參數(shù)資料
型號(hào): MAX1809
廠商: Maxim Integrated Products, Inc.
英文描述: 3A, 1MHz, DDR Memory Termination Supply
中文描述: 3A、1MHz、DDR存儲(chǔ)器端接電源
文件頁數(shù): 5/17頁
文件大小: 803K
代理商: MAX1809
M
3A, 1MHz, DDR Memory Termination Supply
_______________________________________________________________________________________
5
LOAD-TRANSIENT RESPONSE
M
0A
0V
50mV/div
I
5A/div
V(LX)
5V/div
V
OUT
(AC-COUPLED)
10
μ
s/div
V
EXTREF
= 1.25V, V
IN
= 3.3V, I
OUT
= -2A to +2A to -2A
R
DROOP
12m
LINE-TRANSIENT RESPONSE
M
0V
50mV/div
V
2V/div
V
OUT
(AC-COUPLED)
20
μ
s/div
I
OUT
= 2A, V
IN
= 5V to 3.3V to 5V
SWITCHING WAVEFORMS (SOURCING)
M
0V
50mV/div
V(LX)
5V/div
V
OUT
(AC-COUPLED)
400ns/div
I
OUT
= 2A, V
IN
= 5V
I(LX)
2A/div
0A
SWITCHING WAVEFORMS (SINKING)
M
0V
50mV/div
V(LX)
5V/div
V
OUT
(AC-COUPLED)
400ns/div
I
OUT
= -2A, V
IN
= 5V
I(LX)
2A/div
0A
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
OUT
= 1.25V, for V
IN
= 5V: L = 1μH, R
TOFF
= 130k
; for V
IN
= 3.3V: L = 0.68μH, R
TOFF
= 73.2k
.)
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