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MAX8791B डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Single-Phase Synchronous MOSFET Driver - Maxim Integrated Products

भाग संख्या MAX8791B
समारोह Single-Phase Synchronous MOSFET Driver
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
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<?=MAX8791B?> डेटा पत्रक पीडीएफ

MAX8791B pdf
Single-Phase, Synchronous MOSFET Drivers
ABSOLUTE MAXIMUM RATINGS
VDD to GND...............…………………….………….. -0.3V to +6V
SKIP to GND..................………………………………-0.3V to +6V
Continuous Power Dissipation (TA = +70°C)
8-Pin 3mm x 3mm TQFN
PWM to GND ................……………………………….-0.3V to +6V
(derate 23.8mW/°C above +70°C) .............................1904mW
DL to GND ..................................................-0.3V to (VDD + 0.3V)
BST to GND ............................................................-0.3V to +36V
Operating Temperature Range .........................-40°C to +105°C
Junction Temperature ......................................................+150°C
DH to LX ....................................................-0.3V to (VBST + 0.3V)
BST to VDD .............................................................-0.3V to +30V
BST to LX ................…………………………………...-0.3V to +6V
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VDD = VSKIP = 5V, TA = -40°C to +105°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
Input Voltage Range
VDD
VDD Undervoltage
Lockout Threshold
Rising edge, PWM disabled below this level
VUVLO(VDD) Falling edge, PWM disabled below this level
PWM = open; after the shutdown hold time has expired
Quiescent Supply
Current (VDD)
IDD
SKIP = GND, PWM = GND,
LX = GND (after zero crossing)
SKIP = GND or VDD, PWM = VDD, VBST = 5V
DRIVERS
PWM Pulse Width
DL Propagation Delay
tON(MIN)
tOFF(MIN)
tPWM-DL
Minimum on-time
Minimum off-time
PWM high to DL low
DH Propagation Delay
tPWM-DH PWM low to DH low
DL-to-DH Dead Time
tDL-DH DL falling to DH rising
TA = 0°C to +85°C
TA = -40°C to +105°C
DH-to-DL Dead Time
tDH-DL DH falling to DL rising
TA = 0°C to +85°C
TA = -40°C to +105°C
DL Transition Time
tF_DL
tR_DL
Falling, 3.0nF load
Rising, 3.0nF load
DH Transition Time
DH Driver On-Resistance
tF_DH
tR_DH
RON(DH)
Falling, 3.0nF load
Rising, 3.0nF load
BST-LX forced to 5V
DH, high state (pullup)
DH, low state (pulldown)
DL Driver On-Resistance
RON(DL)
DL, high state (pullup)
DL, low state (pulldown)
DH Driver Source Current IDH_SOURCE DH forced to 2.5V, BST - LX forced to 5V
DH Driver Sink Current
IDH_SINK DH forced to 2.5V, BST - LX forced to 5V
DL Driver Source Current IDL_SOURCE DL forced to 2.5V
DL Driver Sink Current
Zero-Crossing Threshold
IDL_SINK
VZX
DL forced to 2.5V
GND - LX, SKIP = GND
Boost On-Resistance
RON(BST) VDD = 5V, DH = LX = GND (pulldown state), IBST = 10mA
MIN
4.20
3.0
15
15
15
15
TYP
3.7
3.5
0.08
0.25
0.6
50
300
10
14
30
30
12
14
8
10
0.9
0.7
0.7
0.5
2.2
2.7
2.7
8
3
5
MAX UNITS
5.50 V
V
4.0
0.2
0.5 mA
1.5
ns
ns
ns
ns
ns
ns
ns
2.5
2.3
1.8
1.2
A
A
A
A
mV
12
2 _______________________________________________________________________________________

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डाउनलोड[ MAX8791B Datasheet.PDF ]


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