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| 型号： | TPS60110PWPRG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 17/26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
APPLICATION INFORMATION
applications proposals
paralleling of two TPS60110 to deliver 600 mA
The TPS60110 can be paralleled to yield higher load currents. The circuit of Figure 28 can deliver 600 mA at
an output voltage of 5 V. It uses two TPS60110 devices in parallel. The devices can share the output capacitors,
but each one requires its own transfer capacitors and input capacitor. For best performance, the paralleled
devices should operate in the same mode (pulse-skip or constant frequency).
INPUT
2.7 V to
5.4 V 10 μ F
+
SKIP COM CLK
IN OUT
IN OUT
TPS60110 FB
15 μ F
+
SKIP COM CLK
IN OUT
IN OUT
TPS60110 FB
+
OUTPUT
5V
300 mA
68 μ F
2.2 μ F
C1+
C1?
C2+
C2?
2.2 μ F
2.2 μ F
C1+
C1?
C2+
C2?
2.2 μ F
ENABLE
SYNC
ENABLE
SYNC
OFF/ON
PGND GND
PGND GND
Figure 28. Paralleling of Two TPS60110
TPS60110 with LC output filter for ultra low ripple
For applications where extremely low output ripple is required, a small LC filter is recommended. This is shown
in Figure 29. The addition of a small inductor and filter capacitor will reduce the output ripple well below what
could be achieved with capacitors alone. The corner frequency of 500 kHz was chosen above the 300 kHz
switching frequency to avoid loop stability issues in case the feedback is taken from the output of the LC filter.
Leaving the feedback (FB) connection point before the LC filter, the filter capacitance value can be increased
to achieve even higher ripple attenuation without affecting stability margin.
0.1 μ H
OUTPUT
INPUT
2.7 V to 5.4 V
SKIP COM CLK
IN OUT
IN OUT
+
CO = 33 μ F
+
1 μ F
5 V 300 mA
TPS60110 FB
CIN
15 μ F
+
C1F
2.2 μ F
C1+
C1?
C2+
C2?
C2F
2.2 μ F
ENABLE
SYNC
OFF/ON
PGND GND
Figure 29. TPS60110 With LC Filter for Ultra Low Output Ripple Applications
POST OFFICE BOX 655303
? DALLAS, TEXAS 75265
17
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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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