參數(shù)資料
型號： PTPS659105A1RSL
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 6 X 6 MM, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48
文件頁數(shù)： 19/89頁
文件大小： 941K
代理商： PTPS659105A1RSL
PRODUCTPREVIEW
SWCS046C – MARCH 2010 – REVISED JUNE 2010
www.ti.com
VDAC AND VPLL LDO
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOUT(VDAC) = 1.8 V and VOUT(VPLL) = 1.8 V / 1.1 V
Input voltage (VCC5) VIN
2.7
5.5
/ 1.0 V
V
VOUT(VDAC) = 2.6 V and VOUT(VPLL) = 2.5 V
3.0
5.5
VOUT(VDAC) = 2.8 V / 2.85 V
3.2
5.5
VDAC
DC Output voltage VOUT
On and low-power mode, VIN = VINmin to VINmax
SEL = 11, IOUT = 0 to IOUTmax
–3%
2.85
+3%
SEL = 10, IOUT = 0 to IOUTmax
–3%
2.8
+3%
V
SEL = 01, IOUT = 0 to IOUTmax
–3%
2.6
+3%
SEL = 00, IOUT = 0 to IOUTmax, default BOOT[1:0] =
–3%
1.8
+3%
00 or 01
Rated output current IOUTmax
On mode
150
mA
Low-power mode
1
Load current limitation
On mode, VOUT = VOUTmin – 100 mV
350
500
mA
(short-circuit protection)
Dropout Voltage VDO
On mode, VOUTtyp = 2.8 V, VDO = VIN – VOUT,
150
mV
VIN = 2.9 V, IOUT = IOUTmax, T = 25°C
DC load regulation
On mode, VOUT = VOUTmin – 100 mV
10
mV
DC line regulation
On mode, VOUT = 1.8 V, IOUT = IOUTmax
1
mV
On mode, VIN = 3.8 V, IOUT = 0.1 × IOUTmax to 0.9 ×
Transient load regulation
12
mV
IOUTmax in 5 s
And IOUT = 0.9 × IOUTmax to 0.1 × IOUTmax in 5 s
On mode, IOUT = IOUTmax, VIN = VINmin + 0.5 V to
Transient line regulation
0.5
mV
VINmin in 30 s
And VIN = VINmin to VINmin + 0.5 V in 30 s, IOUT =
IOUTmax/2
Turn-on time
IOUT = 0, @ VOUT = 0.1 V up to VOUTmin
100
s
Turn-on Inrush current
600
mA
VIN = VINDC + 100 mVpp tone, VINDC+ = 3.8 V, IOUT =
Ripple Rejection
IOUTmax/2
f = 217 Hz
70
dB
f = 50 kHz
40
VDAC internal resistance
LDO off
500
k
Ω
Ground current
On mode, IOUT = 0
60
On mode, IOUT = IOUTmax
1600
A
Low-power mode
12
Off mode
1
VPLL
DC output voltage VOUT
On and low-power mode, VIN = VINmin to VINmax
SEL = 11, IOUT = 0 to IOUTmax
–3%
2.5
+3%
SEL = 10, IOUT = 0 to IOUTmax, default BOOT[1:0 = 00
–3%
1.8
+3%
or 01
V
SEL = 01, IOUT = 0 to IOUTmax
–3%
1.1
+3%
SEL = 00, IOUT = 0 to IOUTmax
–3%
1.0
+3%
Rated output current IOUTmax
On mode
50
mA
Low-power mode
1
Load current limitation
On mode, VOUT = VOUTmin – 100 mV
200
400
mA
(short-circuit protection)
Dropout voltage VDO
On mode, VOUTtyp = 2.5 V, VDO = VIN – VOUT,
100
mV
26
Copyright 2010, Texas Instruments Incorporated
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