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| 型号： | IR2085SPBF |
| 厂商： | International Rectifier |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER HALF BRIDGE OSC 8SOIC |
| 标准包装： | 95 |
| 配置： | 半桥 |
| 输入类型： | 自振荡 |
| 电流 - 峰： | 1A |
| 配置数： | 1 |
| 输出数： | 2 |
| 高端电压 - 最大（自引导启动）： | 100V |
| 电源电压： | 10 V ~ 15 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 管件 |
Data Sheet No. PD60206 Rev.D
IR2085S & (PbF)
HIGH SPEED, 100V, SELF OSCILLATING 50%
DUTY CYCLE, HALF-BRIDGE DRIVER
Features
Product Summary
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Simple primary side control solution to enable half-bridge DC-Bus
Converters for 48V distributed systems with reduced component
count and board space
Integrated 50% duty cycle oscillator & half-bridge driver
IC in a single SO-8 package
Programmable switching frequency with up to 500kHz
max per channel
+/- 1A drive current capability optimized for low charge
MOSFETs
Adjustable dead-time 50ns – 200ns
Floating channel designed for bootstrap operation up to
+100Vdc
High and low side pulse width matching to +/- 25ns
Adjustable overcurrent protection
Undervoltage lockout and internal soft start
Also available Leadfree
Topology
V OFFSET
I o+ & I o- (typical)
f OSC (max)
Deadtime
HO/LO Pulse
Matching
Package
Half-Bridge
≤ 100 V
1.0A & 1.0A
500kHz
50ns – 200ns
+/- 25ns
8 - Lead SOIC
Description
The IR2085S is a self-oscillating half-bridge driver IC with 50% duty cycle ideally suited for 36V – 75V half-
bridge DC-bus converters.
This product is also suitable for push-pull converters without restriction on input voltage.
Each channel frequency is equal to f OSC, which can be set by selecting R T & C T, where f OSC = 1/(2*R T .C T ).
Dead-time can be controlled through proper selection of C T and can range from 50ns to 200ns. Internal
soft-start increases the pulse width during power up and maintains pulse width matching for the high and
low outputs throughout the start up cycle. The IR2085S initiates a soft start at power up and after every
overcurrent condition. Undervoltage lockout prevents operation if V CC is less than 7.5V.
Typical Connection Diagram
www.irf.com
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| IR2085STR | 功能描述:IC DRVR HALF-BRDG SELF-OSC 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 外部开关 系列:- 标准包装:50 系列:- 配置:高端 输入类型:非反相 延迟时间:200ns 电流 - 峰:250mA 配置数:1 输出数:1 高端电压 - 最大（自引导启动）:600V 电源电压:12 V ~ 20 V 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 供应商设备封装:8-DIP 包装:管件 其它名称:*IR2127 |
| IR2085STRHR | 制造商:International Rectifier 功能描述:MOSFET DRVR 100V 1A 2-OUT HI/LO SIDE HALF BRDG SELF-OSC 8SOI - Tape and Reel |
| IR2085STRPBF | 功能描述:功率驱动器IC Hi Spd 100V 50% Duty Cycle Hlf Brdg Drvr RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| IR2086S | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGH SPEED, 100V, SELF OSCILLATING 50% DUTY CYCLE, FULL-BRIDGE DRIVER |
| IR2086SPBF | 功能描述:IC DVR FULL BRIDGE HI/LOW 16SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 外部开关 系列:- 标准包装:50 系列:- 配置:高端 输入类型:非反相 延迟时间:200ns 电流 - 峰:250mA 配置数:1 输出数:1 高端电压 - 最大（自引导启动）:600V 电源电压:12 V ~ 20 V 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 供应商设备封装:8-DIP 包装:管件 其它名称:*IR2127 |
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