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參數(shù)資料
| 型號： | MIC2025-2BMM |
| 廠商： | MICREL INC |
| 元件分類： | 電源管理 |
| 英文描述： | Single-Channel Power Distribution Switch Preliminary Information |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大小： | 138K |
| 代理商： | MIC2025-2BMM |
MIC2025/2075
Micrel
MIC2025/2075
10
March 2000
Short-Circuit Applied to Enabled Output
When a heavy load or short-circuit is applied, a large transient
current may flow until the current-limit circuitry responds.
Once this occurs the device limits current to less than the
short-circuit current limit specification. See the Short-Circuit
Transient Response graph under Functional Characteristics.
Current-Limit Response
—
Ramped Load
The MIC2025/75 current-limit profile exhibits a small foldback
effect of about 200mA. Once this current-limit threshold is
exceeded the device switches into a constant current mode.
It is important to note that the device will supply current until
the current-limit threshold is exceeded. See the Current-Limit
Response graph under Functional Characteristics.
Fault Flag
The FLG signal is an N-channel open-drain MOSFET output.
FLG is asserted (active-low) when either an overcurrent or
thermal shutdown condition occurs. In the case where an
overcurrent condition occurs, FLG will be asserted only after
the flag response delay time, t
D
, has elapsed. This ensures
that FLG is asserted only upon valid overcurrent conditions
and that erroneous error reporting is eliminated. For ex-
ample, false overcurrent conditions can occur during hot-plug
events when a highly capacitive load is connected and
causes a high transient inrush current that exceeds the
current-limit threshold. The FLG response delay time t
D
is
typically 3ms.
Undervoltage Lockout
Undervoltage lockout (UVLO) prevents the output MOSFET
from turning on until V
IN
exceeds approximately 2.5V. Under-
voltage detection functions only when the switch is enabled.
V
EN
V
OUT
I
OUT
Short-Circuit Fault
Thermal Shutdown
Reached
Load Removed
(Output Reset)
V
FLG
I
LIMIT
I
DC
t
D
Figure 1. MIC2075-2 Timing: Output Reset by Removing Load
V
EN
V
OUT
I
LIMIT
I
OUT
Short-Circuit Fault
Thermal Shutdown
Reached
Load/Fault
Removed
V
FLG
I
DC
t
D
Figure 2. MIC2025-2 Timing
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2025-2BMM TR | 功能描述:IC DISTRIBUTION SW SGL 8-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電源分配開關 系列:MM8™ 特色產(chǎn)品:XRP252 Switches 標準包裝:1 系列:- 類型:高端開關 輸出數(shù):2 Rds（開）:140 毫歐 內部開關:是 電流限制:1.15A 輸入電壓:1.75 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN（3x3） 包裝:Digi-Reel® 其它名稱:1016-1691-6 |
| MIC2025-2BMTR | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| MIC2025-2FBM | 功能描述:IC DISTRIBUTION SW SGL 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 電源分配開關 系列:MM8™ 特色產(chǎn)品:XRP252 Switches 標準包裝:1 系列:- 類型:高端開關 輸出數(shù):2 Rds（開）:140 毫歐 內部開關:是 電流限制:1.15A 輸入電壓:1.75 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN（3x3） 包裝:Digi-Reel® 其它名稱:1016-1691-6 |
| MIC2025-2FBM TR | 功能描述:IC DISTRIBUTION SW SGL 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 電源分配開關 系列:MM8™ 特色產(chǎn)品:XRP252 Switches 標準包裝:1 系列:- 類型:高端開關 輸出數(shù):2 Rds（開）:140 毫歐 內部開關:是 電流限制:1.15A 輸入電壓:1.75 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN（3x3） 包裝:Digi-Reel® 其它名稱:1016-1691-6 |
| MIC2025-2FBMM | 功能描述:IC DISTRIBUTION SW SGL 8-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電源分配開關 系列:MM8™ 特色產(chǎn)品:XRP252 Switches 標準包裝:1 系列:- 類型:高端開關 輸出數(shù):2 Rds（開）:140 毫歐 內部開關:是 電流限制:1.15A 輸入電壓:1.75 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-TDFN（3x3） 包裝:Digi-Reel® 其它名稱:1016-1691-6 |
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