参数资料
型号: TPS65073TRSLRQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封装: 6 X 6 MM, 0.4 MM PITCH, PLASTIC, QFN-48
文件页数: 78/90页
文件大小: 1375K
代理商: TPS65073TRSLRQ1
SLVSAP7 – JANUARY 2011
www.ti.com
VLDO1 and VLDO2 LOW DROPOUT REGULATORS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VINLDO
Input voltage range for LDO1, LDO2
1.8
6.3(1)
V
VLDO1
LDO1 output voltage range
1.0
3.3
V
VLDO2
LDO2 output voltage range
Voltage options available see register description
0.725
3.3
V
IO
Output current for LDO1
200
mA
For TPS65072
1.2
VLDO1
LDO1 default output voltage
V
For TPS65070, TPS65073, TPS650731, TPS650732
1.8
For TPS65070
1.2
VLDO2
LDO2 default output voltage
For TPS65072
1.2
V
For TPS65073, TPS650731, TPS650732
1.8
IO
Output current for LDO2
200
mA
ISC
LDO1 short circuit current limit
VLDO1 = GND
400
mA
ISC
LDO2 short circuit current limit
VLDO2 = GND
400
mA
Minimum voltage drop at LDO1
IO = 100 mA, VINLDO = 3.3 V
150
mV
Minimum voltage drop at LDO2
IO = 100 mA, VINLDO = 3.3 V
150
mV
ILDO1 = 100 mA; ILDO2 = 100 mA;
Output voltage accuracy for LDO1, LDO2
–1%
1.5%
Vin
≥ Vout + 200 mV
VINLDO1,2 = VLDO1,2 + 0.5 V (min. 2.8 V) to 6.5 V,
Line regulation for LDO1, LDO2
–1%
1%
ILDO1 = 100 mA; ILDO2 = 100 mA
Load regulation for LDO1, LDO2
IO = 1 mA to 200 mA
–1%
1%
Load regulation for LDO1, LDO2
IO < 1 mA ; Vo < 1V
–2.5%
2.5%
RDIS
Internal discharge resistor at VLDO1, VLDO2
400
tRamp
VOUT ramp up time
Time to ramp from 5% to 95% of VOUT
250
ms
(1)
6.3 V or VSYS whichever is less
8
Copyright 2011, Texas Instruments Incorporated
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