- 您现在的位置：买卖IC网 > PDF目录15350 > MIC2169BYMME TR (Micrel Inc)IC REG CTRLR BUCK PWM VM 10-MSOP PDF资料下载
参数资料
| 型号： | MIC2169BYMME TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/25页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 10-MSOP |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 550kHz |
| 占空比： | 92% |
| 电源电压： | 3 V ~ 14.5 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
MIC2169B
500kHz PWM Synchronous Buck
Control IC
General Description
Features
The MIC2169B is a high-efficiency, simple to use 500kHz
PWM synchronous buck control IC housed in small
MSOP-10 and MSOP-10 ePad packages. The MIC2169B
allows compact DC/DC solutions with a minimal external
component count and cost. The device features high-
output driver capability to drive loads up to 30A.
The MIC2169B operates from a 3V to 14.5V input, without
the need of any additional bias voltage. The output voltage
can be precisely regulated down to 0.8V. The adaptive all
N-Channel MOSFET drive scheme allows efficiencies over
95% across a wide load range within the smallest possible
printed circuit board space area.
The MIC2169B senses current across the high-side N-
Channel MOSFET, eliminating the need for an expensive
and lossy current-sense resistor. Current-limit accuracy is
maintained by a positive temperature coefficient that tracks
the increasing R DS(ON) of the external MOSFET. Further
cost and space are saved by the internal in-rush current-
limiting digital soft-start. The MIC2169B is identical to the
MIC2169A with the exception that the MIC2169B supports
pre-bias loads and has a lower impedance gate-drive
circuit. Internal pre-bias circuit prevents output voltage
drooping and excessive reverse inductor current when
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
3V to 14.5V input voltage range
Adjustable output voltage down to 0.8V
500kHz PWM operation
Up to 95% efficiency
Output Pre-biased Protection
Build-in 2.2 ? drivers to drive two n-channel MOSFETs
Adaptive gate drive increases efficiency
Simple, externally-compensated voltage-mode PWM
control
Short minimum ON time of 30ns allowing very-low duty
cycle
Fast transient response
Adjustable current limit senses high-side N-Channel
MOSFET current
Hiccup mode short-circuit protection
No external current-sense resistor
Internal soft-start current source
Dual function COMP and EN pin allows low-power
shutdown
Available in small-size 10-pin MSOP and 10-pin MSOP
powering up with a pre-bias voltage at the output.
The MIC2169B is available in a 10-pin MSOP and a
thermally-capable 10-pin ePad MSOP package, with a
wide junction operating range of -40°C to +125°C.
All support documentation can be found on Micrel’s web
site at www.micrel.com .
ePad packages
Applications
? Point-of-load DC/DC conversion
? High-Current Power Supplies
? Telecom/Datacom and Networking Power Supplies
?
?
?
?
Servers and Workstations
Graphic cards and other PC Peripherals
Set-top boxes
LCD power supplies
___________________________________________________________________________________________________________
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
April 2010
M9999-041210-B
相关PDF资料 |
PDF描述 |
|---|---|
| VE-2WR-EY-F2 | CONVERTER MOD DC/DC 7.5V 50W |
| GCM36DCSI-S288 | CONN EDGECARD 72POS .156 EXTEND |
| LTC3805EDD-5#PBF | IC REG CTRLR BST FLYBK PWM 10DFN |
| RBC30DRYS-S734 | CONN EDGECARD 60POS DIP .100 SLD |
| BA9741FS-E2 | IC REG CTRLR BST INV PWM 16-SSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2169MM | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:500 KHZ PWM SYNCHRONOUS BUCK CONTROL IC |
| MIC2169YMM | 功能描述:直流/直流开关调节器 Replaced by MIC2169AYMM (Lead Free) RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MIC2169YMM TR | 功能描述:直流/直流开关调节器 Replaced by MIC2169AYMM TR (Lead Free) RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MIC2171 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:100kHz 2.5A Switching Regulator Preliminary Information |
| MIC2171_07 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:100kHz 2.5A Switching Regulator |
发布紧急采购，3分钟左右您将得到回复。