MAX15035ETL データシートの表示（PDF） - Maxim Integrated

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MAX15035ETL

15A Step-Down Regulator with Internal Switches

Maxim Integrated 

MAX15035

15A Step-Down Regulator with Internal Switches

Electrical Characteristics 1 (continued)

(Circuit of Figure 1, VIN = 12V, VDD = VCC = VEN = 5V, REFIN = ILIM = REF, SKIP = GND. TA = 0°C to +85°C, unless otherwise

specified. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

REFIN Input Current

FB Voltage Range

FB Voltage Accuracy

FB Input Bias Current

FB Output Low Voltage

Load-Regulation Error

Line-Regulation Error

Soft-Start/Soft-Stop Slew Rate

Dynamic REFIN Slew Rate

REFERENCE

Reference Voltage

FAULT DETECTION

Output Overvoltage-Protection

Trip Threshold

Output Overvoltage

Fault-Propagation Delay

Output Undervoltage-Protection

Trip Threshold

Output Undervoltage

Fault-Propagation Delay

PGOOD Propagation Delay

PGOOD Output-Low Voltage

PGOOD Leakage Current

SYMBOL

IREFIN

VFB

VFB

IFB

SSSR

DYNSR

VREF

OVP

tOVP

UVP

tUVP

tPGOOD

IPGOOD

CONDITIONS

TA = +25°C, REFIN = 0.5V to 2V

(Note 2)

VREFIN = 0.5V,

measured at FB,

TA = +25°C

VIN = 4.5V to

26V, SKIP =

VDD

TA = 0°C to +85°C

VREFIN = 1.0V

TA = +25°C

TA = 0°C to +85°C

VREFIN = 2.0V TA = 0°C to +85°C

VFB = 0.5V to 2.0V, TA = +25°C

ISINK = 3mA

SKIP = VDD

VCC = 4.5V to 5.5V, VIN = 4.5V to 26V

Rising/falling edge on EN

Rising edge on REFIN

VCC = 4.5V

to 5.5V

No load

IREF = -10µA to +50µA

With respect to the internal target voltage

(error comparator threshold); rising edge;

hysteresis = 50mV

Dynamic transition

Minimum OVP threshold

FB forced 25mV above trip threshold

With respect to the internal target voltage

(error comparator threshold) falling edge;

hysteresis = 50mV

FB forced 25mV below trip threshold

UVP falling edge, 25mV overdrive

OVP rising edge, 25mV overdrive

Startup delay

ISINK = 3mA

FB = REFIN (PGOOD high impedance),

PGOOD forced to 5V, TA = +25°C

MIN

-50

0

0.495

TYP

0.5

MAX

+50

VREF

UNITS

nA

V

0.505

0.493

0.507

V

0.995

1.0

1.005

0.993

1.007

1.990

2.0

2.010

-0.1

+0.1

µA

0.4

V

0.1

%

0.2

%

0.4

1.2

2.2

mV/µs

3

9.45

18

mV/µs

1.990 2.00 2.010

1.98

2.02

V

250

300

350

mV

VREF +

0.30

V

0.7

5

µs

-240 -200 -160

mV

100

200

350

µs

5

5

µs

100

200

350

0.4

V

1

µA

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