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参数资料
型号： TPS2228PWPG4
厂商： TEXAS INSTRUMENTS INC
元件分类： 电源管理
英文描述： 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20
封装： GREEN, PLASTIC, HTSSOP-20
文件页数： 26/30页
文件大小： 696K
代理商： TPS2228PWPG4
TPS2228
TPS2221
SLVS419C MAY 2002 REVISED DECEMBER 2008
www.ti.com
5
ELECTRICAL CHARACTERISTICS
TJ = 40°C to 100°C, VI(5VIN) = 5 V, VI(3.3VIN) = 3.3 V, VI(1.8VIN) = 1.8 V, all outputs unloaded (unless otherwise noted)(1)
PARAMETER(1)
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
SWITCHING CHARACTERISTICS
5VIN to xVCC
C
=01
FI
=0A
0.5
2
3.3VIN to xVCC
CL(xVCC) = 0.1 F, IO(xVCC) = 0 A,
0.5
2
1.8VIN to xVPP/VCORE
CL(xVPP/VCORE) = 0.1 F,
0.5
2
3.3VIN to xVPP/VCORE
CL(xVPP/VCORE)
0.1
F,
IO(xVPP/VCORE) = 0 A
0.15
1
t Output rise times(2)
5VIN to xVPP/VCORE
CL(xVPP/VCORE) = 0.1 F,
IO(xVPP/VCORE) = 0 A
0.05
0.14
ms
tr Output rise times(2)
5VIN to xVCC
C
= 150
FI
= 0 75A
0.75
2.0
ms
3.3VIN to xVCC
CL(xVCC)= 150 F, IO(xVCC) = 0.75A
0.75
2.0
1.8VIN to xVPP/VCORE
CL(xVPP/VCORE) = 150 F,
0.50
2.0
3.3VIN to xVPP/VCORE
CL(xVPP/VCORE)
150
F,
IO(xVPP/VCORE) = 0.375A
0.50
1.15
5VIN to xVPP/VCORE
CL(xVPP/VCORE) = 10 F,
015
0 375
5VIN to xVPP/VCORE
CL(xVPP/VCORE)
10
F,
IO(xVPP/VCORE) = 0.05A
0.15
0.375
5VIN to xVCC
C
=01
FI
=0A
0.25
1.0
3.3VIN to xVCC
CL(xVCC) = 0.1 F, IO(xVCC) = 0 A,
0.35
1.0
1.8VIN to xVPP/VCORE
C
=01
FI
=0A
0.25
1.0
3.3VIN to xVPP/VCORE
CL(xVCC) = 0.1 F, IO(xVCC) = 0 A,
0.1
0.5
5VIN to xVPP/VCORE
CL(xVPP/VCORE) = 0.1 F,
0 075
015
t Output fall times(2)
5VIN to xVPP/VCORE
CL(xVPP/VCORE)
0.1
F,
IO(xVPP/VCORE) = 0 A
0.075
0.15
ms
tf Output fall times(2)
5VIN to xVCC
C
= 150
FI
= 0 75A
1.4
2.5
ms
3.3VIN to xVCC
CL(xVCC) = 150 F, IO(xVCC) = 0.75A
1.4
1.7
1.8VIN to xVPP/VCORE
CL(xVCC) = 150 F,
1.4
2.0
3.3VIN to xVPP/VCORE
CL(xVCC) 150 F,
IO(xVPP/VCORE) = 0.375 A
2.5
3.1
5VIN to xVPP/VCORE
CL(xVPP/VCORE) = 10 F,
IO(xVPP/VCORE) = 0.05 A
1.7
2.1
Latch
↑ to xVPP/VCORE (1 8 V)
CL(xVPP/VCORE) = 0.1 F,
tpdon
0.15
1.4
Latch
↑ to xVPP/VCORE (1.8 V)
CL(xVPP/VCORE)
0.1
F,
IO(xVPP/VCORE) = 0 A
tpdoff
2.5
8.6
Latch
↑ to xVPP/VCORE (3 3 V)
CL(xVPP/VCORE) = 0.1 F,
tpdon
0.05
0.5
Latch
↑ to xVPP/VCORE (3.3 V)
CL(xVPP/VCORE)
0.1
F,
IO(xVPP/VCORE) = 0 A
tpdoff
0.5
2.5
t
Propagation delay(2)
Latch
↑ to xVPP/VCORE (5 V)
CL(xVPP/VCORE) = 0.1 F,
tpdon
0.02
0.3
ms
tpd Propagation delay(2)
Latch
↑ to xVPP/VCORE (5 V)
CL(xVPP/VCORE)
0.1
F,
IO(xVPP/VCORE) = 0 A
tpdoff
0.10
0.3
ms
Latch
↑ to xVCC (5 V)
CL(xVCC) = 0.1 F,
tpdon
0.15
0.85
Latch
↑ to xVCC (5 V)
CL(xVCC)
0.1
F,
IO(xVCC) = 0 A
tpdoff
1.3
3.7
Latch
↑ to xVCC (3 3 V)
CL(xVCC) = 0.1 F,
tpdon
0.15
1.0
Latch
↑ to xVCC (3.3 V)
CL(xVCC)
0.1
F,
IO(xVCC) = 0 A
tpdoff
1.7
5.3
Latch
↑ to xVPP/VCORE (1 8 V)
CL(xVPP/VCORE) = 150 F,
tpdon
0.35
1.9
Latch
↑ to xVPP/VCORE (1.8 V)
CL(xVPP/VCORE)
150
F,
IO(xVPP/VCORE) = 0.375 A
tpdoff
2.4
8.5
Latch
↑ to xVPP/VCORE (3 3 V)
CL(xVPP/VCORE) = 150 F,
tpdon
0.2
0.75
Latch
↑ to xVPP/VCORE (3.3 V)
CL(xVPP/VCORE)
150
F,
IO(xVPP/VCORE) = 0.375 A
tpdoff
0.5
2.5
t
Propagation delay(2)
Latch
↑ to xVPP/VCORE (5 V)
CL(XVPP/VCORE) = 10 F,
tpdon
0.05
0.15
ms
tpd Propagation delay(2)
Latch
↑ to xVPP/VCORE (5 V)
CL(XVPP/VCORE)
10
F,
IO(xVPP/VCORE) = 0.05 A
tpdoff
0.15
0.35
ms
Latch
↑ to xVCC (5 V)
CL(XVCC) = 150 F,
tpdon
0.35
1.2
Latch
↑ to xVCC (5 V)
CL(XVCC) 150 F,
IO(xVCC) = 0.75 A
tpdoff
1.3
3.7
Latch
↑ to xVCC (3 3 V)
CL(XVCC) = 150 F,
tpdon
0.4
1.4
Latch
↑ to xVCC (3.3 V),
CL(XVCC) 150 F,
IO(xVCC) = 0.75 A
tpdoff
1.5
5.2
(1) Refer to Parameter Measurement Information, Figure 1.
(2) Specified by design, not tested in production
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