參數(shù)資料
型號： MAX1964
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)： 3/30頁
文件大?。?/td> 475K
代理商： MAX1964
M
Tracking/Sequencing Triple/Quintuple
Power-Supply Controllers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS
(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.)
PARAMETER
SYMBOL
D
MAX
t
SOFT
CONDITIONS
MIN
77
TYP
82
1024
V
REF
/64
MAX
90
UNITS
%
1/f
OSC
V
Maximum Duty Cycle
Soft-Start Period
Soft-Start Step Size
FB Power-Up Sequence
Threshold
MAX1964, FB rising, B2 turns on
1.145
V
DH Output Low Voltage
DH Output High Voltage
DL Output Low Voltage
DL Output High Voltage
DH On-Resistance
I
SINK
= 10mA, measured from DH to LX
I
S OU RC E
= 10m A, m easur ed fr om BS T to D H
I
SINK
= 10mA, measured from DL to GND
I
S OU RC E
= 10m A, m easur ed fr om D L to GN D
High (DH to BST) and low (DH to LX)
High (DL to VL)
Low (DL to GND)
Sourcing or sinking, V
DH
or V
DL
= VL/2
V
BST
= V
LX
= V
IN
= 28V, V
FB
= 1.5V
40
mV
mV
mV
V
40
20
VL - 0.1
1.5
4.3
0.7
0.5
0.04
4
10
2
DL On-Resistance
Output Drive Current
LX, BST Leakage Current
POSITIVE ANALOG GAIN BLOCKS
A
μ
A
10
FB2, FB3, FB4 Regulation
Voltage
V
B2
= V
B3
= V
B4
= 5V,
I
B2
= I
B3
= I
B4
= 1mA (sink)
1.226
1.24
1.257
V
FB2 Power-Up Sequence
Threshold
MAX1964, FB2 rising, B3 turns on
1.145
V
FB2, FB3, FB4 to B_
Transconductance Error
V
FB
_
V
B2
= V
B3
= V
B4
= 5V, I
B2
= I
B3
= I
B4
=
0.5mA to 5mA (sink)
13
22
mV
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
21
24
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 Tr anscond uctance E or
Feedback Input Leakage Current
V
FB5
I
FB5
V
B5
= 0, I
B5
= 0.5mA to 5mA (source)
V
FB5
= -100mV
V
FB5
= 200mV, V
B5
= V
OUT
- 2.0V, V
OUT
=
3.5V
-13
0.01
-20
100
mV
nA
Driver Source Current
I
B5
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
FB = GND, falling edge, 3% hysteresis (typ)
Falling edge, 3% hysteresis (typ)
Falling edge, 3% hysteresis (typ)
Rising edge, 35mV hysteresis (typ)
I
SINK
= 1mA
V
POK
= 5V
2.88
1.070
1.070
368
3.0
1.114
1.114
530
3.12
1.159
1.159
632
0.4
1
V
V
V
mV
V
μ
A
相關PDF資料
PDF描述
MAX1965 Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
MAX1964TEEE Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
MAX1965TEEP Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
MAX1966 Low-Cost Voltage-Mode PWM Step-Down Controllers
MAX1967EUB Low-Cost Voltage-Mode PWM Step-Down Controllers
相關代理商/技術參數(shù)
參數(shù)描述
MAX1964TEEE 功能描述:電流和電力監(jiān)控器、調節(jié)器 RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1964TEEE+ 功能描述:電流和電力監(jiān)控器、調節(jié)器 Track/Seq Trpl/Wuint Power-Supply Ctlr RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1964TEEE+T 功能描述:電流和電力監(jiān)控器、調節(jié)器 Track/Seq Trpl/Wuint Power-Supply Ctlr RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1964TEEE-T 功能描述:電流和電力監(jiān)控器、調節(jié)器 RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1965TEEP 功能描述:電流和電力監(jiān)控器、調節(jié)器 RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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