MAX17075 View Datasheet(PDF) - Maxim Integrated

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Description

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MAX17075

Boost Regulator with Integrated Charge Pumps, Switch Control, and High-Current Op Amp

Maxim Integrated 

MAX17075

Boost Regulator with Integrated Charge Pumps,

Switch Control, and High-Current Op Amp

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +5V, Circuit of Figure 1, VAVDD = VSUP = +13V, TA = -40°C to +105°C, unless otherwise noted.) (Note 1)

PARAMETER

CONDITIONS

MIN TYP

NEGATIVE CHARGE-PUMP REGULATOR

VSUP Input Supply Range

FBN Regulation Voltage (VREF - VFBN)

FBN Input Bias Current

FBN Line Regulation Error

DRVN PCH On-Resistance

VREF - VFBN = 1V

VFBN = 0V, TA = +25°C

VSUP = 9V to 18V, VGOFF = -7V

6

-2%

1

-50

DRVN NCH On-Resistance

Negative Charge-Pump Soft-Start Period

7-bit voltage ramp with filtering to prevent

high peak currents

POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES

CTL Input Low Voltage

CTL Input High Voltage

2

CTL Input Current

VCTL = 0V or VVCC, TA = +25°C

-1

SRC Input Voltage Range

SRC-to-COM Switch On-Resistance

VDEL = 1.5V, CTL = VCC

DRN-to-COM Switch On-Resistance

VDEL = 1.5V, CTL = AGND

COM-to-GND Pulldown

VDEL = 0V

1.5

SRC Input Current

VDEL = 1.5V, CTL = VCC

VDEL = 1.5V, CTL = AGND

OPERATIONAL AMPLIFIERS

SUP Supply Range

6

VSUP Undervoltage Threshold

3.8

4

SUP Supply Current

Buffer configuration, VPOS = VSUP/2, no load

Input Offset Voltage

VNEG, VPOS = VSUP/2

Input Bias Current

VNEG, VPOS = VSUP/2, TA = +25°C

-1

Input Common-Mode Voltage Range

0

Output-Voltage-Swing High

IOUT = 50mA

VSUP -

350

Output-Voltage-Swing Low

Short-Circuit Current

XAO CONTROL

RSTIN Threshold

RSTIN Input Current

RST Output Voltage

RST Blanking Time

XAO UVLO

IOUT = -50mA

Sourcing

500

Sinking

500

Falling edge

1.22

TA = +25°C

-1

ISINK = 1mA

Counting from VVCC crossing 2.25V

160

VCC rising with typical hysteresis of 50mV

Note 1: All devices are 100% tested at +25°C. Limits over temperature are guaranteed by design.

MAX

18

+2%

+50

0.2

6

3

5

0.6

+1

36

10

60

2.5

600

360

18

4.2

6.5

12

+1

VSUP

350

1.28

+1

0.4

280

1.7

UNITS

V

V

nA

%/V

Ω

Ω

ms

V

V

µA

V

Ω

Ω

kΩ

µA

µA

V

V

mA

mV

µA

V

mV

mV

mA

V

µA

V

ms

V

6

Maxim Integrated

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