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參數(shù)資料
| 型號： | MAX5923EUP+T |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 444K |
| 描述： | IC HOT-SWAP SWITCH +60V 20-TSSOP |
| 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： | 通用 |
| 內部開關： | 是 |
| 電流限制： | 800mA |
| 電源電壓： | 16 V ~ 60 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
Typical Operating Characteristics (continued)
(V
IN
= 48V, VDIG, EN, LATCH, CLASS, ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V, R
SENSE
= 0.5&, UVLO floating,
T
A
= +25癈, unless otherwise noted.)
OUTPUT SHORT-CIRCUIT RESPONSE
MAX5923 toc23
200祍/div
200mA/div
20V/div
V
OUT
I
OUT
+60V Simple Swapper Hot-Swap Switch
_______________________________________________________________________________________ 7
OUTPUT SHORT-CIRCUIT RESPONSE
MAX5923 toc22
4祍/div
10A/div
20V/div
V
OUT
I
OUT
PIN
NAME
FUNCTION
AGND
Analog Ground. This is the return of analog power input. AGND can vary ?V from DGND. AGND and
DGND must be connected together at a single point in the system.
1, 2
DRAIN
Drain connection for the integrated MOSFET. Connect a sense resistor, R
SENSE
, from DRAIN to IN.
These pins are also the current-sense resistor negative terminal. R
SENSE
sets the overcurrent-limit
and open-circuit detection threshold. These two pins must be connected together.
3
IN
Input Voltage. Connect to a positive voltage source between 16V to 60V from IN to AGND. This is the
current-sense resistor positive terminal. Bypass to AGND with a 100礔, 100V electrolytic capacitor
and 0.1礔, 100V ceramic capacitor. Place the ceramic capacitor close to this pin.
4, 12, 18, 19
N.C.
No Connection. Not internally connected. Leave pins open. Pins are left unconnected to provide
additional spacing between the high-voltage pins and other pins.
5
AGND_S
Analog Ground Sense. Connect a 1& resistor from AGND_S to AGND. This resistor protects the IC
during an output short-circuit condition.
6
UVLO
Undervoltage Lockout Adjustment Input. Referenced to AGND. Connect to the center point of a
resistive divider from IN to AGND to adjust the UVLO threshold. Leave open for default value.
7
FAULT
Fault Signal Open-Drain Logic Output. Reference to DGND. FAULT is latched low when:
" An overtemperature condition occurs and/or,
" An overcurrent condition that has lasted for more than t
OC
.
8
POK
Power-OK Open-Drain Logic Output. Reference to DGND. POK goes open drain a time t
POK_HIGH
after V
OUT
raises to within V
THPOK
from V
IN
. POK goes low a time t
POK_LOW
after V
OUT
falls out of the
V
THPOK
from V
IN
.
9
ZC
Zero-Current Fault Signal. Open-drain logic output. Reference to DGND. ZC is latched low when there
is a zero-current condition lasting longer than t
ZCDEL
. ZC is open drain otherwise. The zero-current
detection circuit is enabled immediately after the POK signal goes high.
10
TP1
Must be left open or connected to AGND
11
TP3
Must be left open or connected to AGND
Pin Description
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| MAX5924BEUB | 功能描述:熱插拔功率分布 RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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