10
BST
Part Number
MIC2169BMM
Frequency
500kHz
Junction Temp. Range
–
40
°
C to +125
°
C
Package
10-lead MSOP
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| MIC2171BT | Isolated Flyback Switching Regulator with 9V Output |
| MIC2171BU | Isolated Flyback Switching Regulator with 9V Output |
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| MIC2185 | Low Voltage Synchronous Boost PWM Control IC |
| MIC2185BM | Low Voltage Synchronous Boost PWM Control IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2169_09 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:500kHz PWM Synchronous Buck Control IC |
| MIC2169A | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:500kHz PWM Synchronous Buck Control IC |
| MIC2169A_09 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:500kHz PWM Synchronous Buck Control IC |
| MIC2169ABMM | 功能描述:IC REG CTRLR DIVIDER PWM 10-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| MIC2169ABMM TR | 功能描述:IC REG CTRLR DIVIDER PWM 10-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
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