參數(shù)資料
型號(hào)： PTPS65910A1RSL
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)： 14/89頁
文件大?。?/td> 941K
代理商： PTPS65910A1RSL
PRODUCTPREVIEW
www.ti.com
SWCS046C – MARCH 2010 – REVISED JUNE 2010
VDIG1 AND VDIG2 LDO (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SEL = 11, IOUT = 0 to IOUTmax
–3%
1.8
+3%
SEL = 10 IOUT = 0 to IOUTmax, VIN = VINmin to 4 V
–3%
1.2
+3%
SEL = 01 IOUT = 0 to 100 mA/IOUTmax, VIN= VINmin
V
–3%
1.1
+3%
to 4 V
SEL = 00, IOUT = 0 to IOUTmax, VIN = VINmin to 4 V,
–3%
1
+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 = 1.8 V, VIN = 2.1 V, IOUT=IOUTmax, T =
250
mV
25°C
DC load regulation
On mode, IOUT = IOUTmax to 0
10
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
VDIG2 internal resistance
LDO off
600
Ω
Ground current
On mode, IOUT = 0, VCC6 = VBAT, VOUT = 1.8 V
52
On mode, IOUT = 0, VCC6 = 1.8 V, VOUT = 1.0 V
67
On mode, IOUT = IOUTmax, VCC6 = VBAT, VOUT =
1750
1.8 V
On mode, IOUT = IOUTmax, VCC6 = 1.8 V, VOUT =
A
1300
1.0 V
Low-power mode, VCC6 = VBAT, VOUT = 1.8 V
11
Low-power mode, VCC6 = 1.8 V, VOUT = 1.0 V
10
Off mode
1
Copyright 2010, Texas Instruments Incorporated
21
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