MAX1809 데이터 시트보기 (PDF) - Maxim Integrated
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MAX1809 Datasheet PDF : 17 Pages
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3A, 1MHz, DDR Memory Termination Supply
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VOUT = 1.25V, for VIN = 5V: L = 1µH, RTOFF = 130kΩ; for VIN = 3.3V: L = 0.68µH, RTOFF = 73.2kΩ.)
LOAD-TRANSIENT RESPONSE
LINE-TRANSIENT RESPONSE
RDROOP 12mΩ
VOUT
(AC-COUPLED)
50mV/div
VOUT
(AC-COUPLED)
50mV/div
VIN
2V/div
0V
V(LX)
5V/div
0A
IOUT
5A/div
10µs/div
VEXTREF = 1.25V, VIN = 3.3V, IOUT = -2A to +2A to -2A
0V
20µs/div
IOUT = 2A, VIN = 5V to 3.3V to 5V
SWITCHING WAVEFORMS (SOURCING)
0A
0V
400ns/div
IOUT = 2A, VIN = 5V
VOUT
(AC-COUPLED)
50mV/div
I(LX)
2A/div
V(LX)
5V/div
SWITCHING WAVEFORMS (SINKING)
0A
0V
400ns/div
IOUT = -2A, VIN = 5V
VOUT
(AC-COUPLED)
50mV/div
I(LX)
2A/div
V(LX)
5V/div
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