Datasheet MIC4680 (Microchip) - 8
| 制造商 | Microchip |
| 描述 | 1A 200kHz SuperSwitcher Buck Regulator |
| 页数 / 页 | 15 / 8 — Micrel, Inc. MIC4680 Functional Diagrams. V IN. SHDN Internal. Regulator. … |
| 修订版 | 11-05-2015 |
| 文件格式/大小 | PDF / 906 Kb |
| 文件语言 | 英语 |
Micrel, Inc. MIC4680 Functional Diagrams. V IN. SHDN Internal. Regulator. 200kHz. Oscillator Thermal. Shutdown Current
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Micrel, Inc. MIC4680 Functional Diagrams
V IN
IN
SHDN Internal
Regulator
200kHz
Oscillator Thermal
Shutdown Current
Limit Comparator VOUT SW
Driver
Reset 1A
Switch COUT
FB Error
Amp 1.23V
Bandgap
Reference MIC4680-x.x
GND Fixed Regulator
VIN
IN
SHDN Internal
Regulator
200kHz
Oscillator Thermal
Shutdown ⎛ R1 ⎞
VOUT = VREF ⎜
+ 1⎟
⎝ R2 ⎠
⎛V
⎞
R1 = R2 ⎜ OUT -1⎟
⎝ VREF
⎠ Current
Limit VREF = 1.23V
Comparator VOUT SW
Driver
Reset 1A
Switch COUT
R1
FB Error
Amp 1.23V
Bandgap
Reference R2 MIC4680 [adj.] Adjustable Regulator March 2008 8 M9999-032808
V IN
IN
SHDN Internal
Regulator
200kHz
Oscillator Thermal
Shutdown Current
Limit Comparator VOUT SW
Driver
Reset 1A
Switch COUT
FB Error
Amp 1.23V
Bandgap
Reference MIC4680-x.x
GND Fixed Regulator
VIN
IN
SHDN Internal
Regulator
200kHz
Oscillator Thermal
Shutdown ⎛ R1 ⎞
VOUT = VREF ⎜
+ 1⎟
⎝ R2 ⎠
⎛V
⎞
R1 = R2 ⎜ OUT -1⎟
⎝ VREF
⎠ Current
Limit VREF = 1.23V
Comparator VOUT SW
Driver
Reset 1A
Switch COUT
R1
FB Error
Amp 1.23V
Bandgap
Reference R2 MIC4680 [adj.] Adjustable Regulator March 2008 8 M9999-032808