Rainbow Electronics MAX8514 - Manual (Page 5)

MAX8513/MAX8514
Wide-Input, High-Frequency, Triple-Output Supplies
with Voltage Monitor and Power-On Reset
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ELECTRICAL CHARACTERISTICS (continued)
(V IN = V LX = V SUP2 = 12V, V PVL = V BST - V LX = V DRV3P = 5V, V SUP3N = 3.3V, V DRV3N = -5V, C VL = 4.7µF, C REF = 0.22µF, R FREQ =
15.0kΩ, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
ELECTRICAL CHARACTERISTICS
(V IN = V LX = V SUP2 = 12V, V PVL = V BST - V LX = V DRV3P = 5V, V SUP3N = 3.3V, V DRV3N = -5V, C VL = 4.7µF, C REF = 0.22µF, R FREQ =
15.0kΩ, T A = -40°C to +125°C (Note 2), unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SEQ, PFI,
PFO
,
POR
SEQ Input-Voltage High 2.4 V
SEQ Input-Voltage Low 0.8 V
SEQ Input Current V SEQ = 0 to V VL 1 10 µA
I POR = 1.6mA 10 200
POR Output-Voltage Low
V FB1 , V FB2 , V FB3P ,
V FB3N , out-of-regulation
I POR = 0.1mA,
V IN = 1.0V
20 200
mV
POR Output Leakage Current
V FB1 , V FB2 , and V FB3P or V FB3N , in-
regulation
0.001 1 µA
POR Power-Ready Delay Time
From V
FB1
, V
FB2
, and V
FB3P
or V
FB3N
, in-
regulation to POR = high impedance
140 315 560 ms
PFI Input Threshold Falling, V HYST = 20mV 1.20 1.22 1.25 V
PFI Input Bias Current V PFI = 1.0V 0.1 100 nA
I PFO = 1.6mA 20 200
PFO Output-Voltage Low PFI = 1.1V I PFO = 0.1mA,
V IN = 1.0V
10 200
mV
PFO Output Leakage Current PFI = 1.4V, PFO = 5V 0.001 1 µA
THERMAL PROTECTION
Thermal Shutdown Junction temperature rising +170 °C
Thermal-Shutdown Hysteresis 25 °C
PARAMETER SYMBOL CONDITIONS MIN MAX UNITS
GENERAL
5.5 28.0
IN Operating Range
IN = VL 4.5 5.5
V
IN Supply Current
V FB1 = 1.3V, V FB2 = V FB3 = 1.0V, does not
include switching current to PVL and BST,
SYNC/EN = VL 3.2 mA
IN Shutdown Current V SYNC/EN = 0, R FREQ = 50k
Ω
300 µA
VL REGULATOR
VL Output Voltage V IN = 6V to 28V, I VL = 0.1mA to 40mA 4.75 5.25 V
VL Dropout Voltage From IN to VL, V IN = 5V, I VL = 40mA 610 mV
VL Undervoltage Threshold VL rising, V HYST = 675mV (typ) 3.6 4.2 V