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| 型号： | ISL8105ACRZ |
| 厂商： | Intersil |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 10-DFN |
| 标准包装： | 100 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 660kHz |
| 占空比： | 100% |
| 电源电压： | 6.5 V ~ 14.4 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： | 0°C ~ 70°C |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 包装： | 管件 |
?
ISL8105, ISL8105A
Data Sheet
April 15, 2010
FN6306.5
+5V or +12V Single-Phase Synchronous
Buck Converter PWM Controller with
Integrated MOSFET Gate Drivers
The ISL8105, ISL8105A is a simple single-phase PWM
controller for a synchronous buck converter. It operates from
+5V or +12V bias supply voltage. With integrated linear
regulator, boot diode, and N-Channel MOSFET gate drivers,
the ISL8105, ISL8105A reduces external component count and
board space requirements. These make the IC suitable for a
wide range of applications.
Utilizing voltage-mode control, the output voltage can be
precisely regulated to as low as 0.6V. The 0.6V internal
reference features a maximum tolerance of ±1.0% over the
commercial temperature range, and ±1.5% over the
industrial temperature range. Two fixed oscillator frequency
versions are available; 300kHz (ISL8105 for high efficiency
applications) and 600kHz (ISL8105A for fast transient
applications).
The ISL8105, ISL8105A features the capability of safe
start-up with pre-biased load. It also provides overcurrent
protection by monitoring the ON-resistance of the
bottom-side MOSFET to inhibit PWM operation
appropriately. During start-up interval, the resistor connected
to BGATE/BSOC pin is employed to program overcurrent
protection condition. This approach simplifies the
implementation and does not deteriorate converter
efficiency.
Features
? Operates from +5V or +12V Bias Supply Voltage
- 1.0V to 12V Input Voltage Range (up to 20V possible
with restrictions; see “Input Voltage Considerations” on
page 9)
- 0.6V to V IN Output Voltage Range
? 0.6V Internal Reference Voltage
- ±1.0% Tolerance Over the Commercial Temperature
Range (0°C to +70°C)
- ±1.5% Tolerance Over the Industrial Temperature
Range (-40°C to +85°C).
? Integrated MOSFET Gate Drivers that Operate from
V BIAS (+5V to +12V)
- Bootstrapped High-side Gate Driver with Integrated
Boot Diode
- Drives N-Channel MOSFETs
? Simple Voltage-Mode PWM Control
- Traditional Dual Edge Modulation
? Fast Transient Response
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Cycle
? Fixed Operating Frequency
- 300kHz for ISL8105
- 600kHz for ISL8105A
? Fixed Internal Soft-Start with Pre-biased Load Capability
Pinouts
ISL8105, ISL8105A
(10 LD 3X3 DFN)
? Lossless, Programmable Overcurrent Protection
- Uses Bottom-side MOSFET’s r DS(ON)
? Enable/Disable Function Using COMP/EN Pin
TOP VIEW
? Output Current Sourcing and Sinking Currents
BOOT
1
10 LX
? Pb-Free (RoHS Compliant)
TGATE
N/C
GND
BGATE/BSOC
2
3
4
5
GND
9
8
7
6
COMP/EN
FB
N/C
VBIAS
Applications
? 5V or 12V DC/DC Regulators
? Industrial Power Systems
? Telecom and Datacom Applications
ISL8105, ISL8105A
(8 LD SOIC)
TOP VIEW
? Test and Measurement Instruments
? Distributed DC/DC Power Architecture
BOOT 1
TGATE 2
8
7
LX
COMP/EN
? Point of Load Modules
GND
3
6
FB
BGATE/BSOC 4
1
5
VBIAS
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005-2007, 2010. 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 |
|---|---|
| ISL8105ACRZ-T | 功能描述:IC REG CTRLR BUCK PWM VM 10-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 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 ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
| ISL8105AEVAL1Z | 功能描述:EVALUATION BOARD FOR ISL8105A RoHS:是 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:True Shutdown™ 主要目的:DC/DC，步升 输出及类型:1，非隔离 功率 - 输出:- 输出电压:- 电流 - 输出:1A 输入电压:2.5 V ~ 5.5 V 稳压器拓扑结构:升压 频率 - 开关:3MHz 板类型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| ISL8105AIBZ | 功能描述:电压模式 PWM 控制器 8LD SYNC PWM BUCK CONTRLR 600KHZ I RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| ISL8105AIBZ-T | 功能描述:IC REG CTRLR BUCK PWM VM 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:275kHz 占空比:50% 电源电压:18 V ~ 110 V 降压:无 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) |
| ISL8105AIRZ | 功能描述:电压模式 PWM 控制器 10LD 3X3 SYNC PWM BUCK CNTRLR 600KH RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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