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参数资料
| 型号： | MAX4271ESA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 9/26页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR HOT SWAP 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 2.7 V ~ 13.2 V |
| 工作温度： | -40°C ~ 85°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-SOIC |
| 包装： | 带卷 (TR) |
3V to 12V Current-Limiting Hot-Swap Controllers
with Autoretry, DualSpeed/BiLevel Fault Protection
Typical Operating Characteristics (continued)
( V IN = 5V, R SENSE = 100m Ω , C BOARD = 47μF, T A = +25°C, unless otherwise noted. )
STARTUP TIME (C BOARD = 0)
MAX4271/3-35
ON
TURN-OFF TIME (C BOARD = 0)
MAX4271/3-37
ON
100 μ s/div
C BOARD = 0, R SENSE = 100m Ω ,
C TIM = 10nF, C GATE = 0
V GATE
2V/div
V OUT
2V/div
V GATE
2V/div
V OUT
2V/div
0
50 μ s/div
C BOARD = 0, R SENSE = 100m Ω ,
C GATE = 0, R S = 0
I LOAD
1A/div
0
Pin Description
PIN
MAX4271
MAX4272
MAX4273
NAME
FUNCTION
Current-Sense Threshold Setting Input. Connect a resistor from RTH to V IN to set the
—
1
RTH
fast comparator threshold. Bypass to V IN with 0.1 μ F. Connect RTH to V IN to disable
both the fast comparator and current regulation at startup. Short RTH to GND for a
200mV threshold. See Fast Comparator Threshold section.
Auxiliary Supply Input. Supply input for short-circuit switchover. To use this, connect a
—
2
AUXVCC
1 μ F capacitor from AUXVCC to GND; otherwise, leave floating. See Auxiliary V CC
section.
1
2
3
—
3
4
5
6
IN
SENSE
GATE
CEXT
Input Voltage. Connect to +2.7V to +13.2V supply; 15V absolute maximum voltage
rating.
Current-Sense Resistor Voltage Input. R SENSE is connected from IN to SENSE.
Gate Drive Output. Connect to gate of external N-channel pass transistor.
External Gate Capacitance Connection. Connect a capacitor from CEXT to GATE to
increase the gate charging time. This pin goes high impedance during a fast
comparator fault for fast discharge.
—
4
—
5
7
8
9
10
LLMON
GND
CTON
CSPD
Load Line Monitor. Connect to the source of the external N-channel MOSFET. The
external FET is turned on only when the load voltage is less than 100mV.
Ground
Startup Timer Input. Leave floating or connect the timing capacitor from CTON to GND.
See Startup and Retry Timers section.
Slow Comparator Speed Setting. Leave floating or connect the timing capacitor from
CSPD to GND. See Slow Comparator Response Time section.
_______________________________________________________________________________________
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4271ESA-TG05 | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX4272ESA | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX4272ESA+ | 功能描述:热插拔功率分布 3-12V Current-Limit Hot Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX4272ESA+T | 功能描述:热插拔功率分布 3-12V Current-Limit Hot Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX4272ESA-T | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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