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MIC24052 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 MIC24052
기능 High-Efficiency Buck Regulator
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MIC24052 데이터시트 및 MIC24052 PDF

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MIC24052 pdf, 반도체, 판매, 대치품
MIC24052
TABLE 1-1: ELECTRICAL CHARACTERISTICS
Electrical Characteristics: PVIN = VIN = VEN = 12V, VBST – VSW = 5V; TA = 25°C, unless noted. Bold values
indicate –40°C TJ +125°C. (Note 1).
Parameters
Sym. Min. Typ. Max. Units
Conditions
Power Supply Input
Input Voltage Range
Quiescent Supply Current
Shutdown Supply Current
VDD Supply Voltage
VDD Output Voltage
VDD UVLO Threshold
VDD UVLO Hysteresis
Dropout Voltage (VIN – VDD)
DC/DC Controller
Output Voltage Adjust Range
Reference
Feedback Reference Voltage
Load Regulation
Line Regulation
FB Bias Current
Enable Control
EN Logic Level High
EN Logic Level Low
EN Bias Current
Oscillator
Switching Frequency (Note 2)
Maximum Duty Cycle (Note 3)
Minimum Duty Cycle
Minimum Off-Time
VIN, PVIN 4.5
19
V
— — 450 750 µA VFB = 1.5V (non-switching)
— — 5 10 µA
VEN = 0V
4.8 5 5.4 V VIN = 7V to 19V, IDD = 40 mA
3.7 4.2 4.5
V
VDD Rising
— — 400 — mV
— — 380 600 mV
IDD = 25 mA
VOUT
0.8
5.5
V
0.792 0.8 0.808
—V
0°C TJ 85°C (±1.0%)
0.788 0.8 0.812
–40°C TJ 125°C (±1.5%)
— 0.25 —
%
IOUT = 1A to 6A (Continuous
Mode)
— 0.25 —
%
— — 50 500 nA
VIN = 4.5V to 19V
VFB = 0.8V
1.8
V
— — — 0.6 V
— — 6 30 µA
VEN = 12V
450 600 750 kHz
— — 82 — %
— — 0 —%
— 300 —
ns
VOUT = 2.5V
VFB = 0V
VFB = 1.0V
Soft-Start
Soft-Start Time
— — 3 — ms
Short-Circuit Protection
Peak Inductor Current-Limit
Threshold
— 7.5 11 17 A
VFB = 0.8V, TJ = 25°C
Peak Inductor Current-Limit
Threshold
— 6.6 11 17 A
VFB = 0.8V, TJ = 125°C
Short-Circuit Current
— —8—A
VFB = 0V
Note 1: Specification for packaged product only.
2: Measured in test mode.
3: The maximum duty-cycle is limited by the fixed mandatory off-time (tOFF) of typically 300 ns.
DS20005659A-page 4
2016 Microchip Technology Inc.

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MIC24052 전자부품, 판매, 대치품
MIC24052
2.0 TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
FIGURE 2-1:
VIN Operating Supply
Current vs. Input Voltage.
FIGURE 2-4:
Voltage.
Feedback Voltage vs. Input
FIGURE 2-2:
Input Voltage.
VIN Shutdown Current vs.
FIGURE 2-5:
Voltage.
Total Regulation vs. Input
FIGURE 2-3:
Input Voltage.
VDD Output Voltage vs.
FIGURE 2-6:
Input Voltage.
Output Current Limit vs.
2016 Microchip Technology Inc.
DS20005659A-page 7

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