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| 型号： | IRDC3622D |
| 厂商： | International Rectifier |
| 文件页数： | 2/25页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL W/IR3622MPBF DUAL OUT |
| 标准包装： | 1 |
| 系列： | iPOWIR™ |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 2，非隔离 |
| 输出电压： | 1.8V，2.5V |
| 电流 - 输出： | 20A，20A |
| 输入电压： | 7.5 ~ 14.5 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 350kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | IR3622，IRF6622，IRF6629 |
| 相关产品： | IR3622MTRPBFTR-ND - IC REG CTRLR BUCK PWM VM 32MLPQ IR3622AMTRPBFTR-ND - IC REG CTRLR BUCK PWM VM 32MLPQ IR3622AMPBF-ND - IC REG CTRLR BUCK PWM VM 32MLPQ IR3622MPBF-ND - IC REG CTRLR BUCK PWM VM 32MLPQ IRF6622TRPBFDKR-ND - MOSFET N-CH 25V 15A DIRECTFET IRF6622TRPBFCT-ND - MOSFET N-CH 25V 15A DIRECTFET IRF6622TRPBFTR-ND - MOSFET N-CH 25V 15A DIRECTFET IRF6622TR1PBFTR-ND - MOSFET N-CH 25V 15A DIRECTFET IRF6622TR1PBFDKR-ND - MOSFET N-CH 25V 15A DIRECTFET IRF6622TR1PBFCT-ND - MOSFET N-CH 25V 15A DIRECTFET 更多... |
USER GUIDE FOR DUAL OUTPUT IRDC3622D EVALUATION
BOARD USING IRF6622 AND IRF6629 DIRECTFET MOSFETS
DESCRIPTION
This user guide contains the schematic and bill of
materials for the IRDC3622D evaluation board.
The guide describes operation and use of the
evaluation board itself. The IR3622 IC is a dual
channel synchronous buck controller, providing a
cost-effective, high performance and flexible
solution. The two channels can be configured to
either two independent outputs or current sharing
single output. The current share configuration is
ideal for high current applications.
Key features offered by the IR3622 Include
configurable dual output, output voltage tracking,
power up/down sequencing, programmable soft-
start ramp, pre-bias start-up, latched over-voltage
protection, thermal protection, accurate reference
voltage, on-board regulator, threshold sensitive
Enable input, programmable switching frequency up
600kHz, and input under-voltage lockout for proper
start-up.
An output over-current protection function and a
hiccup current limit are implemented by sensing the
voltage developed across the on-resistance of the
synchronous rectifier MOSFET for optimum cost
and performance. Detailed application information
for the IR3622 integrated circuit is available in the
IR3622 data sheet.
BOARD FEATURES
? The board is designed for two output voltages 2.5V and 1.8V up to 20A for each output.
? V IN = +12V, (13.2V Max)
? V O1 = +2.5V ± 3% @ 20A, V O2 = +1.8V
± 3% @ 20A
? V o (ripple)= 50mV maximum for each output
? F s =350kHz
? L1=990nH, L2=540nH
? C o1 =2x100uF (SP) + 2x10uF (ceramic 0805) for 2.5V output
?
C o2 =2x220uF (SP) + 2x10uF (ceramic 0805) for 1.8V output
? The input voltage start threshold of the converter is set about 10V using enable pin and two
external resistors (R16A1 and R16A2).
? The converter has the option to sequence with other supplies using SEQ and Track pins (R6A1,
R16A3 and R16A4). These pins are pulled high as default.
www.irf.com
RD-0621
2
相关PDF资料 |
PDF描述 |
|---|---|
| IRDC3622S | BOARD EVALUATION W/IR3622MPBF |
| IRDC3640 | BOARD EVAL SYNC BUCK CONTROLLER |
| IRDC3651 | KIT REF DESIGN SYNCH BUCK REG |
| IRDC3897 | BOARD EVAL SUPIRBUCK IR3897 |
| IRDC3898 | BOARD EVAL SUPIRBUCK IR3898 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IRDC3622S | 功能描述:电源管理IC开发工具 IRF6622 IRF6678 FET Ref Design Guide RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDC3624 | 制造商:International Rectifier 功能描述:HIGH PERFORMANCE SYNCHRONOUS BUCK CONTROLLER EVAL BOARD - Bulk 制造商:International Rectifier 功能描述:EVAL BOARD FOR IR3624 |
| IRDC3628 | 制造商:International Rectifier 功能描述:TUBE / 9999V 999.000A LVIC OTHER |
| IRDC3629 | 功能描述:电源管理IC开发工具 IR3629 Eval BRD 600kHz Controller RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDC3629A | 功能描述:电源管理IC开发工具 IR3629A Eval BRD 300kHz Controller RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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