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| 型号： | TPS659107A1RSL |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC48 |
| 封装： | 6 X 6 MM, 1 MM HEIGHT, 0.40 MM PITCH, PLASTIC, VQFN-48 |
| 文件页数： | 13/93页 |
| 文件大小： | 1014K |
| 代理商： | TPS659107A1RSL |
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SWCS046I
– MARCH 2010 – REVISED JULY 2011
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 and
VOUT (VDIG2) =1.2 V / 1.1 V / 1.0 V
1.7
5.5
VOUT(VDIG1) = 1.5 V and VOUT(VDIG1,VDIG2) =
2.1
5.5
V
1.8 V @ 200mA
VOUT(VDIG1) = 1.8 V and VOUT(VDIG1) = 1.8 V
2.7
5.5
VOUT(VDIG1) = 2.7 V
3.2
5
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
25
mV
DC line regulation
On mode, VIN = VINmin to VINmax @ IOUT = IOUTmax
3
mV
Transient load regulation
ON mode, VIN = 3.8 V
10
mV
IOUT = 20 mA to 180 mA in 5s and
IOUT = 180 mA to 20 mA in 5 s
Transient line regulation
On mode, VIN = 2.7 + 0.5 V to 2.7 in 30 s,
2
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
400
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
2010–2011, Texas Instruments Incorporated
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