參數(shù)資料
型號: MAX1974EUB
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Smallest 1A, 1.4MHz Step-Down Regulators
中文描述: 2.4 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO10
封裝: MICRO, SOP-10
文件頁數(shù): 5/15頁
文件大?。?/td> 331K
代理商: MAX1974EUB
M
Smallest 1A, 1.4MHz Step-Down Regulators
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS
(V
IN
= V
CTL_
= 3.3V, FB = OUT,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SS to GND Resistance
in Shutdown
5
40
100
FBSEL
Low Input Threshold
0.3
V
High Input Threshold
V
IN
-
0.4
V
Input Bias Current
COMP
FBSEL = GND or IN, V
IN
= 5.5V
-20
+20
μA
Transconductance
from FB to COMP
40
80
μS
COMP to GND Resistance
in Shutdown
5
100
Clamp Voltage Low
Clamp Voltage High
LX
On-Resistance High
On-Resistance Low
Current-Sense Transresistance
Positive Current-Limit Threshold
Negative Current-Limit Threshold
0.6
1.3
1.2
2.2
V
V
V
IN
= 3.3V
V
IN
= 3.3V
0.46
0.32
0.425
1.85
-0.35
20
V/A
A
A
0.275
1.10
-1.20
V
LX
= V
IN
= 5.5V
LX = GND, V
IN
= 5.5V
LX Shutdown Leakage Current
-20
1.2
μA
Switching Frequency
CTL1, CTL2 (MAX1973), ON (MAX1974)
Logic-Low Input Threshold
Logic-High Input Threshold
Logic Input Current
POK (MAX1974 only)
Output Low Voltage
1.6
MHz
0.6
V
V
μA
1.6
1
-1
POK sinking 1mA
100
95
92
mV
Rising
Falling
90
88
Output Valid Threshold
for POK
Percentage of nominal
regulation voltage
%
Note 2:
Specifications to -40
°
C are guaranteed by design and not production tested.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1974EUB+ 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1A 1.4MHz Step-Down Regulator 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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1974EUB+T 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1A 1.4MHz Step-Down Regulator 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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1974EUB-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(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MAX1974EUB-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(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1974EUB-TG05 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(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14