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參數(shù)資料
| 型號： | TCV7100F(TE12L,Q) |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 4.2 A SWITCHING REGULATOR, 960 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 5 X 5 MM, 1.27 MM PITCH, PLASTIC, HSON-8 |
| 文件頁數(shù)： | 13/17頁 |
| 文件大小： | 394K |
| 代理商： | TCV7100F(TE12L,Q) |
TCV7100F
2008-06-10
5
Application Circuit Example
Figure 1 shows a typical application circuit using a low-ESR electrolytic or ceramic capacitor for COUT.
Figure 1 TCV7100F Application Circuit Example
Component values (reference value@ VIN = 5 V, VOUT = 3.3 V, Ta = 25°C)
CIN: Input filter capacitor = 10 μF
(ceramic capacitor: GRM21BB30J106K manufactured by Murata Manufacturing Co., Ltd.)
COUT: Output filter capacitor = 47 μF
(ceramic capacitor: GRM31CB30J476M manufactured by Murata Manufacturing Co., Ltd.)
RFB1: Output voltage setting resistor = 7.5 kΩ
RFB2: Output voltage setting resistor = 2.4 kΩ
L: Inductor 2.2
μH (RLF7030T-2R2M5R4 from TDK Corporation)
Examples of Component Values (For Reference Only)
Output Voltage Setting
VOUT
Inductance
L
Input Capacitance
CIN
Output Capacitance
COUT
Feedback Resistor
RFB1
Feedback Resistor
RFB2
1.2 V
2.2
μH
10
μF
68
μF
7.5 k
Ω
15 k
Ω
1.51 V
2.2
μH
10
μF
68
μF
16 k
Ω
18 k
Ω
1.8 V
2.2
μH
10
μF
68
μF
12 k
Ω
10 k
Ω
2.5 V
2.2
μH
10
μF
47
μF
5.1 k
Ω
2.4 k
Ω
3.3 V
2.2
μH
10
μF
47
μF
7.5 k
Ω
2.4 k
Ω
Component values need to be adjusted, depending on the TCV7100F’s I/O conditions and the board layout.
VIN1
VIN2
EN
SS
TCV7100F
SGND
PGND
CSS
CC
VIN
EN
GND
CIN
LX
VFB
L
RFB1
RFB2
COUT
VOUT
GND
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