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參數資料
| 型號： | MAX5917BESE+T |
| 廠商： | Maxim Integrated |
| 文件頁數： | 1/11頁 |
| 文件大小： | 273K |
| 描述： | IC HOT-SWAP SWITCH 65V 16-SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 系列： | Simple Swapper™ |
| 類型： | 熱交換開關 |
| 應用： | IP 電話，LAN 網絡供電，網絡路由器和交換機 |
| 內部開關： | 是 |
| 電流限制： | 420mA |
| 電源電壓： | 10 V ~ 65 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-SOIC |
| 包裝： | 帶卷 (TR) |
General Description
The MAX5910/MAX5917 are fully integrated hot-swap
switches for positive supply rails. These devices allow
the safe insertion and removal of circuit cards into live
backplanes or ports without causing glitches on the
backplane power-supply rail. They also monitor various
circuit parameters and disconnect the load if a fault
condition occurs, alerting the host with a logic-level
IFAULT output. The MAX5910/MAX5917 operate over a
+10V to +65V input voltage range. They are designed
to permit hot plugging of an internet appliance such as
an IP phone but are not limited to that application.
During startup, an internal power FET regulates the cur-
rent between the backplane power source and the load
to 280mA for the MAX5910, 567mA for the MAX5917A,
and 420mA for the MAX5917B. After startup, the FET is
fully enhanced to reduce its on-resistance. To ensure
robust operation, the MAX5910/MAX5917 contain built-
in safety features that prevent damage to the internal
FET. They include an enable input, which responds to
positive logic signals (+3.3V or +5V), allowing the host
system to disconnect the load.
The MAX5910/MAX5917 Simple Swapper" hot-swap ICs
monitor four parameters for fault conditions: undervoltage
lockout (UVLO), power-not-good, zero-current detection,
and thermal shutdown. These devices are available in the
extended temperature range, -40癈 to +85癈. The
MAX5910 comes in an 8-pin SO package and the
MAX5917A/B is available in a 16-pin SO package.
Applications
IP Phones
Power-Over-LAN
Power-Over-MDI
Remote Power Distribution
Network Routers
Network Switches
Internet Appliances
Features
o Provides Safe Hot Swap for +10V to +65V Power
Supplies
o IEEE 802.3af Compliant (MAX5917A)
o Startup into 500?/SPAN>F Load (MAX5917A)
o 280mA Current Limit for MAX5910
o 567mA Current Limit for MAX5917A
o 420mA Current Limit for MAX5917B
o Zero-Current Load Detection
o Integrated 2.2& Power FET
o Status Output Reports Fault Conditions
o Internal Switch-Protection Circuitry
o Built-In Thermal Shutdown
+65V Simple Swapper Hot-Swap Switches
________________________________________________________________ Maxim Integrated Products 1
+3.3V
IFAULT
V
IN
V
IN
(+42V)
ENABLE
GND
V
OUT
PGOOD
UVLO
10k&
10k&
MAX5910
MAX5917
L
O
A
D
ON
OFF
Typical Operating Circuit
Ordering Information
19-1706; Rev 0; 7/01
*Future productcontact factory for availability.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxims website at www.maxim-ic.com.
PART
TEMP. RANGE
PIN-PACKAGE
MAX5910ESA
-40癈 to +85癈
8 SO
MAX5917AESE*
-40癈 to +85癈
16 SO
MAX5917BESE
-40癈 to +85癈
16 SO
Simple Swapper is a trademark of Maxim Integrated Products, Inc.
Pin Configurations appear at end of data sheet.
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