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G570SA PDF预览

G570SA

更新时间: 2024-11-15 07:00:59
品牌 Logo 应用领域
致新 - GMT 电源电路电源管理电路光电二极管控制器PC
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14页 219K
描述
Dual-Slot PCMCIA/CardBus Power Controller

G570SA 数据手册

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Global Mixed-mode Technology Inc.  
G570  
Dual-Slot PCMCIA/CardBus Power Controller  
Features  
Description  
„ꢀFully Integrated VCC and Vpp Switching for Dual  
The G570 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 cir-  
cuit (IC). The circuit allows the distribution of 3.3V, 5V,  
and/or 12V card power by means of the Serial inter-  
face. The current-limiting feature eliminates the need  
for fuses, which reduces component count and im-  
proves reliability.  
Slot PC CardTM Interface  
„ꢀ3-Lead Serial Interface Compatible With  
CardBusTM Controllers  
„ꢀ3.3V Low Voltage Mode  
„ꢀMeets PC Card Standards  
„ꢀRESET for System Initialization of PC Cards  
„ꢀ12V Supply Can Be Disabled Except During  
12V Flash Programming  
„ꢀShort Circuit and Thermal Protection  
„ꢀ28 Pin and 30 Pin SSOP  
The G570 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 G570 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.  
„ꢀCompatible With 3.3V, 5V and 12V PC Cards  
„ꢀLow RDS(on) (225-mΩ 5V VCC Switch;  
200 m3.3V VCC Switch)  
„ꢀBreak-Before-Make Switching  
„ꢀInternal power-On Reset  
Application  
„ꢀNotebook PC  
„ꢀElectronic Dictionary  
„ꢀPersonal Digital Assistance  
„ꢀDigital still Camera  
End equipment for the G570 includes notebook com-  
puters, desktop computers, personal digital assistants  
(PDAs), digital cameras and bar-code scanners.  
Ordering Information  
PART NUMBER TEMP. RANGE  
PACKAGE  
28 SSOP  
G570S4  
G570SA  
-40°C to +85°C  
-40°C to +85°C  
30 SSOP  
Pin Information  
G570  
G570  
5V  
1
2
3
4
5V  
30  
29  
5V  
DATA  
1
2
5V  
5V  
28  
27  
26  
25  
24  
NC  
5V  
DATA  
28 NC  
3
4
NC  
NC  
NC  
CLOCK  
LATCH  
CLOCK  
LATCH  
RESET  
12V  
NC  
NC  
27  
26  
5
6
7
8
9
5
6
RESET  
12V  
25 NC  
23 12V  
12V  
24  
23  
AVPP  
22 BVPP  
7
8
9
BVPP  
BVCC  
AVPP  
AVCC  
AVCC  
AVCC  
BVCC  
21  
AVCC  
AVCC  
AVCC  
GND  
NC  
22  
20  
BVCC  
21 BVCC  
10  
11  
19 BVCC  
10  
11  
20  
BVCC  
18  
NC  
GND 12  
NC  
19  
18  
17  
16  
12  
13  
14  
17  
OC  
13  
14  
NC  
OC  
16  
RESET  
3.3V  
3.3V  
3.3V  
15  
3.3V  
3.3V  
RESET  
3.3V 15  
28Pin SSOP  
30Pin SSOP  
Ver 1.0  
Nov 09, 2000  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
1

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