参数资料
型号: TPS2223DB
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封装: GREEN, PLASTIC, SSOP-24
文件页数: 16/33页
文件大小: 814K
代理商: TPS2223DB
TPS2223, TPS2224, TPS2226
DUALSLOT CARDBUS POWERINTERFACE SWITCHES
FOR SERIAL PCMCIA CONTROLLERS
SLVS317 MAY 2001
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
ESD protections (see Figure 35)
All inputs and outputs of these devices incorporate ESD-protection circuitry designed to withstand a 2-kV
human-body-model discharge as defined in MIL-STD-883C, Method 3015. The xVCC and xVPP outputs can
be exposed to potentially higher discharges from the external environment through the PC Card connector.
Bypassing the outputs with 0.1-
F capacitors protects the devices from discharges up to 10 kV.
Maximum recommended output capacitance for xVCC is 220 F including card capacitance, and for xVPP is 10 F, without OC glitch when
switches are powered on.
TPS2226
VCC
BVPP
BVCC
AVPP
AVCC
LATCH
CLOCK
DATA
OC
RESET
VCC
0.1
F
0.1
F
Vpp1
Vpp2
PC Card
Connector A
VCC
0.1
F
0.1
F
Vpp1
Vpp2
PC Card
Connector B
DATA
CLOCK
LATCH
GPI/O
Controller
From PCI or
System RST
12 V
3.3 V
5 V
12 V
3.3 V
5 V
12 V
3.3 V
5 V
0.1
F
0.1
F
0.1
F
4.7
F
4.7
F
4.7
F
5 V
Figure 35. Detailed Interconnections and Capacitor Recommendations
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