Rainbow Electronics MAX8514 - Manual (Page 3)

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.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
V ILIM = 2.00V, V CSN = 0 to 5.5V 246 275 300
V ILIM = 0.50V, V CSN = 0 to 5.5V 50 67 81 Current-Limit Threshold (Positive) V CS
V ILIM = V VL , V CSN = 0 to 5.5V 151 170 188
mV
V ILIM = 2.00V, V CSN = 0 to 5.5V -333 -272 -199
V ILIM = 0.50V, V CSN = 0 to 5.5V -90 -67 -42
Current-Limit Threshold
(Negative)
V CS
V ILIM = V VL , V CSN = 0 to 5.5V -210 -166 -122
mV
CSP and CSN Bias Current V CSP = V CSN = 0 to 5.5V -120 +135 µA
ILIM Bias Current V ILIM = 1.25V -5.3 -5 -4.7 µA
SS Soft-Start Charge Current V SS = 0.6V 15 25 35 µA
Soft-Start Discharge Resistance 100 200 Ω
LX, BST, PVL Leakage Current
V LX = V IN = 28V, V BST = 33V, V PVL = 5V,
V SYNC/EN = 0
0.03 20 µA
FB1 Power-On Reset Threshold 1.08 1.125 1.20 V
OUT2 (POSITIVE LDO)
SUP2 Operating Range V SUP2 (Note 1) 4.5 28.0 V
DRV2 Clamp Voltage V DRV2 V FB2 = 0.75V 7.75 9.00 V
SUP2 Supply Current 160 300 µA
SUP2 Shutdown Supply Current V SYNC/EN = 0 3 10 µA
FB2 Regulation Voltage V FB2 0.784 0.80 0.808 V
FB2 Input Bias Current I
FB2_BIAS
V
FB2
= 0.75V 0.01 100 nA
DRV2 Output Current Limit V IN = 5V, V DRV2 = 5V, V FB2 = 0.77V 15 30 mA
DRV2 Output Current Limit
During Soft-Start
V IN = 6V, V DRV2 = 5V, V FB2 = 0.70V 8 10 12 mA
FB2 Power-On Reset Threshold 0.690 0.720 0.742 V
FB2 to DRV2 Transconductance G C2 I DRV2 = +250µA, -250µA 0.12 0.2 0.36 S
OUT3P (POSITIVE PNP LDO) (MAX8513 ONLY)
DRV3P Operating Range V DRV3P 1 28 V
FB3P Regulation Voltage V DRV3P = 5V, I DRV3P = 1mA 0.790 0.803 0.816 V
FB3P to DRV3P Large-Signal
Transconductance
G C3P V DRV3P = 5V, I DRV3P = 0.5mA to 5mA 0.38 0.6 1.1 S
Feedback Input Bias Current V FB3P = 0.75V 0.01 100 nA
DRV3P = 2.5V 15 35
Driver Sink Current V FB3P = 0.75V
DRV3P = 4.0V 40
mA
FB3P POR Threshold 0.690 0.720 0.742 V
FB3P Soft-Start Period 1312
Clock
Cycles