MIC2514 Micrel Semiconductor, MIC2514 Datasheet

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MIC2514

Manufacturer Part Number
MIC2514
Description
IttyBitty Integrated High-Side Switch Preliminary Information
Manufacturer
Micrel Semiconductor
Datasheet

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MIC2514
General Description
The MIC2514 is an integrated high-side power switch that
consists of a TTL compatible input and protected
P-channel MOSFET. The MIC2514 can be used instead of
a separate high-side driver and MOSFET in many low-
voltage applications.
The MIC2514 switches voltage ranging from 3V to 13.5V and
delivers more than 400mA continuous current. A slow turn-
on feature prevents high inrush current when switching
capacitive loads. The internal control circuitry is powered
from the unswitched 3V to 13.5V input.
Current limiting is internally fixed at approximately 1.9A and
requires no external components.
Thermal shutdown turns off the output if the die temperature
exceeds approximately 170 C.
The MIC2514 is available in the 5-lead SOT-23-5 package
with a temperature range of –40 C to +85 C.
Pin Configuration
Pin Description
Pin Number
1
2
3
4
5
5-Lead SOT-23-5 (M5)
OUT
IN
3
4
F10
GND
2
CTL
Pin Name
NC
1
5
GND
OUT
CTL
NC
IN
Part
Identification
Pin Function
Control (Input): Noninverting TTL compatible control input.
High = on, low = off.
Ground
Supply Input: Output MOSFET source. Also supplies IC’s internal circuitry.
Connect to supply.
Switch Output: Output MOSFET drain. Connect to switched side
of load.
Not internally connected. Connect to ground plane for lowest package
thermal resistance.
6-18
Features
• MOSFET on-resistance
• 3V to 13.5V input
• 25 A typical on-state supply current at 5V
• <1 A typical off-state supply current at 5V
• Current limit
• Thermal shutdown
• Slow turn-on
Applications
• 3.3V to 13.5V power management
Ordering Information
Part Number
MIC2514BM5
Typical Application
IttyBitty™ Integrated High-Side Switch
1.5 typical at 5V
0.95 typical at 12V
On
Off
Preliminary Information
High-Side Power Switch
Temperature Range
1
2
CTL
GND
–40 C to +85 C
MIC2514
MIC2514
OUT
IN
3V to 13.5V
3
4
0.1µF
SOT-23-5
Package
Micrel
1997

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MIC2514 Summary of contents

Page 1

... P-channel MOSFET. The MIC2514 can be used instead of a separate high-side driver and MOSFET in many low- voltage applications. The MIC2514 switches voltage ranging from 3V to 13.5V and delivers more than 400mA continuous current. A slow turn- on feature prevents high inrush current when switching capacitive loads. The internal control circuitry is powered from the unswitched ...

Page 2

... MIC2514 Absolute Maximum Ratings Supply Voltage (V ) ................................................... +20V IN Output Current (I ) ............................... Internally Limited OUT Control Input (V ) ....................................... –0.3V to 15V CTL Storage Temperature (T ) ....................... – +150 C A Electrical Characteristics V = +5V except bold values indicate – Parameter Condition Supply Current V CTL V CTL V CTL V CTL ...

Page 3

... MIC2514 Typical Characteristics On-Resistance vs. Supply Voltage CTL SUPPLY VOLTAGE (V) On-State Supply Current vs. Temperature 200 150 V = 13.5V IN 100 -60 - 120 150 TEMPERATURE ( C) Control Input Threshold vs. Supply Voltage 2.0 CTL RISING A 1.5 CTL FALLING 1 ...

Page 4

... MIC2514 Typical Characteristics Turnoff Delay Time vs. Load Capacitance 5mA 13. 0 0.01 0 100 1000 LOAD CAPACITANCE (pF) Fall Time vs. Load Capacitance 5mA 0 13. 0.001 0 100 1000 LOAD CAPACITANCE (nF) 1997 Turnoff Delay Time vs ...

Page 5

... The current limit is preset internally. The preset level pre- vents damage to the output MOSFET but allows a typical current of 1.9A through the output MOSFET for the MIC2514. This current limit is sufficent to protect the bond wire and the output device from instantaneous high current. Package thermal ratings and power dissipation should be considered when determining safe continuous operating current ...

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