參數(shù)資料
型號: MAX1972
廠商: Maxim Integrated Products, Inc.
英文描述: Dual, 180∑ Out-of-Phase, 1.4MHz, 750mA Step- Down Regulator with POR and RSI/PFO
中文描述: 雙路、180°異相、1.4MHz、750mA、降壓型調(diào)節(jié)器,帶有POR和RSI/PFO
文件頁數(shù): 8/20頁
文件大小: 371K
代理商: MAX1972
M
Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-
Down Regulator with POR and RSI/PFO
8
_______________________________________________________________________________________
I
OUT1
V
OUT1
40
μ
s/div
M
V
IN
= 5V
V
OUT1
= 3.3V, 100mV/div
I
OUT1
= 300mA TO 600mA
R
C1
= 82k
, C
C1
= 680pF
LOAD TRANSIENT RESPONSE
MAX1970/MAX1972
Typical Operating Characteristics (continued)
(T
A
= +25
°
C, unless otherwise noted.)
I
OUT2
V
OUT2
40
μ
s/div
M
V
IN
= 5V
V
OUT2
= 1.5V, 100mV/div
I
OUT2
= 300mA TO 600mA
R
C2
= 39k
, C
C2
= 680pF
LOAD TRANSIENT RESPONSE
MAX1970/MAX1972
V
LX1
I
L2
V
LX2
I
L1
200ns/div
MAX1970TOC11
V
IN
= 5V
V
OUT1
= 1.8V, V
OUT2
= 2.5V
I
OUT1
= 500mA, I
OUT2
= 500mA
SWITCHING WAVEFORMS
MAX1970/MAX1972
5V/div
200mA/div
5V/div
200mA/div
14
0
0.01
0.1
1
10
MAXIMUM OUTPUT TRANSIENT DURATION
vs. POR COMPARATOR OVERDRIVE
2
M
MAXIMUM OUTPUT TRANSIENT DURATION (
μ
s)
P
6
4
8
10
12
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參數(shù)描述
MAX1972EEE 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1972EEE+ 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual 180 Out 1.4MHz 750mA Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1972EEE+T 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual 180 Out 1.4MHz 750mA Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1972EEE-G05 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
MAX1972EEE-T 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5