P9242-R datasheet(9/38 Pages) RENESAS

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P9242-R Datasheet

January 16, 2018

4. Electrical Characteristics

Table 5.

Electrical Characteristics

Note: VIN = 5V, EN = LOW, TA = -40 C to +85 C, unless otherwise noted. Typical values are at 25 C.

Symbol

Description

Conditions/Notes

Min

Typical

Max

Units

Input Supplies and UVLO

VIN

Input Operating Range[a]

4.25

VIN_UVLO

Under-Voltage Lockout

VIN rising

4.0

VIN_UVHYS

Under-Voltage Hysteresis

VIN falling

0.5

IIN

Operating Mode Input Current

Power transfer phase,

Vin = 12V

ISTD_BY

Standby Mode Current

Periodic ping

ISHD

Shut Down Current

EN = VIN = 21V

μA

Enable Pin Threshold (EN)

VIH

Input Threshold HIGH

2.5

VIL

Input Threshold LOW

0.5

IEN_LKG

EN Pin Input Leakage Current

VEN

¯¯

= 0V

-1

μA

VEN

¯¯

= 5V

2.5

μA

Step-Down Regulator[b] with COUT = 33μF; L = 4.7μH

VOUT

Step-Down Output Voltage

Vin = 12V

4.5

5.5

N-Channel MOSFET Drivers

tLS_ON_OFF

Low-Side Gate Driver Rise and

Fall Times

CLOAD= 3nF; 10% to 90%,

90% to 10%

150

tHS_ON_OFF

High-Side Gate Driver Rise and

Fall Times

CLOAD = 3nF; 10% to 90%,

90% to 10%

150

300

Input Current Sense

VSEN_OFST

Amplifier Output Offset Voltage

Measured at the ISNS_OUT pin;

VCSP = VCSN

0.6

ISENACC_TYP[c]

Measured Current Sense

Accuracy

VR_ISEN = 25mV, I = 1.25A

±3.5

Analog to Digital Converter

Resolution

Bit

Channel

Number of Channels

VIN,FS

Full Scale Input Voltage

2.4

LDO18[b]

VLDO18

1.8V LDO Regulator

COUT = 1μF, VVIN_LDO = 5.5V

1.71

1.8

1.89

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