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參數(shù)資料
| 型號： | EKK8011 |
| 英文描述： | Low-Voltage, Single Supply, SPST, High Performance Analog Switches; Temperature Range: -40°C to 85°C; Package: 8-SOIC T&R |
| 中文描述： | 的USB PS / 2鍵盤控制器 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大小： | 465K |
| 代理商： | EKK8011 |
MAX5942A/MAX5942B
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (PWM Controller) (continued)
(All voltages referenced to V-. VDD = 13V, a 10F capacitor connects VCC to V-, VCS = V-, V+ = 48V, 0.1F capacitor connected to
SS_SHDN, NDRV = open circuit, VFB = 3V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
IVDD(NS)
VDD = 36V, driver not switching
0.9
1.6
VDD Supply Current
IVDD(S)
VDD = 36V, driver switching, VOPTO = 4V
1.9
3.2
mA
V+ Shutdown Current
VSS_SHDN = 0V, V+ = 67V
180
290
A
VDD Shutdown Current
VSS_SHDN = 0V
4
20
A
PREREGULATORS/STARTUP
V+ Input Voltage
18
67
V
VDD Supply Voltage
13
36
V
INTERNAL REGULATORS
Powered from V+, ICC = 7.5mA, VDD = 0V
7.5
9.8
12
VCC Output Voltage
Powered from VDD, ICC = 7.5mA
9.0
10.0
11.0
V
VCC Undervoltage Lockout
VCC_UVLO
VCC falling
6.6
V
OUTPUT DRIVER
Peak Source Current
VCC = 11V (externally forced)
570
mA
Peak Sink Current
VCC = 11V (externally forced)
1000
mA
NDRV High-Side Driver
Resistance
ROH
VCC = 11V, externally forced, NDRV
sourcing 50mA
412
NDRV Low-Side Driver
Resistance
ROL
VCC = 11V, externally forced, NDRV sinking
50mA
1.6
4
ERROR AMPLIFIER
FB Input Resistance
RIN
50
k
FB Input Bias Current
IFB
VFB = VSS_SHDN
±1
A
Error Amplifier Gain (Inverting)
AVCL
-20
V/V
Closed-Loop 3dB Bandwidth
200
kHz
FB Input Voltage Range
23
V
SLOPE COMPENSATION
Slope Compensation
VSCOMP
MAX5942A
26
mV/s
THERMAL SHUTDOWN
Thermal Shutdown Temperature
+150
°C
Thermal Hysteresis
25
°C
CURRENT LIMIT
CS Threshold Voltage
VILIM
FB = 4V
419
465
510
mV
CS Input Bias Current
0V
≤ VCS ≤ 2V, FB = 4V
-1
+1
A
Current-Limit Comparator
Propagation Delay
25mV overdrive on CS, FB = V-
180
ns
CS Blanking Time
FB = GND, only PWM comparator is blanked
70
ns
OSCILLATOR
Clock Frequency Range
FB = V-
235
275
314
kHz
MAX5942A, FB = V-
75
85
Max Duty Cycle
MAX5942B, FB = V-
44
50
%
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| EKK8301 | Low-Voltage, Single Supply, SPST, High Performance Analog Switches; Temperature Range: -40°C to 85°C; Package: 8-SOIC T&R |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EKK8011AB | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:USB & PS/2 Keyboard Encoder |
| EKK8301 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PS/2 keyboard controller |
| EKK-EVALBOT | 功能描述:開發(fā)板和工具包 - ARM Keil Stellaris Eval Robot RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V |
| EKK-LM3S1968 | 功能描述:開發(fā)板和工具包 - ARM Stellaris Eval Kit w/ ARM/Keil Tools RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V |
| EKK-LM3S1968 | 制造商:Texas Instruments 功能描述:LM3S1968 MCU Eval Kit w/ Keil RealView M |
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