Datasheet > MAX17075_12

MAX17075_12

更新时间： 2022-11-17 18:35:06

品牌	Logo	应用领域
美信 - MAXIM		稳压器开关运算放大器泵
页数	文件大小	规格书
23页	601K
描述
Boost Regulator with Integrated Charge Pumps, Switch Control, and High-Current Op Amp

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MAX17075_12 数据手册

Boost Regulator with Integrated Charge Pumps,

Switch Control, and High-Current Op Amp

MAX1075

ELECTRICAL CHARACTERISTICS (continued)

VCC

= +5V, Circuit of Figure 1, V

= V

= +13V, T = 0°C to +85°C, unless otherwise noted. Typical values are at T = +25°C.)

SUP A

AVDD

PARAMETER

CONDITIONS

= 1.1V, duty cycle = 75%

MIN

TYP

3.0

0.16

MAX

3.5

UNITS

LX Current Limit

2.5

LX On-Resistance

200mA

0.25

ꢀ

LX =

LX Leakage Current

Current-Sense Transresistance

Soft-Start Period

19V, T = +25°C

µA

LX =

0.1

0.2

0.3

V/A

7-bit current ramp

POSITIVE CHARGE-PUMP REGULATOR

Input Supply Range

SUP

Overvoltage Threshold

= rising, hysteresis = 200mV

SUP

0.5 x

Operating Frequency

OSC

FBP Regulation Voltage

FBP Line Regulation Error

FBP Input Bias Current

DRVP Current Limit

-1.5%

-50

1.250 +1.5%

%/V

ꢀ

= 12V to 18V, V

= 30V

GON

0.2

+50

SUP

= 1.5V, T = +25°C

FBP

Not in dropout

400

DRVP PCH On-Resistance

DRVP NCH On-Resistance

FBP Fault Trip Level

1.5

ꢀ

Falling edge

0.96

1.04

7-bit voltage ramp with filtering to prevent

high peak currents

Positive Charge-Pump Soft-Start Period

NEGATIVE CHARGE-PUMP REGULATOR

Input Supply Range

SUP

0.5 x

Operating Frequency

OSC

FBN Regulation Voltage (V

FBN Input Bias Current

- V

)

- V = 1V

FBN

-1.5%

-50

+1.5%

+50

REF

FBN

REF

FBN

SUP

= 0V, T = +25°C

FBN Line Regulation Error

DRVN PCH On-Resistance

DRVN NCH On-Resistance

DRVN Current Limit

= 9V to 18V, V

= -7V

0.2

%/V

ꢀ

GOFF

1.5

ꢀ

Not in dropout

Rising edge

400

450

FBN Fault Trip level

7-bit voltage ramp with filtering to prevent

high peak currents

Negative Charge-Pump Soft-Start Period

POSITIVE GATE DRIVER TIMING AND CONTROL SWITCHES

CTL Input Low Voltage

0.6

CTL Input High Voltage

CTL Input Current

CTL

= 0V or V

, T = +25°C

-1

µA

VCC

CTL-to-COM Rising Propagation Delay

SRC Input Voltage Range

LOAD

= 100pF

250

SRC-to-COM Switch On-Resistance

DEL

= 1.5V, CTL = VCC

ꢀ

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