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| 型号： | TPS60500DGSRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.25 A SWITCHED CAPACITOR REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3.05 X 4.98 MM, GREEN, PLASTIC, MSOP-10 |
| 文件页数： | 8/24页 |
| 文件大小： | 743K |
| 代理商： | TPS60500DGSRG4 |
TPS60500, TPS60501
TPS60502, TPS60503
SLVS391B OCTOBER 2001 REVISED FEBRUARY 2002
16
www.ti.com
APPLICATION INFORMATION
power supply with dynamic voltage scaling (continued)
General requirements for the application:
D Output voltage1 (DSP core):
1.5 V
±0.08 V
D Output voltage 2 (DSP core):
1.1 V +0.1 V –0.05 V
D Input voltage:
3 V to 3.3 V
D Output current:
150 mA (10R load)
C1F
1
F
86
C1F C1F+
C2F
1
F
34
C2F C2F+
7
OUT
10
FB
Co
10
F
2
PG
R1
5
VIN
1
EN
GND
9
OFF/ON
Ci
2.2
F
TPS60500
Input
3.3 V
R2
R3
C(ff)
150 pF
R4
T1
BSS138
R5
330 k
C6
470 pF
1.5 V / 1.1 V
150 mA
DVS in
Figure 29. Dynamic Voltage Scaling Application
To keep current through the adjustment resistor network as low as possible, the resistors are calculated to:
R3
+
V
FB
V
out1*VFB
R2
Vout1 adjusted by R2 and R3
Vout1 = 1.1 V,
R2 = 180 k
,
Vref = 0.80 V,
→R3 = 470 k
Vout2 adjusted by R2 and Rx = R3||R4
Vout2 = 1.5 V,
→Rx = 206 k
Rx
+
V
FB
R2
V
out2 * VFB
→R4 = 360 k
R4 +
1
Rx *
1
R3
1
Rx
+ 1
R3
) 1
R4
(1)
(2)
(3)
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相关代理商/技术参数 |
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|---|---|
| TPS60500EVM-193 | 功能描述:电源管理IC开发工具 Eval Mod for Step- Down Charge Pump RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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