參數(shù)資料
型號： MAX1965
廠商： Maxim Integrated Products, Inc.
英文描述： Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
中文描述： 三/五路電源控制器，提供跟蹤/排序功能
文件頁數(shù)： 5/30頁
文件大小： 475K
代理商： MAX1965
M
Tracking/Sequencing Triple/Quintuple
Power-Supply Controllers
_______________________________________________________________________________________
5
Note 1:
Connect VL to IN for operation with V
IN
< 5V.
Note 2:
See
Output Voltage Selection
section.
Note 3:
The internal 5V linear regulator (VL) powers the thermal shutdown block. Shorting VL to GND disables thermal shutdown.
Note 4:
Specifications to -40
°
C are guaranteed by design, not production tested.
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 12V, ILIM = FB = GND, V
BST
- V
LX
= 5V,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
NEGATIVE ANALOG GAIN BLOCK
FB5 Regulation Voltage
V
B5
= V
OUT
- 2V, V
OUT
= 3.5V,
I
B5
= 1mA (source)
V
B5
= 0, I
B5
= 0.5mA to 5mA (source)
-25
+10
mV
FB5 to B5 Tr anscond uctance E or
POWER GOOD (POK)
OUT Trip Level (Preset Mode)
FB Trip Level (Adjustable Mode)
FB2, FB3, FB4 Trip Level
FB5 Trip Level
V
FB5
-30
mV
FB = GND, falling edge, 3% hysteresis (typ)
Falling edge, 3% hysteresis (typ)
Falling edge, 3% hysteresis (typ)
Rising edge, 35mV hysteresis (typ)
2.85
1.058
1.058
325
3.15
1.17
1.17
675
V
V
V
mV
Typical Operating Characteristics
(Circuit of Figure 1, V
IN
= 12V, V
OUT
= 3.3V, T
A
= +25
°
C, unless otherwise noted.)
50
0.01
10
1
0.1
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(PRESET MODE)
100
70
60
90
80
M
E
V
IN
= 6.5V
V
IN
= 8V
V
IN
= 12V
V
IN
= 18V
V
IN
= 24V
V
OUT
= 3.3V
3.27
3.29
3.28
3.31
3.30
3.32
3.33
0
1.0
LOAD CURRENT (A)
1.5
0.5
2.0
2.5
3.0
OUTPUT VOLTAGE vs. LOAD CURRENT
(PRESET MODE)
M
O
50
0.01
10
1
0.1
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(ADJUSTABLE MODE)
100
70
60
90
80
M
E
V
IN
= 6.5V
V
IN
= 8V
V
IN
= 12V
V
IN
= 18V
V
IN
= 24V
V
OUT
= +5.0V
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MAX1966ESA+ 功能描述:電壓模式 PWM 控制器 Voltage-Mode PWM Step-Down RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(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
MAX1966ESA+T 功能描述:電壓模式 PWM 控制器 Voltage-Mode PWM Step-Down RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(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
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