MAX8564 Просмотр технического описания (PDF) - Maxim Integrated
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MAX8564 Datasheet PDF : 15 Pages
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±1%, Ultra-Low Output Voltage, Dual and Triple
Linear n-FET Controllers
ABSOLUTE MAXIMUM RATINGS
VDD to GND ............................................................-0.3V to +14V
DRV1, DRV2, DRV3, EN1, EN2,
EN3 to GND............................................-0.3V to (VDD + 0.3V)
FB1, FB2, FB3, POK1, POK2, POK3 to GND ...........-0.3V to +6V
Continuous Power Dissipation (TA = +70°C)
10-Pin µMAX (derate 5.6mW/°C above +70°C) ........444.4mW
16-Pin QSOP (derate 8.3mW/°C above +70°C)........666.7mW
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
(VDD = VEN1 = VEN2 = VEN3 = 5V, VGND = 0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
GENERAL
VDD Voltage Range
VDD Undervoltage-Lockout Threshold
VDD Quiescent Current
VDD Shutdown Current
LDOs
FB_ Accuracy
FB_ Input Bias Current
DRV_ Soft-Start Charging Current
DRV_ Max Sourcing Current
DRV_ Max Sinking Current
DRV_ Max Voltage
FB_ Slow Short-Circuit Threshold
FB_ Fast Short-Circuit Threshold
Slow Short-Circuit Timer
FB_ to DRV_ Transconductance
LOGIC
EN_ Input Low Level
EN_ Input High Level
EN_ Input Leakage Current
CONDITIONS
MIN TYP MAX UNITS
4.5
13.2
V
Rising, 200mV hysteresis (typ)
3.56 3.76 4.00
V
VEN_ = VDD = 12V (MAX8563)
VEN_ = VDD = 12V (MAX8564/MAX8564A)
930 1600
µA
660 1200
EN1 = EN2 = EN3 = GND, VDD = 12V
25
µA
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = +25°C
TA = +85°C
MAX8563, MAX8564
MAX8564A
VFB_ = 0.45V
VFB_ = 0.6V
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
VDD = 5V, VFB_ = 0.46V
VDD = 13.2V, VFB_ = 0.46V
Measured at FB_ (falling)
Measured at FB_ (falling)
0.494 0.5 0.504
V
0.489
0.509
-100
+100
nA
-8
100
µA
10
4
mA
3
7
3
mA
1.8
7
4.7
V
8.0
10.9
400
mV
300
mV
50
µs
0.115 0.24 0.460 Mho
VEN_ = 0 and VDD,
VDD = 13.2V
0.7
V
1.3
V
TA = +25°C -0.1
+0.1
µA
TA = +85°C
0.001
2 _______________________________________________________________________________________
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