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| 型号： | ISL95210EVAL1Z |
| 厂商： | Intersil |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD FOR ISL95210 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 1.2V |
| 电流 - 输出： | 10A |
| 输入电压： | 5V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 800kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板，文档 |
| 已用 IC / 零件： | ISL95210 |
High Efficiency 5V, 10A Buck Regulator
ISL95210
The ISL95210 is a high-efficiency step-down regulator that can
deliver 10A of output current from a 5V input. The small
4mmx6mm QFN package and only four external components
provide a very small total solution size. Low resistance internal
MOSFETs deliver excellent efficiency and permit full power
operation in a +90°C ambient without airflow.
The regulator operates from an input voltage of 2.97V to 5.5V,
and provides a 0.6% accurate output voltage over the full
operating temperature range. Intersil's patented R4? control
architecture provides exceptional transient response with no
external compensation components. The output voltage may be
programmed by an internal DAC or by an external resistor divider
(see “Output Voltage Programming” on page 11 for more
details).
Several digital control signals provide flexibility for users that
want additional features. Switching frequency, switching mode,
output voltage margining and daisy-chained power-good
functions are all programmed by these pins. The ISL95210 also
includes comprehensive internal protection for overvoltage,
undervoltage, overcurrent and over-temperature conditions.
Features
? 10A Continuous Output Current
? 2.97V to 5.5V Input Voltage Range
? Up to 95% Efficiency
? Full Power Operation in +90°C Ambient without Airflow
? R4? Control Architecture Delivers Excellent Transient
Response Without Compensation
? Pin Selectable Output Voltage Programming
? ±0.6% Output Voltage Accuracy Over Full Operating
Temperature Range
? Programmable Enhanced Light-Load Efficiency Operation
? Output Voltage Margining and Power-good Monitor
? Small 6mmx4mm QFN Package
Applications
? Point-of-Load Power Supplies
? Notebook Computer Power
? General Purpose Power Rail Generation
Related Literature
? See AN1485 , “ISL95210 10A Integrated FET Regulator
Evaluation Board Setup Procedure”
100
VIN = 5V
VIN
95
PVCC
PGOOD
POWER GOOD
90
CIN
10μF
VCC
EN
ISL95210
PHASE
VOUT
LOUT
420nH
VOUT = 1.2V
85
80
75
CONTROL
SIGNALS
PG_IN
FSET
VSEL1
MPCT
MSEL
VSEL0
FCCM
VCC
AGND
PGND
T-PAD
1μF
+
COUT
220μF
70
65
60
55
VIN = 5V
VOUT = 1.2V
FSW= 800kHz
LOUT = MPC0740LR42C (NEC/TOKIN)
COUT = 2TPLF220M5 (SANYO)
50
0
1
2
3
4
5 6
IOUT (A)
7
FSW = 800kHz
8 9
10
FIGURE 1. 10A DC/DC CONVERTER USING ONLY 4 EXTERNAL
COMPONENTS
FIGURE 2. EFFICIENCY OF CIRCUIT SHOWN IN FIGURE 1
(INCLUDES INDUCTOR LOSSES)
December 15, 2011
FN6938.4
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. 2011. 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL95210HRZ | 功能描述:直流/直流开关调节器 ISL95210 5V/10ABUCK IGRATE FET NTBOOK 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 |
| ISL95210HRZ-T | 功能描述:直流/直流开关调节器 ISL95210 5V/10ABUCK IGRATE FET NTBOOK 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 |
| ISL95210HRZ-T7A | 功能描述:直流/直流开关调节器 ISL95210 5V/10ABUCK IGRATE FET NTBOOK 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 |
| ISL95210IRZ | 功能描述:直流/直流开关调节器 ISL95210 5V/10ABUCK IGRATE FET INDUST 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 |
| ISL95210IRZ-T | 功能描述:直流/直流开关调节器 ISL95210 5V/10ABUCK IGRATE FET NTBOOK 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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