參數(shù)資料
型號： TPS2231MRGP-1R
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
封裝： PLASTIC, QFN-20
文件頁數(shù)： 35/38頁
文件大小： 1559K
代理商： TPS2231MRGP-1R
www.ti.com
SWITCHING CHARACTERISTICS
SLVS536I – JULY 2004 – REVISED NOVEMBER 2007
TJ = 25°C, VI(3.3VIN) = VI(AUXIN) = 3.3 V, VI(1.5VIN) = 1.5 V, VI(/SHDNx), VI(/STBYx) = 3.3 V, VI(/CPPEx) = VI(/CPUSBx) = 0 V,
VI(/SYSRST) = 3.3 V, OCx and RCLKENx and PERSTx are open, all voltage outputs unloaded (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 0.1 F, IO(3.3VOUT) = 0 A
0.1
3
AUXIN to AUXOUT
CL(AUXOUT) = 0.1 F, IO(AUXOUT) = 0 A
0.1
3
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 0.1 F, IO(1.5VOUT) = 0 A
0.1
3
tr
Output rise times
ms
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 100 F, RL = VI(3.3VIN)/1 A
0.1
6
AUXIN to AUXOUT
CL(AUXOUT) = 100 F, RL = VI(AUXIN)/0.250 A
0.1
6
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 100 F, RL = VI(1.5VIN)/0.500 A
0.1
6
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 0.1 F, IO(3.3VOUT) = 0 A
10
150
AUXIN to VAUXOUT
CL(AUXOUT) = 0.1 F, IO(AUXOUT) = 0 A
10
150
s
Output fall times
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 0.1 F, IO(1.5VOUT) = 0 A
10
150
when card removed
tf
(both CPUSB and
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 20 F, IO(3.3VOUT) = 0 A
2
30
CPPE de-asserted)
AUXIN to VAUXOUT
CL(AUXOUT) = 20 F, IO(AUXOUT) = 0 A
2
30
ms
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 20 F, IO(1.5VOUT) = 0 A
2
30
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 0.1 F, IO(3.3VOUT) = 0 A
10
150
AUXIN to VAUXOUT
CL(AUXOUT) = 0.1 F, IO(AUXOUT) = 0 A
10
150
s
Output fall times
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 0.1 F, IO(1.5VOUT) = 0 A
10
150
when SHDN
tf
asserted (card is
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 100 F, RL = VI(3.3VIN)/1 A
0.1
5
present)
AUXIN to VAUXOUT
CL(AUXOUT) = 100 F RL = VI(AUXIN)/0.250 A
0.1
5
ms
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 100 F, RL = VI(1.5VIN)/0.500 A
0.1
5
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 0.1 F, IO(3.3VOUT) = 0 A
0.1
1
AUXIN to VAUXOUT
CL(AUXOUT) = 0.1 F, IO(AUXOUT) = 0A
0.05
0.5
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 0.1 F, IO(1.5VOUT) = 0 A
0.1
1
Turn-on propagation
tpd(on)
ms
delay
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 100 F, RL = VI(3.3VIN)/1 A
0.1
1.5
AUXIN to VAUXOUT
CL(AUXOUT) = 100 F, RL = VI(AUXIN)/0.250 A
0.05
1
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 100 F, RL = VI(1.5VIN)/0.500 A
0.1
1.5
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 0.1 F, IO(3.3VOUT) = 0 A
0.1
1.5
AUXIN to VAUXOUT
CL(AUXOUT) = 0.1 F, IO(AUXOUT) = 0 A
0.05
0.5
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 0.1 F, IO(1.5VOUT) = 0 A
0.1
1.5
Turn-off propagation
tpd(off)
ms
delay
3.3VIN to 3.3VOUT
CL(3.3VOUT) = 100 F, RL = VI(3.3VIN)/1 A
0.1
1.5
AUXIN to VAUXOUT
CL(AUXOUT) = 100 F, RL = VI(AUXIN)/0.250 A
0.05
0.5
1.5VIN to 1.5VOUT
CL(1.5VOUT) = 100 F, RL = VI(1.5VIN)/0.500 A
0.1
1
6
Copyright 2004–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS2231 TPS2236
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