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MAX8809A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - K8 Rev F 2/3/4-Phase PWM Controllers - Maxim Integrated

भाग संख्या MAX8809A
समारोह K8 Rev F 2/3/4-Phase PWM Controllers
मैन्युफैक्चरर्स Maxim Integrated 
लोगो Maxim Integrated लोगो 
पूर्व दर्शन
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<?=MAX8809A?> डेटा पत्रक पीडीएफ

MAX8809A pdf
VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM
Controllers with Integrated Dual MOSFET Drivers
ABSOLUTE MAXIMUM RATINGS
REF, COMP, SS/OVP, OSC, NTC, VRTSET,
RS+, RS-, PWM_ to GND.......................-0.3V to (VCC + 0.3V)
CS_+, CS_-, VID_, BUF, EN, ILIM, SEL, VRREADY,
VRHOT, VCC to GND ............................................-0.3V to +6V
BST_ to PGND_ ......................................................-0.3V to +35V
LX_ to PGND_............................................................-1V to +28V
BST_ to VL_ ...............................................................-1V to +30V
DH_ to PGND_ .........................................-0.3V to (VBST_ + 0.3V)
DH_, BST_ to LX_ .....................................................-0.3V to +7V
VL_ to PGND_ ..........................................................-0.3V to +7V
DL_ to PGND_ ..........................................-0.3V to (VVL_ + 0.3V)
PGND_ to GND......................................................-0.3V to +0.3V
CS_+ to CS_-.........................................................-0.3V to +0.3V
DH_, DL_ Current ....................................................±200mARMS
VL_ to BST_ Diode Current...........................................50mARMS
Continuous Power Dissipation (TA = +70°C)
40-Pin Thin QFN 5mm x 5mm
(derate 35.7mW/°C above +70°C) ..........................2857.1mW
48-Pin Thin QFN 6mm x 6mm
(derate 37mW/°C above +70°C) ................................2963mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°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
(VVL_ = VBST_ = 6.5V, VCC = VEN = 5V, VILIM = 1.5V, VID_ = SEL = REF = BUF = unconnected, VCOMP = VRS+ = 1.0V, RVRREADY =
5kΩ pullup to 5V, RSS/OVP = 12kΩ to GND, RNTC = 10kΩ to GND, fSW = 300kHz, RVRTSET = 118kΩ to GND, VCS_+ = VCS_- = 1V,
PWM_ = unconnected, RVRHOT = 249Ω pullup to 1.05V, VGND = VPGND_ = VLX_ = VRS- = 0V, DL_ = DH_ = unconnected, TA = 0°C
to +85°C. Typical values are at TA = +25°C, unless otherwise noted.)
PARAMETER
VCC Operating Range
VCC UVLO Trip Level
VCC Shutdown Supply Current
VCC Standby Supply Current
VCC Operating Supply Current
Thermal Shutdown
INTERNAL REFERENCE (REF)
Output Voltage
Output Regulation (Sourcing)
Output Regulation (Sinking)
Reference UVLO Trip Level
BUF REFERENCE
BUF Regulation Voltage
BUF Output Regulation
SOFT-START
EN Startup Delay (TD1)
Soft-Start Period Range (TD2)
Soft-Start Tolerance
Intel Boot-Level Duration (TD3)
CONDITIONS
Rising
Falling
VCC < 3.75V
VEN = 0V
VRS+ - VRS- = 1.0V, no switching, VDAC = 1.0V (Note 1)
Temperature rising, hysteresis = 25°C (typ)
IREF = -100µA
VCC = 4.5V at IREF = -500µA to VCC = 5.5V at
IREF = -100µA
VCC = 4.5V at IREF = +100µA to VCC = 5.5V at
IREF = +500µA
Rising (100mV typ hysteresis)
IBUF = 0A
VCC = 4.5V at IBUF = +100µA to VCC = 5.5V at
IBUF = +500µA
From EN rising to VOUT rising
12kΩ < RSS/OVP < 90.9kΩ
RSS/OVP = 56kΩ
SEL = GND or SEL = VCC
MIN TYP MAX UNITS
4.5 5.5 V
4.0 4.25 4.5
3.7 4.0 4.3
V
0.35 mA
0.5 mA
13 mA
+160
°C
1.992 2.000 2.008
-0.05
+0.05
V
%
-0.2 +0.2
1.84
%
V
0.99
-0.25
1.0 1.01
+0.25
V
%
1.6
0.5
2.25
175
2.2
3.00
250
2.8
6.5
3.75
350
ms
ms
ms
µs
2 _______________________________________________________________________________________

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