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| 型号： | TPS60110PWPRG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 12/26页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SWITCHED CAP 20HTSSOP |
| 标准包装： | 2,000 |
| 类型： | 升压（升压），切换电容（充电泵） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 2.7 V ~ 5.4 V |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 300mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-HTSSOP |
| 配用： | 296-10946-ND - EVAL MOD FOR TPS60110 |
TPS60110
REGULATED 5 V 300 mA LOW NOISE
CHARGE PUMP DC/DC CONVERTER
SLVS215C ? JUNE 1999 ? REVISED AUGUST 2008
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 (C xF ) in one-half of the period. During the other half of the period (transfer phase), C xF is placed in
series with the input to transfer its charge to C O . 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 (C F ) in one half of the
period. During the other half of the period (transfer phase), C F is placed in series with the input to transfer its
charge to C O . In single-ended operating mode only one transfer capacitor (C F = C 1F + C 2F ) is required, resulting
in less board space.
INPUT
2.7 V to 5.4 V
CIN
15 μ F
+
SKIP COM CLK
IN OUT
IN OUT
TPS60110 FB
C1+ C2+
+
OUTPUT
5 V 300 mA
CO = 33 μ F
C1?
ENABLE
C2?
SYNC
OFF/ON
PGND GND
CF = 4.7 μ F
Figure 25. Typical Operating Circuit TPS60110 in Single-Ended Operating Mode
Table 2. Tradeoffs Between Operating Modes
Output ripple amplitude
Smallest board space
FEATURE
PUSH-PULL MODE
(COM = Low)
Small amplitude
SINGLE-ENDED MODE
(COM = High)
Large amplitude
X
12
POST OFFICE BOX 655303
? DALLAS, TEXAS 75265
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS60111 | 制造商:TI 制造商全称:Texas Instruments 功能描述:REGULATED 5-V 150-mA LOW-NOISE CHARGE PUMP DC/DC CONVERTER |
| TPS60111PWP | 功能描述:电荷泵 Reg 5V Lo-Ns Charge Pump DC-DC Cnvtr RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| TPS60111PWPG4 | 功能描述:电荷泵 Reg 5V Lo-Ns Charge Pump DC-DC Cnvtr RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| TPS60111PWPR | 功能描述:电荷泵 Reg 5V Lo-Ns Charge Pump DC-DC Cnvtr RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| TPS60111PWPRG4 | 功能描述:电荷泵 Reg 5V Lo-Ns Charge Pump DC-DC Cnvtr RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
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