Rainbow Electronics MAX17075 - Manual (Page 6)

MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
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ELECTRICAL CHARACTERISTICS (continued)
(V CC = +5V, Circuit of Figure 1, V AVDD = V SUP = +13V, T A = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER CONDITIONS MIN TYP MAX UNITS
NEGATIVE CHARGE-PUMP REGULATOR
V
SUP
Input Supply Range 6 18 V
FBN Regulation Voltage (V REF - V FBN ) V REF - V FBN = 1V -2% 1 +2% V
FBN Input Bias Current V FBN = 0, T A = +25
°C -50
+50 nA
FBN Line Regulation Error V SUP = 9V to 18V, V GOFF = -7V 0.2 %/V
DRVN PCH On-Resistance 6
DRVN NCH On-Resistance 3
Negative Charge-Pump Soft-Start Period
7-bit voltage ramp with filtering to prevent
high peak currents
5 ms
POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES
CTL Input Low Voltage 0.6 V
CTL Input High Voltage 2 V
CTL Input Current V CTL = 0 or V VCC , T A = +25 °C -1 +1 μA
SRC Input Voltage Range 36 V
SRC-to-COM Switch On-Resistance V DEL = 1.5V, CTL = VCC 10
DRN-to-COM Switch On-Resistance V DEL = 1.5V, CTL = AGND 60
COM-to-GND Pulldown V DEL = 0 1.5 2.5 k
V DEL = 1.5V, CTL = VCC 600 μA
SRC Input Current
V
DEL
= 1.5V, CTL = AGND 360 μA
OPERATIONAL AMPLIFIERS
SUP Supply Range 6 18 V
V SUP Undervoltage Threshold 3.8 4 4.2 V
SUP Supply Current Buffer configuration, V POS = V SUP /2, no load 6.5 mA
Input Offset Voltage V NEG , V POS = V SUP /2, T A = +25
°C
8 mV
Input Bias Current V NEG , V POS = V SUP /2, T A = +25
°C -1
+1 μA
Input Common-Mode Voltage Range 0 V SUP V
Output-Voltage-Swing High I OUT = 50mA
V SUP -
350
mV
Output-Voltage-Swing Low I OUT = -50mA 350 mV
Sourcing 500
Short-Circuit Current
Sinking 500
mA
XAO CONTROL
RSTIN Threshold Falling edge 1.22 1.28 V
RSTIN Input Current T A = +25
°C -1
+1 μA
RST Output Voltage I SINK = 1mA 0.4 V
RST Blanking Time Counting from V VCC crossing 2.25V 160 280 ms
XAO UVLO V CC rising with typical hysteresis of 50mV 1.7 V
Note 1: -40 °C specifcations are guaranteed by design, not production tested.