LTC7151S datasheet(6/38 Pages) AD

6 / 38 page

LT7182S

Rev. 0

For more information www.analog.com

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

PVIN0, PVIN1 Input Voltage Readback

READ_VIN Accuracy

VIN = 1.5V to 2.5V

VIN = 2.5V to 20V

–25

–1

Output Current Readback

READ_IOUT Accuracy

IOUT = 0A to 4A, (VOUT/VIN) ≤ 0.5

IOUT = 4A to 8A, (VOUT/VIN) ≤ 0.5

IOUT = 0A to 4A, (VOUT/VIN) > 0.5

IOUT = 4A to 8A, (VOUT/VIN) > 0.5

–200

–5

–600

–15

200

600

Input Current Readback

READ_IIN Accuracy

IIIN = 0A to 1A,

IIIN = 1A to 5A

–250

–25

250

Frequency Readback

READ_FREQUENCY Accuracy

fSW ≤ 400kHz

fSW ≥ 400kHz

–20

–5

kHz

EEPROM Characteristics

Retention

(Note 4)

years

Endurance

(Note 4)

10,000

writes

Mass Write Time (STORE_USER_ALL)

250

500

Digital Inputs RUN0, RUN1, FAULT0, FAULT1, PGOOD0, PGOOD1, SHARE_CLK, SCL, SDA, ALERT, WP

Input High Threshold (VIH)

1.1

1.35

Input Low Threshold (VIL)

0.8

0.9

Hysteresis (VHYS)

200

400

Leakage Current

Applied Voltage = 0V, 5.5V

±10

µA

Input Capacitance

Digital Clock Input SYNC/PWM_CFG

Peak-to-Peak Input Voltage Swing

SYNC Input Mode

1.6

5.5

Rise Time

SYNC Input Mode

Duty Cycle

SYNC Input Mode

Digital Clock Output SYNC/PWM_CFG

Output High Voltage

SYNC Output Mode

1.6

1.88

1.98

Output Low Voltage

SYNC Output Mode

0.1

Current-Limited Open-Drain Output RUN0, RUN1, FAULT0, FAULT1

Pulldown Current

Applied Voltage = 0.4V to 5.5V

1.5

Open-Drain Outputs PGOOD0, PGOOD1, SHARE_CLK

Output Low Voltage

I = 6mA

0.4

Digital I/O SCL, SDA, ALERT

Output Low Voltage

I = 20mA

0.4

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C.

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