参数资料
型号: ISL85001IRZ-T
厂商: Intersil
文件页数: 1/17页
文件大小: 0K
描述: IC REG BUCK ADJ 1A 12DFN
标准包装: 6,000
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 19 V
输入电压: 4.5 V ~ 25 V
PWM 型: 电压模式
频率 - 开关: 500kHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 12-VFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 12-DFN(4x3)
1A Standard Buck PWM Regulator
ISL85001
The ISL85001 is a high-performance, simple output controller
that provides a single, high frequency power solution for a
variety of point-of-load applications. The ISL85001 integrates a
1A standard buck PWM controller and switching MOSFET.
The PWM controller in the ISL85001 drives an internal
switching N-Channel power MOSFET and requires an external
Schottky diode to generate an output voltage from 0.6V to
19V. The integrated power switch is optimized for excellent
thermal performance for up to 1A of output current. The
standard buck input voltage range supports a fixed 5V or
variable 5.5V to 25V range. The PWM regulator switches at a
fixed frequency of 500kHz and utilizes simple voltage mode
control with input voltage feed-forward to provide flexibility in
component selection and minimize solution size. Protection
features include overcurrent, undervoltage and thermal
overload protection integrated into the IC. The ISL85001
power-good signal output indicates loss of regulation on the
PWM output.
ISL85001 is available in a small 4mmx3mm Dual Flat No-Lead
(DFN) package.
Related Literature
? See AN1443 , “ISL85001EVAL1Z 1A Regulator Standard
Buck PWM”
? See TB417 , “Designing Stable Compensation Networks for
Single Phase Voltage Mode Buck Regulators”
Features
? Standard Buck Controller with Integrated Switching Power
MOSFET
? Integrated Boot Diode
? Input Voltage Range
- Fixed 5V ±10%
- Variable 5.5V to 25V
? PWM Output Voltage Adjustable from 0.6V to 19V with
Continuous Output Current up to 1A
? ±1% VFB Tolerance
? Voltage Mode Control with Voltage Feed-Forward
? Fixed 500kHz Switching Frequency
? Externally Adjustable Soft-Start Time
? Output Undervoltage Protection
? Enable Inputs
? PGOOD Output
? Overcurrent Protection
? Thermal Overload Protection
? Internal 5V LDO Regulator
? Pb-Free (RoHS compliant)
Applications
? General Purpose
? WLAN Cards-PCMCIA, Cardbus32, MiniPCI Cards-Compact
Flash Cards
? Hand-Held Instruments
? LCD Panel
? Set-top Box
May 29, 2012
FN6769.2
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2008, 2009, 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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