ISL8270MEVAL1Z datasheet(8/56 Pages) RENESAS

8 / 56 page

ISL8270M

FN8635 Rev.4.00

Page 8 of 56

Aug 17, 2017

SOFT-START AND SEQUENCING

Delay Time from Enable to VOUT Rise

tON_DELAY

Configured using PMBus

5000

tON_DELAY Accuracy

tON_DELAY_ACCY

±2

Output Voltage Ramp-Up Time

tON_RISE

Configured using PMBus

0.5

100

Output Voltage Ramp-Up Time Accuracy

tON_RISE_ACCY

±250

µs

Delay Time from disable to VOUT Fall

tOFF_DELAY

Configured using PMBus

5000

tOFF_DELAY Accuracy

tOFF_DELAY_ACCY

±2

Output Voltage Fall Time

tOFF_FALL

Configured using PMBus

0.5

100

Output Voltage Fall Time Accuracy

tON_FALL_ACCY

±250

µs

POWER-GOOD

Power-Good Delay

VPG_DELAY

Configured using PMBus

5000

TEMPERATURE SENSE

Temperature Sense Range

TSENSE_RANGE

ConfigurED using PMBus

-50

150

C

Internal Temperature Sensor Accuracy

INT_TEMPACCY

Tested at +100°C

-5

C

External Temperature Sensor Accuracy

XTEMPACCY

Using 2N3904 NPN transistor

±5

C

FAULT PROTECTION

VDD Undervoltage Threshold Range

VDD_UVLO_RANGE Measured internally

4.18

VDD Undervoltage Threshold Accuracy (Note 11)VDD_UVLO_ACCY

±2

%FS

VDD Undervoltage Response Time

VDD_UVLO_DELAY

µs

VOUT Overvoltage Threshold Range

VOUT_OV_RANGE

Factory default

VOUT+15

Configured using PMBus

VOUT+5

VOUT_MAX

VOUT Undervoltage Threshold Range

VOUT_UV_RANGE

Factory default

VOUT-15

Configured using PMBus

0VOUT-5

VOUT OV/UV Threshold Accuracy (Note 9)VOUT_OV/UV_ACCY

-2

VOUT OV/UV Response Time

VOUT_OV/UV_DELAY

µs

Output Current Limit Set-Point Accuracy

(Note 11)

ILIMIT_ACCY

Tested at IOUT_OC_FAULT_LIMIT = 30A

±10

%FS

Output Current Fault Response Time (Note 12)ILIMIT_DELAY

Factory default

tSW

Over-Temperature Protection Threshold

(Controller Junction Temperature)

TJUNCTION

Factory default

125

C

Configured using PMBus

-40

125

C

Thermal Protection Hysteresis

TJUNCTION_HYS

C

Electrical Specifications VIN = VDD = 12V, fSW = 533kHz, COUT = 1340µF, TA = -40°C to +85°C, unless otherwise noted. Typical values

are at TA = +25°C. Boldface limits apply across the operating temperature range, -40°C to +85°C. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

(Note 8)TYP

MAX

(Note 8)UNIT

ISL8270MEVAL1Z bảng dữ liệu(PDF) 8 Page - Renesas Technology Corp

ISL8270MEVAL1Z bảng dữ liệu(HTML) 8 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

bảng dữ liệu tải về

Link URL