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MIC2077 데이터시트 PDF




Micrel Semiconductor에서 제조한 전자 부품 MIC2077은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 MIC2077 자료 제공

부품번호 MIC2077 기능
기능 Quad USB Power Distribution Switch
제조업체 Micrel Semiconductor
로고 Micrel Semiconductor 로고


MIC2077 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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MIC2077 데이터시트, 핀배열, 회로
MIC2027/2077
Quad USB Power Distribution Switch
General Description
The MIC2027 and MIC2077 are quad high-side MOSFET
switches optimized for general-purpose power distribution
requiring circuit protection. The MIC2027/77 are internally
current limited and have thermal shutdown that protects
the device and load.
The MIC2077 offers “smart” thermal shutdown that
reduces current 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 employed.
A fault status output flag is asserted during overcurrent
and thermal shutdown conditions. Transient current limit
faults are internally filtered.
The MIC2027/77 are available in 16-pin narrow (150 mil)
and wide (300 mil) SOIC packages.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Features
150mmaximum on-resistance per channel
2.7V to 5.5V operating range
500mA minimum continuous current per channel
Short-circuit protection with thermal shutdown
Thermally isolated channels
Fault status flag with 3ms filter eliminates false
assertions
Undervoltage lockout
Reverse current flow blocking (no “body diode”)
Circuit breaker mode (MIC2077) reduces power
consumption
Logic-compatible inputs
Soft-start circuit
Low quiescent current
Pin compatible with MIC2524 and MIC2527
Applications
USB peripherals
General purpose power switching
ACPI power distribution
Notebook PCs
PDAs
PC card hot swap
Typical Application
®
UL Recognized Component
4-Port Self-Powered Hub
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
September 2006
1 M9999-091506




MIC2077 pdf, 반도체, 판매, 대치품
Micrel, Inc.
Absolute Maximum Ratings(1)
Supply Voltage (VIN) ............................................ –0.3V +6V
Fault Flag Voltage (VFLG)................................................+6V
Fault Flag Current (IFLG) ..............................................25mA
Output Voltage (VOUT) ....................................................+6V
Output Current (IOUT) .................................Internally Limited
Enable Input (IEN) .......................................... –0.3V VIN +3V
Lead Temperature (soldering, 5sec.)......................... 260°C
Storage Temperature (TS).........................–65°C to +150°C
EDS Rating(3).................................................................. 1kV
MIC2027/2077
Operating Ratings(2)
Supply voltage (VIN) ..................................... +2.7V to +5.5V
Ambient Temperature (TA) .......................... –40°C to +85°C
Junction Thermal Range(TJ) ..................... Internally Limited
Thermal Resistance
[300 mil] Wide SOIC (θJA)................................120°C/W
[150 mil] SOIC (θJA).........................................112°C/W
DIP (θJA) ..........................................................130°C/W
Electrical Characteristics
VIN = +5V; TA = 25°C, bold values indicate –40°C< TA < +85°C, unless noted.
Symbol
IDD
Parameter
Supply Current
Condition
MIC20x7-1, VENA–D 0.8V
(switch off), OUT = open
MIC20x7-2, VENA–D 2.4V
(switch off), OUT = open
MIC20x7-1, VENA–D 2.4V
(switch on), OUT = open
MIC20x7-2, VENA–D 0.8V
(switch on), OUT = open
VEN Enable Input Threshold
low-to-high transition
high-to-low transition
Enable Input Hysteresis
IEN Enable Input Current
VEN = 0V to 5.5V
Enable Input Capacitance
RDS(on)
Switch Resistance
VIN = 5V, IOUT = 500mA
Output Leakage Current
VIN = 3.3V, IOUT = 500mA
MIC20x7-1, VENx 0.8V;
MIC20x7-2, VENx 2.4V, (output off)
Output Current in
Latched Thermal Shutdown
MIC2077 (per Latch Output)
(during thermal shutdown state)
tON Output Turn-On Delay
RL = 10, CL = 1µF, see “Timing Diagrams”
tR
Output Turn-On Rise Time
RL = 10, CL = 1µF, see “Timing Diagrams”
tOFF Output Turnoff Delay
RL = 10, CL = 1µF, see “Timing Diagrams”
tF Output Turnoff Fall Time RL = 10, CL = 1µF, see “Timing Diagrams”
ILIMIT
Short-Circuit Output Current
VOUT = 0V, enabled into short-circuit
Current-Limit Threshold
ramped load applied to output
Short-Circuit Response Time
VOUT = 0V to IOUT = ILIMIT
(short applied to output)
tD
Overcurrent Flag Response
VIN = 5V, apply VOUT = 0V until FLG low
Delay
VIN = 3.3V, apply VOUT = 0V until FLG low
Min Typ Max Units
1.5 10
µA
1.5 10
µA
200 320
µA
200 320
µA
1.7 2.4
0.8 1.45
250
–1 0.01
1
1
100 150
110 180
10
V
V
mV
µA
pF
m
m
µA
50 µA
1.3 5
1.15 4.9
35 100
32 100
0.5 0.9 1.25
1.0 1.25
20
ms
ms
µs
µs
A
A
µs
1.5 3 7 ms
3 ms
September 2006
4
M9999-091506

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MIC2077 전자부품, 판매, 대치품
Micrel, Inc.
Typical Characteristics
MIC2027/2077
September 2006
7
M9999-091506

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