MAX1584 Datasheet, PDF (4/29 Pages) Maxim Integrated Products – 5-Channel Slim DSC Power Supplies

5-Channel Slim DSC Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(V_PVSU = V_PV = V_PVSD = V_INDL2 = 3.6V, T_A = 0°C to +85°C, unless otherwise noted.)
PARAMETER
AUX1, 2, 3 DC-DC CONTROLLERS
Maximum Duty Cycle
FB_ = 1V
FB1 and FB3 Regulation Voltage FB_ = CC_
CONDITIONS
FB2 (MAX1584) Regulation
Voltage
FB_ = CC_
FB2 (MAX1585) (Inverter)
Regulation Voltage
FB_ = CC_
FB_ to CC_ Transconductance
FB_ Input Leakage Current
DL_ Driver Resistance
DL_ Drive Current
FB_ = CC_
FB_ = 1.25V
Output high or low
Sourcing or sinking
Soft-Start Interval
AUX1OK Output Low Voltage
0.1mA into AUX1OK
AUX1OK Leakage Current
ONSU = GND
OVERLOAD AND THERMAL PROTECTION
Overload-Protection Fault Delay
SCF Leakage Current
SCF Output Low Voltage
Thermal Shutdown
Thermal Hysteresis
LOGIC INPUTS
ON_ Input Low Level
ONSU = PVSU, FBSU = 1.5V
0.1mA into SCF
1.1V < PVSU < 1.8V (ONSU only)
1.8V < PVSU< 5.5V
ON_ Input High Level
ON_ Impedance to GND
1.1V < PVSU < 1.8V (ONSU only)
1.8V < PVSU < 5.5V
ON_ = 3.35V
MIN TYP MAX UNITS
80
85
90
%
1.231 1.25 1.269
V
1.231 1.25 1.269
V
-0.01
80
-100
0
135
+1
2.5
0.5
4096
0.01
0.01
+0.01
V
185
+100
10
0.1
1
µS
nA
Ω
A
OSC
cycles
V
µA
100,000
0.1
1
0.01
0.1
+160
20
OSC
cycles
µA
V
°C
°C
0.2
V
0.4
V_PVSU -
0.2
V
1.6
330
kΩ
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