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AMS2027, AMS222AM1, AMS2300

Table of contents:
Info of AMS2027
Info of AMS222AM1
Info of AMS2300

AMS2027, AMS222AM1, AMS2300 Selling Leads, Datasheet

MFG:AMS Package Cooled:07+ D/C:DIP

AMS2027, AMS222AM1, AMS2300 Datasheet download

Five Points

Part Number: AMS2027

MFG: AMS

Package Cooled: 07+

D/C: DIP

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AMS2027 General Description

The AMS2027 is a power distribution switch intended for application where heavy capacitive loads and short-circuits are likely to be encountered. The high-side switch is a 110m N-channel MOSFET. The switch is controlled by a logic enable input compatible with 3V and 5V logic and is available in active-high or active-low enable. The internal charge pump, designed to control the power switch rise and fall time to minimize current surges during switching, also provides the gate drive. Requiring no external components the charge pump allows operation from supplies as low as 3.3V. When an overload or a short circuit is encountered the AMS2027 limits the output current to a safe level by switching into a constant-current mode and the overcurrent logic output error flag is set to a low. The power dissipation in the switch will be increased by continuous heavy overloads and short circuits; this will cause the junction temperature to rise. The thermal protection circuit shuts the power switch off to prevent damage. Once the device has cooled sufficiently, it will turn on automatic. An under voltage lock-out is provided to insure that the power switch is in the Off state at start-up.

The AMS2027 is offered in the 8 lead SOIC package and the 8 lead PDIP package and is rated operational over a -40°C to 85°C temperature range.

AMS2027 Maximum Ratings

Input Voltage Range, V_I                                  -0.3V to 7V
Output Voltage Range, V_O                 -0.3V to V_I(IN)+0.3V
Input Voltage Range, V_I at /EN                           -0.3V to 7V
Continuos Output Current, I_O
Internal Power Dissipation (Note 3)           Internally Limited
Maximum Junction Temperature                               +125°C
Storage Temperature                                -65°C to +150°C
Lead Temperature (Soldering 10 sec)                        260°C

AMS2027 Features

· 110mW Typical (5V Input) High Side MOSFET Switch
· Short Circuit Protection
· Logic Overcurrent Output Error Flag
· Logic Undervoltage Output Error Flag
· Logic Overheat Output Error Flag
· Enable Input Compatible With 3V and 5V Logic
· Controlled Rise and Fall Times Limit Current Surges and Minimize EMI
· Undervoltage Lock-Out Guarantees the Switch is Off At Start-up
· 100mA Maximum On-State Supply Current
· Available Active-High or Active-Low Enable
· Available in Space Saving 8 lead SOIC and 8 Lead PDIP

AMS2027 Typical Application

· USB Power Management
· Hot Plug-In Power Supplies
· Battery-Charger Circuits

AMS2027 Connection Diagram

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