參數(shù)資料
型號: TPS60122PWPRG4
廠商: Texas Instruments, Inc.
英文描述: REGULATED 3.3 V, 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS
中文描述: 穩(wěn)壓3.3伏,200毫安高效率電荷泵DC / DC轉(zhuǎn)換器
文件頁數(shù): 20/27頁
文件大?。?/td> 561K
代理商: TPS60122PWPRG4
TPS60120, TPS60121, TPS60122, TPS60123, TPS60124, TPS60125
REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP
DC/DC CONVERTERS
SLVS257B – NOVEMBER 1999 – REVISED AUGUST 2000
20
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
application proposals
paralleling of two TPS6012x to deliver 400-mA total output current
Two TPS6012x devices can be connected in parallel to yield higher load currents. The circuit of Figure 29 can
deliver up to 400 mA at an output voltage of 3.3 V. The devices can share the output capacitors, but each one
requires its own transfer capacitors and input capacitor. If both a TPS60120 and a TPS60121 are used, it is
possible to monitor the battery voltage with the TPS60120 using the low-battery comparator function and to
supervise the output voltage with the TPS60121 using the power-good comparator. Make the layout of the
charge pumps as similar as possible, and position the output capacitor the same distance from both devices.
IN
IN
LBI
C1+
C1–
ENABLE
PGND GND
OUT
OUT
FB
LBO
C2+
C2–
CO
47
μ
F
Ci
10
μ
F
Output
3.3 V, 400 mA
C2
2.2
μ
F
C1
2.2
μ
F
R1
357 k
R2
732 k
Input
1.8 V to 3.6 V
Off/On
IN
IN
NC
C1+
C1–
ENABLE
PGND GND
OUT
OUT
FB
PG
C2+
C2–
C2
2.2
μ
F
C1
2.2
μ
F
Ci
10
μ
F
R3
1 M
Low Battery
Warning
Power-Good
Signal
R4
1 M
TPS60120
TPS60121
Figure 29. Paralleling of Two TPS6012x Charge Pumps
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS60123 制造商:TI 制造商全稱:Texas Instruments 功能描述:REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS
TPS60123PWP 功能描述:電荷泵 Reg 3.3V Hi-Eff Chrg Pump DC/DC Converter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
TPS60123PWPG4 功能描述:電荷泵 Reg 3.3V Hi-Eff Chrg Pump DC/DC Converter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
TPS60123PWPR 功能描述:電荷泵 Reg 3.3V Hi-Eff Chrg Pump DC/DC Converter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
TPS60123PWPRG4 功能描述:電荷泵 Reg 3.3V Hi-Eff Chrg Pump DC/DC Converter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube