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参数资料
| 型号： | EL7563CMZ-T13 |
| 厂商： | Intersil |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 4A 20SOIC |
| 标准包装： | 1,000 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1 V ~ 2.5 V |
| 输入电压： | 3 V ~ 3.6 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 4A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-SO |
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May 13, 2005
EL7563
FN7296.2
Monolithic 4 Amp DC/DC Step-Down
Regulator
The EL7563 is an integrated, full-featured synchronous step-
down regulator with output voltage adjustable from 1.0V to
2.5V. It is capable of delivering 4A continuous current at up
to 95% efficiency. The EL7563 operates at a constant
frequency pulse width modulation (PWM) mode, making
external synchronization possible. Patented on-chip
resistorless current sensing enables current mode control,
which provides cycle-by-cycle current limiting, over-current
protection, and excellent step load response. The EL7563
features power tracking, which makes the start-up
sequencing of multiple converters possible. A junction
temperature indicator conveniently monitors the silicon die
temperature, saving the designer time on the tedious
thermal characterization. The minimal external components
and full functionality make this EL7563 ideal for desktop and
portable applications.
The EL7563 is offered in 20-pin SO and 28-pin HTSSOP
packages.
Pinout
EL7563
(20-PIN SO)
TOP VIEW
Features
? Integrated synchronous MOSFETs and current mode
controller
? 4A continuous output current
? Up to 95% efficiency
? Internal patented current sense
? Cycle-by-cycle current limit
? 3V to 3.6V input voltage
? Adjustable output voltage 1V to 2.5V
? Precision reference
? ±0.5% load and line regulation
? Adjustable switching frequency to 1MHz
? Oscillator synchronization possible
? Internal soft-start
? Over-voltage protection
? Junction temperature indicator
? Over-temperature protection
? Under-voltage lockout
? Multiple supply start-up tracking
? Power-good indicator
C5
0.1μF
1 VREF
2 SGND
EN 20
FB 19
? 20-pin SO (0.300”) package
? 28-pin HTSSOP package
22 ?
4A
C7
1k ?
V IN
3.3V
R4
C3
0.22μF
C1
330μF
C4
3 COSC
390pF
4 VDD
C2
5 VTJ
2.2nF
6 PGND
7 PGND
8 VIN
9 STP
10 STN
PG 18
VDRV 17
VHI 16
LX 15
LX 14
PGND 13
PGND 12
PGND 11
C6
0.22μF
L1
4.7μH
D2 D4
C8
D3 0.22μF
D1
C9
0.1μF
V OUT
2.5V
C10
2.2nF R2
1.58k ?
R1
330μF
? Pb-Free available (RoHS compliant)
Applications
? DSP, CPU core, and I/O supplies
? Logic/Bus supplies
? Portable equipment
? DC/DC converter modules
? GTL + Bus power supply
Typical Application Diagrams continued on page 3
Manufactured Under U.S. Patent No. 5,7323,974
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2003, 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EL7563CRE | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
| EL7563CRE-T13 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Monolithic 4 Amp DC:DC Step-Down Regulator |
| EL7563CRE-T7 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Monolithic 4 Amp DC:DC Step-Down Regulator |
| EL7563CRE-TZ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
| EL7563CREZ | 功能描述:直流/直流开关调节器 EL7563CREZ PROGRAM 5P PWR MGR 12 4A 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 |
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