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参数资料
| 型号： | MAX5903ACETT+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/14页 |
| 文件大小： | 333K |
| 描述： | IC HOT-SWAP CONTROLLER 6-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | Simple Swapper™ |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 9 V ~ 72 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WDFN 裸露焊盘 |
| 供应商设备封装： | 6-TDFN 裸露焊盘（3x3） |
| 包装： | 带卷 (TR) |
+72V, SOT23/TDFN, Simple Swapper Hot-Swap
Controllers
6 _______________________________________________________________________________________
MAX5902L/MAX5903L turn off the MOSFET, discon-
necting the load immediately. If no circuit-breaker fault
exists, the MAX5902/MAX5903 assert the power-good
output. Then, if any of four conditions exist, the power-
good output deasserts and the MAX5902/MAX5903
turn off the MOSFET. The four conditions are: the volt-
age across the MOSFET exceeds the circuit-breaker
threshold; the supply voltage falls below the undervolt-
age lockout level; the die temperature exceeds
+125癈; or ON/OFF is forced low. After a circuit-break-
er fault, the MAX5902L/MAX5903L keep the MOSFET
off until the power is cycled, or the part is reset by tog-
gling ON/OFF low for 10ms (typ). After a circuit-breaker
fault, the MAX5902A/MAX5903A automatically restarts
in 150ms (typ). All versions automatically restart after a
thermal fault, or an undervoltage shutdown, if the fault
condition goes away for at least 150ms (typ).
ON/OFF offers external control of the MAX5902/
MAX5903, facilitating power-supply sequencing, and
may also be used to change the undervoltage lockout
(UVL) level. UVLO keeps the external MOSFET
switched off as long as the input voltage is below the
desired level.
A power-good output, PGOOD (MAX5902) or PGOOD
(MAX5903), asserts when the external MOSFET is fully
enhanced and the source-drain voltage is below the
circuit-breaker threshold. PGOOD and PGOOD are
open-drain outputs referenced to GND, and can with-
stand up to +72V.
GND
GATE DRAIN
V
S
50k&
50&
50k&
50k&
MAX5902
ON/OFF
PGOOD
V
I
V
IN
GND
GATE DRAIN
V
S
MAX5902
ON/OFF
PGOOD
V
V
V
IN
GND
GATE DRAIN
V
S
MAX5902
ON/OFF
PGOOD
V
V
V
IN
0 TO 0.5V
GND
GATE DRAIN
V
S
MAX5902A
ON/OFF
PGOOD
SCOPE
SCOPE
48V
C
L
R
L
GND
GATE
DRAIN
IRFR5410
V
S
MAX5902
ON/OFF
PGOOD
SCOPE
SCOPE
SCOPE
SCOPE
48V
GND
GATE
DRAIN
V
S
MAX5902
ON/OFF
PGOOD
SCOPE
SCOPE
SCOPE
48V
(a) SUPPLY CURRENT
(d) RETRY TIMEOUT
(d) STARTUP WAVEFORMS
(d) CIRCUIT-BREAKER EVENT
(b) V
UVLO
(b) GATE DRIVE VOLTAGE
Figure 2. Test Circuits
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5903ACEUT | 制造商:Maxim Integrated Products 功能描述:SIMPLE SWAPPER HOT-SWAP SWITCHES - Cut Tape Product |
| MAX5903ACEUT+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX5903ACEUT+T | 功能描述:热插拔功率分布 72V 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 |
| MAX5903ACEUT-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 |
| MAX5903LAETT | 制造商:Maxim Integrated Products 功能描述:SIMPLE SWAPPER HOT-SWAP SWITCHES - Rail/Tube |
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