參數(shù)資料
型號(hào): MIC2007YML
廠商: MICREL INC
元件分類(lèi): 電源管理
英文描述: Adjustable Current Limit Power Distribution Switch
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO6
封裝: 2 X 2 MM, LEAD FREE, MLF-6
文件頁(yè)數(shù): 25/25頁(yè)
文件大小: 410K
代理商: MIC2007YML
Micrel, Inc.
MIC20XX Family
January 2009
9
M9999-012109-A
Descriptions
These pin and signal descriptions aid in the differentiation of a pin from electrical signals and components connected to
that pin. For example, VOUT is the switch’s output pin, while VOUT is the electrical signal output voltage present at the
VOUT pin.
Pin Descriptions
Pin Name
Type
Description
VIN
Input
Supply input. This pin provides power to both the output switch and the switch’s
internal control circuitry.
GND
Ground.
ENABLE
Input
Switch Enable (Input):
FAULT/
Output
Fault status. A logic LOW on this pin indicates the switch is in current limiting, or has
been shut down by the thermal protection circuit. This is an open-drain output
allowing logical OR’ing of multiple switches.
CSLEW
Input
Slew rate control. Adding a small value capacitor between this pin and VIN slows
turn-ON of the power FET.
VOUT
Output
Switch output. The load being driven by the switch is connected to this pin.
VUVLO
Input
Variable Under Voltage Lockout (VUVLO): Monitors the input voltage through a
resistor divider between VIN and GND. Shuts the switch off if voltage falls below the
threshold set by the resistor divider. Previously called VUVLO.
ILIMIT
Input
Set current limit threshold via a resistor connected from ILIMIT to GND.
Signal Descriptions
Signal Name
Type
Description
VIN
Input
Electrical signal input voltage present at the VIN pin.
GND
Ground.
VEN
Input
Electrical signal input voltage present at the ENABLE pin.
VFAULT/
Output
Electrical signal output voltage present at the FAULT/ pin.
CSLEW
Component
Capacitance value connected to the CSLEW pin.
VOUT
Output
Electrical signal output voltage present at the VOUT pin.
VVUVLO_TH
Internal
VUVLO internal reference threshold voltage. This voltage is compared to the
VUVLO pin input voltage to determine if the switch should be disabled. Reference
threshold voltage has a typical value of 250mV.
CLOAD
Component
Capacitance value connected in parallel with the load. Load capacitance.
IOUT
Output
Electrical signal output current present at the VOUT pin.
ILIMIT
Internal
Switch’s current limit. Fixed at factory or user adjustable.
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