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MIC2075 PDF 데이터시트 ( Data , Function )

부품번호 MIC2075 기능
기능 Single-Channel Power Distribution Switch MM8
제조업체 Micrel Semiconductor
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MIC2075 데이터시트, 핀배열, 회로
MIC2025/2075
MIC2025/2075
Micrel, Inc.
Single-Channel Power Distribution Switch MM8®
General Description
The MIC2025 and MIC2075 are high-side MOSFET switches
optimized for general-purpose power distribution requiring
circuit protection.
The MIC2025/75 are internally current limited and have
thermal shutdown that protects the device and load. The
MIC2075 offers “smart” thermal shutdown that reduces cur-
rent consumption in fault modes. When a thermal shutdown
fault occurs, the output is latched off until the faulty load is
removed. Removing the load or toggling the enable input will
reset the device output.
Both devices employ soft-start circuitry that minimizes inrush
current in applications where highly capacitive loads are em-
ployed. A fault status output flag is provided that is asserted
during overcurrent and thermal shutdown conditions.
The MIC2025/75 is available in the MM8® 8‑lead MSOP
and 8‑lead SOP.
Features
• 140mΩ maximum on-resistance
• 2.7V to 5.5V operating range
• 500mA minimum continuous output current
• Short-circuit protection with thermal shutdown
• Fault status flag with 3ms filter eliminates false asser-
tions
• Undervoltage lockout
• Reverse current flow blocking (no “body diode”)
• Circuit breaker mode (MIC2075) reduces power
consumption
• Logic-compatible input
• Soft-start circuit
• Low quiescent current
• Pin-compatible with MIC2525
• UL File # E179633
Applications
• USB peripherals
• General purpose power switching
• ACPI power distribution
• Notebook PCs
• PDAs
• PC card hot swap
Typical Application
10k
Logic Controller
VIN ON/OFF
1µF OVERCURRENT
GND
VCC
2.7V to 5.5V
MIC2025/75
EN
FLG
GND
NC
OUT
IN
OUT
NC
Load
0.1µF
UL Recognized Component
MM8 is a registered trademark of Micrel, Inc.
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
June 2010
1 MIC2025/2075




MIC2075 pdf, 반도체, 판매, 대치품
MIC2025/2075
Micrel, Inc.
Symbol
Parameter
Condition
Min Typ Max
Error Flag Output
Resistance
Error Flag Off Current
Overtemperature Threshold
IL = 10mA, VIN = 5V
8 25
IL = 10mA, VIN = 3.3V
11 40
VFLAG = 5V
10
TJ increasing
140
TJ decreasing
120
Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handling precautions recommended.
Note 4. See “Functional Characteristics: Current-Limit Response” graph.
Units
Ω
Ω
µA
°C
°C
Test Circuit
Device
IOUT
Under
Test
OUT
RL
CL
VOUT
Timing Diagrams
VOUT
tR
90%
90%
10% 10%
Output Rise and Fall Times
tF
VE N
VO U T
50%
tON
90%
tO F F
10%
Active-Low Switch Delay Times (MIC20x5-2)
MIC2025/2075
VEN 50%
VO U T
tON
90%
tO F F
10%
Active-High Switch Delay Times (MIC20x5-1)
4
June 2010

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MIC2075 전자부품, 판매, 대치품
MIC2025/2075
Functional Characteristics
Micrel, Inc.
June 2010
7 MIC2025/2075

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