參數(shù)資料
型號(hào): TPS2220BPWPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封裝: GREEN, PLASTIC, HTSSOP-24
文件頁(yè)數(shù): 15/31頁(yè)
文件大小: 774K
代理商: TPS2220BPWPRG4
www.ti.com
TPS2220B CONTROL LOGIC
ESD PROTECTIONS (see Figure 35)
Maximum recommended output capacitance for AVCC is 220
F including card capacitance, and for AVPP is 10 F, without OC glitch when
switches are powered on.
TPS2220B
VCC
AVPP
AVCC
LATCH
CLOCK
DATA
OC
RESET
VCC
0.1
F
0.1
F
Vpp1
Vpp2
PC Card
Connector A
DATA
CLOCK
LATCH
GPI/O
Controller
From PCI or
System RST
12 V
3.3 V
5 V
3.3 V
5 V
12 V
5 V
0.1
F
0.1
F
0.1
F
4.7
F
4.7
F
4.7
F
TPS2220B
SLVS554 – JANUARY 2005
APPLICATION INFORMATION (continued)
AVPP
AVCC
AVPP CONTROL SIGNALS
AVCC CONTROL SIGNALS
OUTPUT
V_AVPP
V_AVCC
D8 (SHDN)
D0
D1
D9
D8 (SHDN)
D3
D2
1
0
X
0 V
1
0
0 V
1
0
1
0
3.3 V
1
0
1
3.3 V
1
0
1
5 V
1
0
5 V
1
0
X
12 V
1
0 V
1
X
Hi-Z
0
X
Hi-Z
0
X
Hi-Z
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 AVCC and AVPP 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.
Figure 35. Detailed Interconnections and Capacitor Recommendations
22
相關(guān)PDF資料
PDF描述
TPS2220BDB 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
TPS2220BDBG4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
TPS2220BPWPR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
TPS2221PWPRG4 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
TPS2228PWPG4 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20
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