G574, G576, G57B Selling Leads, Datasheet
MFG:N/A Package Cooled:SOP D/C:06+
MFG:N/A Package Cooled:SOP D/C:06+
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Datasheet: G570
File Size: 222479 KB
Manufacturer: ETC [ETC]
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PDF/DataSheet Download
Datasheet: G576
File Size: 278074 KB
Manufacturer: GMT [Global Mixed-mode Technology Inc]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: G570
File Size: 222479 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
The G574 PC Card power-interface switch provides an integrated power-management solution for two PC Cards. All of the discrete power MOSFETs, a logic section, current limiting, and thermal protection for PC Card control are combined on a single integrated circuit (IC). The circuit allows the distribution of 3.3V, 5V, and/or 12V card power by means of the Serial interface. The current-limiting feature eliminates the need for fuses, which reduces component count and improves reliability.
The G574 features a 3.3V low voltage mode that allows for 3.3V switching without the need for 5V supply. This
facilitates low power system designs such as sleep mode and pager mode where only 3.3V is available.
The G574 incorporates a reset function, selectable by one of two inputs, to help alleviate system errors. The reset function enables PC card initialization concurrent with host platform initialization, allowing a system reset. Reset is accomplished by grounding the VCC and VPP (flash-memory programming voltage) outputs, which discharges residual card voltage.
This device also has the ability to program the xVpp outputs independent of the xVCC outputs. A standby
mode that changes all output-current limits to 50mA (typical) has been incorporated.
End equipment for the G574 includes notebook computers, desktop computers, personal digital assistants (PDAs), digital cameras and bar-code scanners.
The G574 is backward-compatible with the G570.
Input voltage range for card power:
VI(3.3V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V
VI(5V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...................... . -0.3V to 6V
VI(12V) . . . . . . . . . . . . . . . . . . . . . . . . . . . ..................... .-0.3V to 14V
Logic input voltage. . . . . . . . . . . . . . . . . ........................ . -0.3V to 6V
Output current (each card):
IO (xVCC) . . . . . . . . . . . . . . . . . . . . . .................... . . internally limited
IO(xVPP) . . . . . . . . . . . . . . . . . . . . .................... . . . .internally limited
Operating virtual junction temperature range, TJ . .. . . -40 to 125
Operating free-air temperature range, TA. . . . . . ..... . . .-40 to 85
Storage temperature range,TSTG. . . . . . .................. . .-55 to 150
Thermal resistance JA SSOP-30. . . . .. . . . . . . . . . ... . . . . . .122/W
Power dissipation PD (TA +25)
SSOP-30. . . . . . . . . . . . . ..................... . . . . . . . . . . . . . . .1024mW
ESD. . . . . . . . . . . . . . . . .. . . . . . .................... . . . . . . . . . . . .Note1
*Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the
device. These are stress rating only, and functional operation of the device at these or any other conditions
beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute
- maximum-rated conditions for extended periods may affect device reliability.
Note 1: ESD (electrostatic discharge) sensitive device. Proper ESD precautions are recommended to
avoid performance degradation or less of functionality.
The G576 PC Card power-interface switch provides an integrated power-management solution for dual-slot PC Cards. All of the discrete power MOSFETs, a logic section, current limiting, and thermal protection for PC Card control are combined on a single integrated cir-cuit. The circuit allows the distribution of 3.3V, 5V, and/or 12V card power, and is compatible with many PCMCIA controllers. The current-limiting feature eliminates the need for fuses, which reduces compo-nent count and improves reliability. Current-limit re-porting can help the user isolate a system fault to the PC Card.
The G576 features a 3.3V low voltage mode that al-lows for 3.3V switching without the need for 5V. Bias power can be derived from either the 3.3V or 5V inputs. This facilitates low-power system designs such as sleep mode and pager mode where only 3.3V is available.
End equipment for the G576 includes notebook com-puters, desktop computers, personal digital assistants (PDAs), digital cameras and bar-code scanners.
Input voltage range for card power:
VCC5...............................................................................................................-0.3V to 7V
VCC3.............................................................................................................. -0.3V to 7V
VCC12.............................................................................................................-0.3V to 14V
Logic input voltage.............................................................................................-0.3V to 7V
Output current (each card):IO (AVCC/BVCC)......................................................internally limited
IO(AVPP/BVPP) ...internally limited
Operating virtual junction temperature range, TJ. ........................-40°C to 150°C
Operating free-air temperature range,.TA .....................-40°C to 85°C
Storage temperature range, TSTG .................................................-55°C to 150°C
Lead temperature 1.6 mm (1/16 inch) from case for 10 seconds..................260°C
Thermal resistance JA
SSOP 28.....................................................................................125°C/W
Power dissipation PD (TA +25°C)
SSOP 28.......................................................................................800mW
ESD.............................................................................................Note1
Fully Integrated VCC and VPP Switching for Dual-Slot PC Card TM Interface
Low rDS(on) (180-m 5V VCC Switch and 3.3V VCC Switch)
3.3V Low-Voltage Mode
Meets PC Card Standards
12V Supply Can Be Disabled Except During 12V Flash Programming
Short Circuit and Thermal Protection
28 Pin SSOP
Compatible With 3.3V, 5V, and 12V PC Cards
Break-Before-Make Switching