User Manual
MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
6 _______________________________________________________________________________________
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.