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參數資料
| 型號： | TCV7101F(TE12L,Q) |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 720 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 5 X 5 MM, 1.27 MM PITCH, PLASTIC, HSON-8 |
| 文件頁數： | 13/17頁 |
| 文件大?。?/td> | 461K |
| 代理商： | TCV7101F(TE12L,Q) |
TCV7101F
2010-03-18
5
Application Circuit Examples
Figure 1 shows a typical application circuit using a low-ESR electrolytic or ceramic capacitor for COUT.
When Using the TCV7101F with an External Low-Side MOSFET:
When Using the TCV7101F with an External Schottky Barrier Diode:
Figure 1 TCV7101F Typical Application Circuit Examples
Component values (reference value@ VIN = 5 V, VOUT = 3.3 V, Ta = 25°C)
Q1: Low-side FET
(N-channel MOSFET: TPC6007-H or TPC6012 (T5LS,F) manufactured by Toshiba Corporation)
SBD: Low-side Schottky barrier diode (Schottky barrier diode: CMS05 manufactured by Toshiba Corporation)
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.)
CC: Decoupling capacitor = 1 μF
(ceramic capacitor: GRM155B30J105K manufactured by Murata Manufacturing Co., Ltd.)
RFB1: Output voltage setting resistor = 7.5 kΩ
RFB2: Output voltage setting resistor = 2.4 kΩ
RS: Snubber resistor = 10 Ω
CS: Snubber capacitor = 220 pF
(ceramic capacitor: GRM1552C1H221J manufactured by Murata Manufacturing Co., Ltd.)
L: Inductor = 2.2
μH ( RLF7030T-2R2M5R4 manufactured by TDK-EPC Corporation)
CSS is a capacitor for adjusting the soft-start time.
VIN1
VIN2
EN
SS
TCV7101F
GND
LX
CSS
CC
VIN
EN
GND
CIN
VFB
LSG
COUT
VOUT
GND
L
SBD
RFB1
RFB2
RS
CS
VIN1
VIN2
EN
SS
TCV7101F
GND
LX
CSS
CC
VIN
EN
GND
CIN
VFB
LSG
COUT
VOUT
GND
L
Q1
RFB1
RFB2
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