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| 型号： | MAX256ASA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC DVR H-BRIDGE 3W 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 半桥 |
| 输入类型： | 非反相 |
| 输出数： | 2 |
| 导通状态电阻： | 500 毫欧 |
| 电流 - 输出 / 通道： | 600mA |
| 电流 - 峰值输出： | 1A |
| 电源电压： | 3 V ~ 5.5 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 Width）裸露焊盘 |
| 供应商设备封装： | 8-SOICN 裸露焊盘 |
| 包装： | 管件 |
| 产品目录页面： | 1401 (CN2011-ZH PDF) |
3W Primary-Side Transformer H-Bridge Driver
for Isolated Supplies
TIMING CHARACTERISTICS
(V CC = +3.0V to +5.5V, T A = T MIN to T MAX . Typical values are at V CC = +5.0V and T A = +25°C, unless otherwise noted.)
PARAMETER
Switching Frequency
CK_RS Input Frequency
ST1 and ST2 Duty Cycle
Crossover Dead Time
Watchdog Timeout
SYMBOL
f SW
f IN
Dtc
t DEAD
t WDOG
CONDITIONS
MODE = V CC , R S = 10.5k ?
MODE = V CC, CK_RS unconnected
MODE = GND
MODE = V CC
R L = 100 ?
MODE = GND
MIN
0.75
65
0.2
49
20
TYP
1
100
50
20
MAX
1.35
160
2
51
55
UNITS
MHz
kHz
MHz
%
ns
μs
Note 3: Minimum and maximum limits tested with ST1, ST2 unconnected.
Note 4: Total driver resistance includes the on-resistance of the top and the bottom internal FETs. If R OH is the high-side resistance,
and R OL is the low-side resistance, R OHL = R OH + R OL .
Pin Description
PIN
1
2, 3
4
5
6, 7
8
—
NAME
CK_RS
V CC
MODE
ST2
GND
ST1
EP
FUNCTION
Clock Input/Oscillator Frequency Adjust. When MODE is HIGH, set the internal oscillator frequency by
connecting a 10k ? or greater resistor from CK_RS to ground. When MODE is LOW, apply an external
clock signal to CK_RS. The MAX256 outputs switch at one half the external clock frequency.
V CC Supply Voltage, +3.0V ≤ V CC ≤ +5.5V.
Bypass V CC to ground with a 4.7μF capacitor and a 470nF ceramic capacitor.
Mode Control Input. Drive MODE high to enable internal oscillator. Drive MODE low and supply a valid
clock signal on CK_RS for external clock mode.
Transformer Drive Output 2
Ground
Transformer Drive Output 1
EP is internally connected to GND. Connect to a large ground plane to maximize thermal
performance; not intended as an electrical connection point.
_______________________________________________________________________________________
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX256ASA/V+T | 制造商:Maxim Integrated Products 功能描述:3W PRIMARY-SIDE TRANSFORMER H-BRIDGE DRIVER FOR ISOLATED SUP - Tape and Reel |
| MAX256ASA+ | 功能描述:功率驱动器IC 3W Primary-Side H-Bridge Driver 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 |
| MAX256ASA+ | 制造商:Maxim Integrated Products 功能描述:IC TRANSFORMER H-BRIDGE DRIVER 1A 8-SOI |
| MAX256ASA+T | 功能描述:功率驱动器IC 3W Primary-Side H-Bridge Driver 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 |
| MAX256ASA-T | 功能描述:功率驱动器IC 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 |
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