參數(shù)資料
型號(hào)： TPS2223APWPG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封裝： GREEN, PLASTIC, HTSSOP-24
文件頁數(shù)： 23/30頁
文件大?。?/td> 746K
代理商： TPS2223APWPG4
www.ti.com
ELECTRICAL CHARACTERISTICS
SLVS428E – MAY 2002 – REVISED MSRCH 2008
RECOMMENDED OPERATING CONDITIONS (continued)
MIN
MAX
UNIT
Operating virtual junction temperature (maximum to be calculated at worst case PD at 85°C
TJ
–40
100
°C
ambient)
TJ = 25°C, VI(5V) = 5 V, VI(3.3V) = 3.3 V, VI(12V) = 12 V (not applicable for TPS2223A), all outputs unloaded (unless otherwise
noted)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
POWER SWITCH
IO = 750 mA each
85
110
3.3V to xVCC(2)
IO = 750 mA each, TJ = 100°C
110
140
m
IO = 500 mA each
95
130
5V to xVCC(2)
IO = 500 mA each, TJ = 100°C
120
160
Static drain-source
rDS(on)
on-state resistance
IO = 50 mA each
0.8
1
3.3V or 5V to xVPP(2)
IO = 50 mA each, TJ = 100°C
1
1.3
IO = 50 mA each
2
2.5
12V to xVPP(2)
IO = 50 mA each, TJ = 100°C
2.5
3.4
Discharge at xVCC
IO(disc) = 1 mA
0.5
0.7
1
Output discharge
k
resistance
Discharge at xVPP
IO(disc) = 1 mA
0.2
0.4
0.5
IOS(xVCC)
1
1.4
2
A
Limit (steady-state value), output
powered into a short circuit
IOS(xVPP)
120
200
300
mA
IOS
Short-circuit output current
Limit (steady-state value), output
IOS(xVCC)
1
1.4
2
A
powered into a short circuit,
IOS(xVPP)
120
200
300
mA
TJ = 100°C
Thermal trip point
Rising temperature
135
Thermal shutdown
TJ
°C
temperature(2)
Hysteresis
10
5V to xVCC = 5 V, with 100-m
short to GND
10
Current-limit response time(3)(4)
s
5V to xVPP = 5 V, with 100-m
short to GND
3
II(3.3V)
140
200
Normal
VO(xVCC) = VO(xVPP) = 3.3 V and
II(5V)
8
12
operation
also for RESET = 0 V
II(12V)
100
180
II
Input current, quiescent
A
II(3.3V)
0.3
2
Shutdown mode
II(5V)
VO(xVCC) = VO(xVPP) = Hi-z
0.1
2
II(12V)
0.3
2
10
VO(xVCC) = 5 V, VI(5V) = VI(12V) = 0 V
TJ = 100°C
50
Leakage current,
Ilkg
Shutdown mode
A
output off state
10
VO(xVPP) = 12 V, VI(5V) = VI(12V) = 0 V
TJ = 100°C
50
(1)
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account
separately.
(2)
TPS2223A, TPS2224A, TPS2226A: two switches on. TPS2220A: one switch on.
(3)
Specified by design; not tested in production.
(4)
From application of short to 110% of final current limit.
Copyright 2002–2008, Texas Instruments Incorporated
3
Product Folder Link(s): TPS2220A TPS2223A TPS2224A TPS2226A
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