參數(shù)資料
型號： PTPS659104A1RSLR
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)： 13/89頁
文件大?。?/td> 941K
代理商： PTPS659104A1RSLR
PRODUCTPREVIEW
SWCS046C – MARCH 2010 – REVISED JUNE 2010
www.ti.com
VDIG1 AND VDIG2 LDO
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input voltage (VCC6) VIN
VOUT (VDIG1) = 1.2 V / 1.5 V @ 100 mA
1.7
5.5
VOUT (VDIG2) =1.2 V / 1.1 V / 1.0 V
2.1
5.5
VOUT(VDIG1) = 1.5 V and VOUT(VDIG1,VDIG2) =
2.7
5.5
V
1.8 V @ 200mA
VOUT(VDIG1) = 1.8 V and VOUT(VDIG1) = 1.8 V
3.2
5
VOUT(VDIG1) = 2.7 V
VDIG1
DC output voltage VOUT
ON and Low-power mode, VIN = VINmin to VINmax
SEL = 11, IOUT = 0 to IOUTmax
–3%
2.7
+3%
SEL = 10 IOUT = 0 to IOUTmax
–3%
1.8
+3%
V
SEL = 01 IOUT = 0 to 100 mA/IOUTmax
–3%
1.5
+3%
SEL = 00, IOUT = 0 to IOUTmax, VIN = VINmin to 4 V,
–3%
1.2
+3%
default BOOT[1:0] = 00 or 01
Rated output current IOUTmax
On mode
300
mA
Low-power mode
1
Load current limitation (short-circuit
On mode, VOUT = VOUTmin – 100 mV
350
600
mA
protection)
Dropout voltage VDO
ON mode, VDO = VIN – VOUT
VOUTtyp = 2.7 V, VIN = 2.8 V, IOUT = IOUTmax, T =
150
25°C
mV
VOUTtyp = 1.5 V, VIN = 1.7 V, IOUT = IOUTmax, T =
300
25°C
DC load regulation
On mode, IOUT = IOUTmax to 0
12
mV
DC line regulation
On mode, VIN = VINmin to VINmax @ IOUT = IOUTmax
1
mV
Transient load regulation
ON mode, VIN = 3.8 V
20
mV
IOUT = 0.1 × IOUTmax to 0.9 × IOUTmax in 5 s and
IOUT = 0.9 × IOUTmax to 0.1 × IOUTmax in 5 s
Transient line regulation
On mode, VIN = 2.7 + 0.5 V to 2.7 in 30 s,
0.5
mV
And VIN = 2.7 to 2.7 + 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
300
mA
VIN = VINDC + 100 mVpp tone, VINDC+= 3.8 V, IOUT =
Ripple rejection
IOUTmax/2
f = 217 Hz
70
dB
f = 50 kHz
40
VDIG1 internal resistance
LDO off
600
Ω
Ground current
On mode, IOUT = 0, VCC6 = VBAT, VOUT = 2.7 V
54
On mode, IOUT = 0, VCC6 = 1.8 V, VOUT = 1.2 V
67
On mode, IOUT = IOUTmax, VCC6 = VBAT, VOUT =
1870
2.7 V
On mode, IOUT = IOUTmax, VCC6 = 1.8 V, VOUT =
A
1300
1.2 V
Low-power mode, VCC6 = VBAT, VOUT = 2.7 V
13
Low-power mode, VCC6 = 1.8 V, VOUT = 1.2 V
10
Off mode
1
VDIG2
DC output voltage VOUT
On and low-power mode, VIN = VINmin to VINmax
20
Copyright 2010, Texas Instruments Incorporated
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