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MIC2564A
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Part Number: MIC2564A

Package Cooled: 00+

D/C: SSOP

Description: The MIC2564A is dual-slot PC Card (PCMCIA) and CardBus power controller. It is a sophisticated power switching matrix t...

MIC2564A General Description

The MIC2564A is dual-slot PC Card (PCMCIA) and CardBus power controller. It is a sophisticated power switching matrix that controls V_CC and V_PP voltages to two PC Card slots. The MIC2564A is used in conjunction with a serial-data output logic controller using the standard three-wire serial control data format.

When connected to 3.3V, 5V, and 12V system power sup- plies, the MIC2564A can switch its V_CC outputs between 0V, 3.3V, 5.0V, and high-impedance states and V_PP outputs between 0V, 3.3V, 5V, 12V, and high-impedance states. The V_CC outputs will supply a minimum of 1A current to the socket
and the V_PP outputs will supply a minimum of 120mA to the socket. Voltage rise and fall times are well controlled. The MIC2564A also features an efficient standby (sleep) mode at 0.3m A typical quiescent current.

12V and 5V supplies are not required for MIC2564A opera- tion making it possible to omit one or both supplies when they are not needed by the system. An internal charge pump supplies the internal bias voltages required for high-performance switching.

The MIC2564A is protected by overtemperature shutdown, and protects itself and the system with current limiting and cross-conduction lockout.

The MIC2564A is available in 24-pin SSOP and 24-pin TSSOP.

MIC2564A Maximum Ratings

V_PP IN .......................................................................+13.6V
V_CC3 IN........................................................................+6.0V
V_CC5 IN........................................................................+6.0V
V_SCL , V_SDA , V_SLA , V_RST ...............................0.3V to +6.0V
V_{A FLAG} , V_{B FLAG} .......................................................+6.0V
A or B V_PP OUT ........................... >120mA, Internally Limited
A or B V_CC OUT ................................. >1A, Internally Limited
Power Dissipation at T_A 25 C (P_D) ......Internally Limited
Storage Temperature..................................65 C to +150 C
Lead Temperature (5 sec.)..........................................+260 C
ESD Rating, Note 3

MIC2564A Features

* Standard 3-wire serial control data input
* Controls two card slots from one surface mount device
* High-efficiency, low-resistance switches
* 12V supply optional (not required by MIC2564A)
* Current limit and overtemperature shutdown
* Ultralow 1m A-typical standby power consumption
* Cross-conduction lockout (no switching transients)
* Break-before-make switching
* 1A minimum V_CC output per slot
* Independent V_CC and V_PP voltage output (MIC2564A-1)
* 120mA minimum V_PP output current per slot
* 24-pin surface-mount SSOP and TSSOP packages

MIC2564A Typical Application

* PC Card and CardBus power control
* Zoom Video port power control
* Wireless communications
* Bar code data collection systems
* Docking stations (portable and desktop)
* Power supply management

MIC2564A Connection Diagram

MIC2564A datasheet

MIC2564A-0BSM
PDF/DataSheet Download

Datasheet: MIC2564A-0BSM
File Size: 169997 KB
Manufacturer: MICREL [Micrel Semiconductor]
Click here to Download

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