MAX5904 查看數據表（PDF） - Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
MAX5904 Datasheet PDF : 24 Pages
| |||
Low-Voltage, Dual Hot-Swap Controllers/Power
Sequencers
ELECTRICAL CHARACTERISTICS
(VIN_ = +1V to +13.2V provided at least one supply is higher than +2.7V, VON = +2.7V, TA = -40°C to +85°C, unless otherwise noted.
Typical values are at VIN1 = +5V, VIN2 = +3.3V, and TA = +25°C.) (Note 1)
PARAMETER
POWER SUPPLIES
IN_ Input Voltage Range (Note 2)
Supply Current
CURRENT CONTROL
Slow-Comparator Threshold
(VIN - VSENSE) (Note 3)
Slow-Comparator Response Time
(Note 4)
Fast-Comparator Threshold
Fast-Comparator Response Time
SENSE Input Bias Current
MOSFET DRIVER
Startup Period
(Note 5)
SYMBOL
CONDITIONS
VIN_
IIN
Other VIN = +2.7V
IIN1 + IIN2
VSC,TH
tSCD
VSU,TH
VFC,TH
tFCD
IB SEN
MAX5904/MAX5905
TA = +25°C
TA = -40°C to +85°C
LIM = GND
MAX5906–MAX5909
RLIM = 300kΩ
1mV overdrive
50mV overdrive
VIN_ - VSENSE_; during startup
VIN_ - VSENSE_; normal operation
10mV overdrive, from overload condition
VSEN_ = VIN_
tSTART
RTIM = 100kΩ
RTIM = 4kΩ (minimum value)
TIM floating for MAX5906–MAX5909
fixed for MAX5904/MAX5905
MIN TYP MAX UNITS
1.0
1.2
13.2
V
2.9
mA
22.5 25
27.5
20.5
27.5
mV
22.5
25
27.5
80
100 125
3
ms
110
µs
2 x VSC, TH
mV
4 x VSC, TH
260
ns
0.03
6
µA
7.1 10.8 15.5
0.31 0.45 0.58
ms
3.9
9
16.0
Charging, VGATE = +5V, VIN = +10V
(Note 5)
80
100
130
µA
Average Gate Current
IGATE
Weak discharge, during startup when current
limit is active or when 0.4V < VON < 0.8V
100
µA
Gate-Drive Voltage
ON COMPARATOR
Fast Pulldown ON Threshold
Channel 1 ON Threshold
Channel 2 ON Threshold
ON Propagation Delay
Strong discharge, triggered by a fault or
when VON < 0.4V
3
mA
VDRIVE
VGATE_ - VIN_, IGATE_ < 1µA, VIN ≥ 3V
VGATE_ - VIN_, IGATE_ < 1µA, 2.7V ≤ VIN ≤ 3V
4.8 5.4
3.6
5.8
5.8
V
Low to high
VONFP,TH
Hysteresis
Low to high
VON1,TH Hysteresis
Low to high
VON2,TH
Hysteresis
tON 10mV overdrive
0.375 0.4 0.425
V
25
mV
0.79 0.825 0.85
V
25
mV
1.93 2.025 2.07
V
25
mV
50
µs
4 _______________________________________________________________________________________
Share Link: 