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參數(shù)資料
| 型號(hào)： | 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)： | 18/24頁 |
| 文件大小： | 465K |
| 代理商： | EKK8011 |
MAX5942A/MAX5942B
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
UVLO Bias Current
IUVLO
UVLO = 2.460V
-1.5
+1.5
A
UVLO Input Ground Sense
Threshold
VTH,G,UVLO (Note 8)
50
440
mV
UVLO Input Ground Sense Glitch
Rejection
UVLO = VEE
7s
Power Turn-Off Voltage,
Undervoltage Lockout Deglitch
Time
tOFF_DLY
VIN, VUVLO falling (Note 9)
0.32
ms
TA = +25°C
(Note 11)
0.6
1.1
Isolation Switch N-Channel
MOSFET On-Resistance
RON
Output current =
300mA, VGATE = 5.6V,
measured between
OUT and VEE
TA = +85°C
0.8
1.5
Isolation Switch N-Channel
MOSFET Off-Threshold Voltage
VGSTH
OUT = GND, VGATE - VEE, output current
< 1A
0.5
V
GATE Pulldown Switch Resistance
RG
Power-off mode, VIN = 12V, UVLO = VEE
38
80
GATE Charging Current
IG
VGATE = 2V
5
10
15
A
GATE High Voltage
VGATE
IGATE = 1A
5.58
5.76
5.93
V
VOUT - VEE, |VOUT - VEE| decreasing,
VGATE = 5.75V
1.15
1.23
1.31
V
PGOOD, PGOOD Assertion
VOUT Threshold
VOUTEN
Hysteresis
70
mV
(GATE - VEE) increasing, OUT = VEE
4.62
4.76
4.91
V
PGOOD, PGOOD Assertion
VGATE Threshold
VGSEN
Hysteresis
80
mV
PGOOD Output Low Voltage
VOLDCDC
ISINK = 2mA (Note 10)
0.4
V
PGOOD Output Low Voltage
ISINK = 2mA, OUT
≤ (GND - 5V) (Note 10)
0.2
V
PGOOD Leakage Current
GATE = high, GND - VOUT = 67V (Note 10)
1
A
PGOOD Leakage Current
GATE = VEE, PGOOD - VEE = 67V (Note 10)
1
A
ELECTRICAL CHARACTERISTICS (continued)
(VIN = (GND - VEE) = 48V, GATE = PGOOD = PGOOD = OPEN, V- tied to OUT, V+ tied to GND, UVLO = VEE, TA = TMIN to TMAX,
unless otherwise noted. Typical values are at TA = +25
°C. All voltages are referenced to VEE, unless otherwise noted.) (Note 1)
ELECTRICAL CHARACTERISTICS (PWM Controller)
(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
SUPPLY CURRENT
IV+(NS)
VDD = 0V, V+ = 67V, driver not switching
0.8
1.6
V+ Supply Current
IV+(S)
V+ = 67V, VDD = 0V, VFB = 4V, driver
switching
1.6
3.2
mA
V+ Supply Current After Startup
V+ = 67V, VDD = 13V, VFB = 4V
14
A
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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| EKK-LM3S1968 | 制造商:Texas Instruments 功能描述:LM3S1968 MCU Eval Kit w/ Keil RealView M |
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