參數(shù)資料
型號(hào)： MAX1864-MAX1865
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字信號(hào)處理
英文描述： Fixed-Point Digital Signal Processor 384-FC/CSP
中文描述： 的xDSL /電纜調(diào)制解調(diào)器的三/五級(jí)輸出電源
文件頁(yè)數(shù)： 3/25頁(yè)
文件大?。?/td> 384K
代理商： MAX1864-MAX1865
M
xDSL/Cable Modem Triple/Quintuple Output
Power Supplies
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
160
80
77
TYP
200
100
82
1024
V
REF
/64
MAX
240
120
90
UNITS
MAX186_T
MAX186_U
Switching Frequency
f
OSC
kHz
Maximum Duty Cycle
Soft-Start Period
Soft-Start Steps
DH Output Low Voltage
DH Output High Voltage
DL Output Low Voltage
DL Output High Voltage
DH, DL On-Resistance
Output Drive Current
LX, BST Leakage Current
POSITIVE ANALOG GAIN BLOCKS
D
MAX
t
SOFT
%
1/f
OSC
V
V
V
V
V
A
μA
I
SINK
= 10mA, measured from DH to LX
I
SOURCE
= 10mA, measured from BST to DH
I
SINK
= 10mA, measured from DL to GND
I
SOURCE
= 10mA, measured from DL to GND
0.1
0.1
0.1
V
L
- 0.1
3
10
Sourcing or sinking, V
DH
or V
DL
= VL/2
V
BST
= V
LX
= V
IN
= 28V, V
FB
= 1.5V
0.5
0.03
20
FB2, FB3, FB4 Regulation
Voltage
V
B2
= V
B3
= V
B4
= 5V,
I
B2
= I
B3
= I
B4
= 1mA (sink)
1.226
1.240
1.257
V
FB2, FB3, FB4 to B_
Transconductance
V
FB
_
V
B2
= V
B3
= V
B4
= 5V, I
B2
= I
B3
= I
B4
=
0.5mA to 5mA (sink)
-1
-1.75
%
Feedback Input Leakage
Current
I
FB
_
V
FB2
= V
FB3
= V
FB4
= 1.5V
0.01
100
nA
V
B2
= V
B3
= V
B4
= 2.5V
V
B2
= V
B3
= V
B4
= 4.0V
10
23
26
Driver Sink Current
I
B
_
V
FB2
= V
FB3
=
V
FB4
= 1.188V
mA
NEGATIVE ANALOG GAIN BLOCK
FB5 Regulation Voltage
V
B5
= V
OUT
- 2V, V
OUT
= 3.5V, I
B5
= 1mA
(source)
-20
-5
+10
mV
FB5 to B5 Transconductance
V
FB5
V
B5
= 0, I
B5
= 0.5mA to 5mA (source)
-13
-20
mV
Feedback Input Leakage
Current
I
FB5
V
FB5
= -100mV
0.01
100
nA
Driver Source Current
I
B5
V
FB5
= 200mV, V
B5
= V
OUT
- 2.0V, V
OUT
=
3.5V
10
25
mA
POWER GOOD (POK)
OUT Trip Level (Preset Mode)
FB Trip Level (Adjustable Mode)
FB2, FB3, FB4 Trip Level
FB5 Trip Level
POK Output Low Level
POK Output High Leakage
THERMAL PROTECTION (Note 3)
Thermal Shutdown
Thermal Shutdown Hysteresis
FB = GND, falling edge, 1% hysteresis (typ)
Falling edge, 1% hysteresis (typ)
Falling edge, 1% hysteresis (typ)
Rising edge, 35mV hysteresis (typ)
I
SINK
= 1mA
V
POK
= 5V
2.88
1.070
1.070
368
3
3.12
1.159
1.159
632
0.4
1
V
V
V
1.114
1.114
500
mV
V
μA
Rising temperature
160
15
°
C
°
C
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 12V, ILIM = FB = GND, V
BST
- V
LX
= 5V,
T
A
= 0
°
C to +85
°
C
. Typical values are at T
A
= +25
°
C, unless otherwise noted.)
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參數(shù)描述
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MAX1864UEEE 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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