參數(shù)資料
型號(hào): MAX1971
廠商: Maxim Integrated Products, Inc.
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: Fixed-Point Digital Signal Processor 532-FCBGA
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(yè)數(shù): 6/20頁(yè)
文件大小: 371K
代理商: MAX1971
M
Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-
Down Regulator with POR and RSI/PFO
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
CC
= V
EN
= 5V, V
FB1
= V
FB2
= 1.15V, R
POR
= 100k
to IN, R
PFO
= 100k
to IN, RSI = 0, C
VCC
= 0.1μF, C
REF
= 0.1μF,
FBSEL1 = unconnected, FBSEL2 = unconnected,
T
A
= -40
°
C to +85
°
C.
) (Note 2)
PARAMETER
PFO
(MAX1970 and MAX1972 Only)
CONDITIONS
MIN
TYP
MAX
UNITS
V
CC
rising
V
CC
falling
4.12
PFO Trip Threshold
IN = V
CC
3.86
-1
V
PFO Output Current, High
PFO Output Voltage, Low
EN AND RSI
(MAX1971 Only)
PFO = IN
I
PFO
= 1mA, V
IN
= 4.3V
1
μA
V
0.05
V
IL
V
IH
0.4
Logic Input Thresholds
IN = 2.6V to 5.5V
1.6
20
1
1
V
RSI Input Resistance
Internal pullup resistor to IN
5
-1
-1
k
V
IL
V
IH
EN Logic Input Current
Logic Input at 0 or
5.5V, V
IN
= 5.5V
μA
Note 1:
Refer to the
Output Voltage Selection
section.
Note 2:
Specifications to -40
°
C are guaranteed by design and not production tested.
相關(guān)PDF資料
PDF描述
MAX1972 Dual, 180∑ Out-of-Phase, 1.4MHz, 750mA Step- Down Regulator with POR and RSI/PFO
MAX1972EEE Fixed-Point Digital Signal Processor 532-FCBGA
MAX1973 Smallest 1A, 1.4MHz Step-Down Regulators
MAX1973EUB Smallest 1A, 1.4MHz Step-Down Regulators
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