參數(shù)資料
型號(hào)： TPS60110PWP
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 0.3 A SWITCHED CAPACITOR REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO20
封裝： GREEN, PLASTIC, HTSSOP-20
文件頁(yè)數(shù)： 4/25頁(yè)
文件大?。?/td> 678K
代理商： TPS60110PWP
TPS60110
REGULATED 5V 300mA LOW NOISE
CHARGE PUMP DC/DC CONVERTER
SLVS215C JUNE 1999 REVISED AUGUST 2008
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
push-pull operating mode
In push-pull operating mode (COM = low), the two single-ended charge pumps operate with 180
° phase shift.
The oscillator signal has a 50% duty cycle. Each single-ended charge pump transfers charge into its transfer
capacitor (CxF) in one-half of the period. During the other half of the period (transfer phase), CxF is placed in
series with the input to transfer its charge to CO. While one single-ended charge pump is in the charge phase,
the other one is in the transfer phase. This operation specifies an almost constant output current which ensures
a low output ripple. COM is a logic input and should not remain floating. The typical operating circuit of the
TPS60110 in push-pull mode is shown in Figure 1 and Figure 24.
single-ended operating mode
When COM is high, the device runs in single-ended operating mode. The two single-ended charge pumps
operate in parallel without phase shift. They transfer charge into the transfer capacitor (CF) in one half of the
period. During the other half of the period (transfer phase), CF is placed in series with the input to transfer its
charge to CO. In single-ended operating mode only one transfer capacitor (CF = C1F + C2F) is required, resulting
in less board space.
IN
C1+
C1
ENABLE
OUT
FB
C2+
C2
SYNC
SKIP COM CLK
PGND GND
INPUT
2.7 V to 5.4 V
CIN
15
F
OUTPUT
5 V 300 mA
CO = 33 F
CF = 4.7 F
+
OFF/ON
TPS60110
+
Figure 25. Typical Operating Circuit TPS60110 in Single-Ended Operating Mode
Table 2. Tradeoffs Between Operating Modes
FEATURE
PUSH-PULL MODE
(COM = Low)
SINGLE-ENDED MODE
(COM = High)
Output ripple amplitude
Small amplitude
Large amplitude
Smallest board space
X
相關(guān)PDF資料
PDF描述
TPS60111PWPR 0.15 A SWITCHED CAPACITOR REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO20
TPS60123PWPR 0.2 A SWITCHED CAPACITOR REGULATOR, 450 kHz SWITCHING FREQ-MAX, PDSO20
TPS60121PWPRG4 0.2 A SWITCHED CAPACITOR REGULATOR, 450 kHz SWITCHING FREQ-MAX, PDSO20
TPS60122PWPR 0.2 A SWITCHED CAPACITOR REGULATOR, 450 kHz SWITCHING FREQ-MAX, PDSO20
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS60110PWPG4 功能描述:電荷泵 Reg 5V Lo-Ns Charge Pump DC-DC Cnvtr 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
TPS60110PWPR 功能描述:電荷泵 Reg 5V Lo-Ns Charge Pump DC-DC Cnvtr 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
TPS60110PWPRG4 功能描述:電荷泵 Reg 5V Lo-Ns Charge Pump DC-DC Cnvtr 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
TPS60111 制造商:TI 制造商全稱:Texas Instruments 功能描述:REGULATED 5-V 150-mA LOW-NOISE CHARGE PUMP DC/DC CONVERTER
TPS60111PWP 功能描述:電荷泵 Reg 5V Lo-Ns Charge Pump DC-DC Cnvtr 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
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