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参数资料
| 型号： | TPS65058RGET |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.8 A DUAL SWITCHING CONTROLLER, 2475 kHz SWITCHING FREQ-MAX, PQCC32 |
| 封装： | 4 X 4 MM, GREEN, PLASTIC, VQFN-32 |
| 文件页数： | 20/26页 |
| 文件大小： | 1898K |
| 代理商： | TPS65058RGET |
RECOMMENDED OPERATING CONDITIONS
www.ti.com................................................................................................................................................... SLVS851A – MAY 2008 – REVISED SEPTEMBER 2008
MIN
NOM
MAX
UNIT
VINDCDC1/2
Input voltage range for step-down converters
2.5
6
V
VDCDC1
Output voltage range for VDCDC1 step-down converter
3.3
V
VDCDC2
Output voltage range for VDCDC2 step-down converter (DEF_DCDC2 = 1/0)
1.8/1.2
V
VINLDO1,
Input voltage range for LDOs
1.5
6.5
V
VINLDO2/3
VLDO1
Output voltage range for LDO1 (DEF_LDO = 1/0)
3.3/3.3
V
VLDO2
Output voltage range for LDO2 (DEF_LDO = 1/0)
1.8/1.2
V
VLDO3
Output voltage for LDO3 (DEF_LDO = 1/0)
1.8/1.3
V
IOUTDCDC1
Output current at L1
600
mA
L1
Inductor at L1(1)
1.5
2.2
H
CINDCDC1/2
Input capacitor at VINDCDC1/2
(1)
22
F
COUTDCDC1
Output capacitor at VDCDC1
(1)
10
22
F
IOUTDCDC2
Output current at L2
1000
mA
L2
Inductor at L2(1)
1.5
2.2
H
COUTDCDC2
Output capacitor at VDCDC2
(1)
10
22
F
CVCC
Input capacitor at VCC(1)
1
F
Cin1-2
Input capacitor at VINLDO1, VINLDO2/3 (1)
2.2
F
COUT1-2
Output capacitor at VLDO1-3 (1)
2.2
F
ILDO1
Output current at LDO1
400
mA
ILDO2
Output current at LDO2
230
mA
ILDO3
Output current at LDO3
200
mA
TA
Operating ambient temperature range
–40
85
°C
TJ
Operating junction temperature range
–40
125
°C
RCC
Resistor from battery voltage to VCC used for filtering
(2)
1
10
(1)
See the Application Information section of this data sheet for more details.
(2)
Up to 2 mA can flow into VCC when both converters are running in PWM, this resistor causes the UVLO threshold to be shifted
accordingly.
Copyright 2008, Texas Instruments Incorporated
3
Product Folder Link(s) :TPS65058
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