参数资料
型号: MAX5042ATN+T
厂商: Maxim Integrated Products
文件页数: 5/22页
文件大小: 0K
描述: IC PWR W/MOSFET HS 56-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 电源
电源电压: 20 V ~ 76 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 56-WFQFN 裸露焊盘
供应商设备封装: 56-TQFN-EP(8x8)
包装: 带卷 (TR)
Two-Switch Power ICs with Integrated
Power MOSFETs and Hot-Swap Controller
ELECTRICAL CHARACTERISTICS (continued)
(V POSINPWM = 20V to 76V, V REG15 = 18V, C REG15 = 4.7μF, C REG9 = 1μF, C REG5 = 1μF, R RCOSC = 24k ? , C RCOSC = 100pF, C BST =
0.22μF, R DRVDEL = 10k ? , C DRVDEL = 0.22μF, V CSS = V CSP = V CSN = V RAMP = V PWMNEG = V NEGIN = 0, T A = T MIN to T MAX , unless
otherwise noted. Typical values are at V POSINPWM = 48V, T A = +25°C, unless otherwise noted. All voltages are referred to PWMNEG,
unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
High-to-Low Latency
Driver delay until FET V GS reaches
0.1 x V DRVIN
45
ns
CURRENT-SENSE COMPARATOR
Current-Limit-Comparator
Threshold Voltage
Current-Limit-Comparator
Propagation Delay
10mV overdrive
140
156
40
172
mV
ns
CURRENT-SENSE AMPLIFIER
Current Amplifier Gain
Input Voltage Offset
V CSN = 0, V CSP = 0 to 0.35V
V CN = V CSP = -0.3V to +0.3V
9.75
185
10
200
10.25
230
V/V
mV
Input Common-Mode Range
Input Differential-Mode Range
Inferred from current amplifier gain test
-0.3
+0.3
0.35
V
V
CSP Input Bias Current
CSN Input Bias Current
Settling Time
3dB Bandwidth
V CSP = -0.3V to +0.3V, V CSN = 0
V CSP = -0.3V to +0.3V, V CSN = 0
V CSN = 0, V CSP steps from 0 to 0.2V, 10%
settling time, C L = 20pF
-160
-160
70
7
-40
-30
μA
μA
ns
MHz
BOOST VOLTAGE CIRCUIT
QB R DS(ON)
Driver Output Delay
One-Shot Pulse Width
Sinking 100mA
10
200
300
20
?
ns
ns
THERMAL SHUTDOWN
Shutdown Temperature
Thermal Hysteresis
Temperature rising
150
14.5
°C
°C
PWM CONVERTER UNDERVOLTAGE LOCKOUT (UVLO)
Preset UVLO Threshold
Measured at POSINPWM rising
28
31
34
V
UVLO Threshold Hysteresis
3
V
UVLO Resistance
Looking into UVLO
30
75
k ?
UVLO Trip Point
Measured at UVLO rising
1.15
1.27
1.39
V
UVLO Hysteresis
+127
mV
Preset DEN Threshold
DEN Threshold Hysteresis
MAX5043 only, measured at POSINPWM
rising
MAX5043 only
27
3.1
34
V
V
DEN Startup Delay
DEN Turn-Off Delay
DEN Trip Point
MAX5043 only
MAX5043 only
MAX5043 only, rising with respect to
PWMNEG
3.5
0.2
1.11
12
0.7
27.0
1.5
1.35
ms
ms
V
_______________________________________________________________________________________
5
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