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參數(shù)資料
| 型號(hào)： | TPS65023QRHARQ1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PQCC40 |
| 封裝： | 6 X 6 MM, GREEN, PLASTIC, MO-220VJJD-2, VQFN-40 |
| 文件頁數(shù)： | 23/54頁 |
| 文件大?。?/td> | 1546K |
| 代理商： | TPS65023QRHARQ1 |
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SLVS927C – MARCH 2009 – REVISED MAY 2010
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
Input voltage range step-down converters
VCC
2.5
6
V
(VINDCDC1, VINDCDC2, VINDCDC3)
Output voltage range for VDCDC1 step-down converter(1)
0.6
VINDCDC1
VO
Output voltage range for VDCDC2 step-down converter(1)
0.6
VINDCDC2
V
Output voltage range for VDCDC3 step-down converter(1)
0.6
VINDCDC3
VI
Input voltage range for LDOs (VINLDO1, VINLDO2)
1.5
6.5
V
VO
Output voltage range for LDOs (VLDO1, VLDO2)
1
VINLDO1-2
V
IO(DCDC1)
Output current at L1
1500
mA
Inductor at L1(2)
1.5
2.2
mH
CI(DCDC1)
Input capacitor at VINDCDC1 (2)
10
mF
CO(DCDC1)
Output capacitor at VDCDC1 (2)
10
22
mF
IO(DCDC2)
Output current at L2
1200
mA
Inductor at L2 (2)
1.5
2.2
mH
CI(DCDC2)
Input capacitor at VINDCDC2 (2)
10
mF
CO(DCDC2)
Output capacitor at VDCDC2 (2)
10
22
mF
IO(DCDC3)
Output current at L3
1000
mA
Inductor at L3 (2)
1.5
2.2
mH
CI(DCDC3)
Input capacitor at VINDCDC3(2)
10
mF
CO(DCDC3)
Output capacitor at VDCDC3 (2)
10
22
mF
CI(VCC)
Input capacitor at VCC (2)
1
mF
Ci(VINLDO)
Input capacitor at VINLDO (2)
1
mF
CO(VLDO1-2)
Output capacitor at VLDO1, VLDO2 (2)
2.2
mF
IO(VLDO1-2)
Output current at VLDO1, VLDO2
200
mA
CO(VRTC)
Output capacitor at VRTC (2)
4.7
mF
TA
Operating ambient temperature
–40
125
°C
TJ
Operating junction temperature
–40
125
°C
Resistor from VINDCDC3, VINDCDC2, VINDCDC1 to VCC used for filtering(3)
1
10
(1)
When using an external resistor divider at DEFDCDC3, DEFDCDC2, DEFDCDC1
(2)
See Applications Information section for more information.
(3)
Up to 3 mA can flow into VCC when all three converters are running in PWM. This resistor causes the UVLO threshold to be shifted
accordingly.
Copyright 2009–2010, Texas Instruments Incorporated
3
Product Folder Link(s): TPS65023-Q1
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