参数资料
型号: TPS2220BDBG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封装: GREEN, PLASTIC, SSOP-24
文件页数: 27/31页
文件大小: 774K
代理商: TPS2220BDBG4
www.ti.com
SWITCHING CHARACTERISTICS
TPS2220B
SLVS554 – JANUARY 2005
V
CC = 5 V, TA = 25°C, VI(3.3V) = 3.3 V, VI(5V) = 5 V, VI(12) = 12 V, all outputs unloaded (unless otherwise noted)
PARAMETER(1)
LOAD CONDITION
TEST CONDITIONS(2)
MIN
TYP
MAX
UNIT
VO(AVCC) = 5 V
0.9
CL(AVCC) = 0.1 F, CL(AVPP) = 0.1 F,
IO(AVCC) = 0 A, IO(AVPP) = 0 A
VO(AVPP) = 12 V
0.26
tr
Output rise times(3)
ms
VO(AVCC) = 5 V
1.1
CL(AVCC) = 150 F, CL(AVPP) = 10 F,
IO(AVCC) = 0.75 A, IO(AVPP) = 50 mA
VO(AVPP) = 12 V
0.6
VO(AVCC) = 5 V,
0.5
Discharge switches ON
CL(AVCC) = 0.1 F, CL(AVPP) = 0.1 F,
IO(AVCC) = 0 A, IO(AVPP) = 0 A
VO(AVPP) = 12 V,
0.2
tf
Output fall times (3)
ms
Discharge switches ON
VO(AVCC) = 5 V
2.35
CL(AVCC) = 150 F, CL(AVPP) = 10 F,
IO(AVCC) = 0.75 A, IO(AVPP) = 50 mA
VO(AVPP) = 12 V
3.9
tpdon
2
Latch
↑ to AVPP (12V)
tpdoff
0.62
tpdon
0.77
Latch
↑ to AVPP (5V)
tpdoff
0.51
tpdon
0.75
CL(AVCC) = 0.1 F, CL(AVPP) = 0.1 F,
Latch
↑ to AVPP (3.3V)
ms
IO(AVCC) = 0 A, IO(AVPP) = 0 A
tpdoff
0.52
tpdon
0.3
Latch
↑ to AVCC (5V)
tpdoff
2.5
tpdon
0.3
Latch
↑ to AVCC (3.3V)
tpdoff
2.8
Propagation delay
tpd
times(3)
tpdon
2.2
Latch
↑ to AVPP (12V)
tpdoff
0.8
tpdon
0.8
Latch
↑ to AVPP (5V)
tpdoff
0.6
tpdon
0.8
CL(AVCC) = 150 F, CL(AVPP) = 10 F,
Latch
↑ to AVPP (3.3V)
ms
IO(AVCC) = 0.75 A, IO(AVPP) = 50 mA
tpdoff
0.6
tpdon
0.6
Latch
↑ to AVCC (5V)
tpdoff
2.5
tpdon
0.5
Latch
↑ to AVCC (3.3V)
tpdoff
2.6
(1)
Refer to Parameter Measurement Information in Figure 1.
(2)
No card inserted, assumes a 0.1-F output capacitor (see Figure 1).
(3)
Specified by design; not tested in production.
5
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