参数资料
| 型号： | BD3509MUV-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 1/21页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 4A 20QFN |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.65 V ~ 2.7 V |
| 输入电压： | 0.7 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.028V @ 1A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 4A（最小） |
| 工作温度： | -10°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-VFQFN 裸露焊盘 |
| 供应商设备封装： | VQFN020V4040 |
| 包装： | 带卷 (TR) |
High Performance Regulators for PCs
Nch FET Ultra LDO for PC Chipsets
BD3508MUV
Nch FET Ultra LDO for PC Chipsets
with Power Good
BD3509MUV
No.10030ECT22
● Description
The BD3508MUV / BD3509MUV ultra low-dropout linear chipset regulator operates from a very low input supply, and offers
ideal performance in low input voltage to low output voltage applications. It incorporates a built-in N-MOSFET power
transistor to minimize the input-to-output voltage differential to the ON resistance (R ON MAX =100m Ω /50m Ω ) level. By
lowering the dropout voltage in this way, the regulator realizes high current output (Iomax=3.0A/4.0A) with reduced
conversion loss, and thereby obviates the switching regulator and its power transistor, choke coil, and rectifier diode. Thus,
the BD3508MUV / BD3509MUV are designed to enable significant package profile downsizing and cost reduction. An
external resistor allows the entire range of output voltage configurations between 0.65 and 2.7V, while the NRCS (soft start)
function enables a controlled output voltage ramp-up, which can be programmed to whatever power supply sequence is
required.
● Features
1) Internal high-precision reference voltage circuit (0.65V ± 1%)
2) Built-in VCC under voltage lock out circuit (VCC=3.80V)
3) NRCS (soft start) function reduces the magnitude of in-rush current
4) Internal Nch MOSFET driver offers low ON resistance (65m Ω /28m Ω typ)
5) Built-in current limit circuit (3.0A/4.0A min)
6) Built-in thermal shutdown (TSD) circuit
7) Variable output (0.65 ～ 2.7V)
8) Incorporates high-power VQFN020V4040 package: 4.0 × 4.0 × 1.0(mm)
9) Tracking function
● Applications
Notebook computers, Desktop computers, LCD-TV, DVD, Digital appliances
● Model Lineup
Maximum output current
3A
4A
www.rohm.com
? 2010 ROHM Co., Ltd. All rights reserved.
Package
VQFN020V4040
1/20
VCC=5V
BD3508MUV
BD3509MUV
2010.04 - Rev.C
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相关代理商/技术参数 |
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| BD350S | 制造商:PANJIT 制造商全称:Pan Jit International Inc. 功能描述:THROUGH HOLE SCHOTTKY BARRIER RECTIFIERS |
| BD350T | 制造商:PANJIT 制造商全称:Pan Jit International Inc. 功能描述:THROUGH HOLE SCHOTTKY BARRIER RECTIFIERS |
| BD350YS | 制造商:PANJIT 制造商全称:Pan Jit International Inc. 功能描述:THROUGH HOLE SCHOTTKY BARRIER RECTIFIERS |
| BD350YT | 制造商:PANJIT 制造商全称:Pan Jit International Inc. 功能描述:THROUGH HOLE SCHOTTKY BARRIER RECTIFIERS |
| BD3512MUV | 制造商:ROHM 制造商全称:Rohm 功能描述:Ultra Low Dropout Linear Regulators for PC Chipsets with Power Good |
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