參數(shù)資料
型號(hào): MAX1809EEE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: 3A, 1MHz, DDR Memory Termination Supply
中文描述: 4.7 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: QSOP-16
文件頁(yè)數(shù): 4/17頁(yè)
文件大?。?/td> 803K
代理商: MAX1809EEE
M
3A, 1MHz, DDR Memory Termination Supply
4
_______________________________________________________________________________________
50
65
60
55
70
75
80
85
90
95
100
EFFICIENCY vs. OUTPUT CURRENT
(SOURCING)
M
OUTPUT CURRENT (A)
E
0
3
2
1
R
DROOP
= 0
V
IN
= 5V,
V
OUT
= 2.5V
V
IN
= 3.3V,
V
OUT
= 1.25V
V
IN
= 5V,
V
OUT
= 1.25V
EFFICIENCY vs. OUTPUT CURRENT
(SINKING)
M
OUTPUT CURRENT (A)
E
0
3
2
1
50
60
55
75
70
65
90
85
80
95
R
DROOP
= 0
V
IN
= 5V,
V
OUT
= 1.25V
V
IN
= 5V,
V
OUT
= 2.5V
V
IN
= 3.3V,
V
OUT
= 1.25V
-2.2
-2.6
-3.0
-1.8
-1.4
-0.6
-1.0
-0.2
-3
-2
-1
0
1
2
3
NORMALIZED OUTPUT ERROR
vs. OUTPUT CURRENT
M
OUTPUT CURRENT (A)
N
V
IN
= 3.3V
V
IN
= 5V
4
0
12
8
20
16
24
0
2
3
1
4
5
6
NO-LOAD
SUPPLY CURRENT vs. SUPPLY VOLTAGE
M
V
IN
(V)
N
I
C
0
1.0
0.5
2.0
1.5
3.0
2.5
3.5
4.5
4.0
5.0
0
100 150 200
50
250 300 350
R
TOFF
(k
)
450
400
500
OFF-TIME vs. R
TOFF
M
t
O
μ
s
0
400
200
800
600
1000
1200
SWITCHING FREQUENCY
vs. OUTPUT CURRENT
M
OUTPUT CURRENT (A)
F
-3
-1
-2
0
1
2
3
V
IN
= 5V
V
IN
= 3.3V
STARTUP AND SHUTDOWN
M
0A
0V
0V
0V
1A/div
V
OUT
1V/div
V
5V/div
I
IN
1ms/div
V
SS
2V/div
V
IN
= 3.3V, R
OUT
= 0.5
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
= 0
Typical Operating Characteristics
(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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1809EEE+ 功能描述:電壓模式 PWM 控制器 3A 1MHz DDR Memory Termination Supply RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1809EEE+T 功能描述:電壓模式 PWM 控制器 3A 1MHz DDR Memory Termination Supply RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1809EEE-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1809EGI 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1809EGI+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube