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LM20146 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 5 Page - Texas Instruments

๋ถ€ํ’ˆ๋ช… LM20146
์ƒ์„ธ๋‚ด์šฉ  Adjustable Frequency Synchronous Buck Regulator
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LM20146 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 5 Page - Texas Instruments

 
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VOUT = 1.2V
VOUT = 1.5V
VOUT = 2.5V
L=SPM6530T-1R0M120
VOUT = 1.2V
VOUT = 1.5V
VOUT = 2.5V
VOUT = 3.3V
L=SPM6530T-1R0M120
LM20146
www.ti.com
SNVS563C โ€“ FEBRUARY 2008 โ€“ REVISED APRIL 2013
Typical Performance Characteristics
Unless otherwise specified: CIN = COUT = 100ยตF, L = 1.0ยตH (TDK SPM6530T-1R0M120), VIN = 5V, VOUT = 1.2V, RLOAD =
1.2
โ„ฆ, fSW = 500 kHz, TA = 25ยฐC for efficiency curves, loop gain plots and waveforms, and TJ = 25ยฐC for all others.
Efficiency
Efficiency
vs.
vs.
Load Current (VIN = 5V)
Load Current (VIN = 3.3V)
Figure 2.
Figure 3.
High-Side FET Resistance
Low-Side FET Resistance
vs.
vs.
Temperature (TJ)
Temperature (TJ)
Figure 4.
Figure 5.
Error Amplifier Gain
vs.
Frequency
Line Regulation
Figure 6.
Figure 7.
Copyright ยฉ 2008โ€“2013, Texas Instruments Incorporated
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