PM8804 datasheet(9/27 Pages) STMICROELECTRONICS

9 / 27 page

DocID031629 Rev 1

9/27

PM8804

Electrical specifications

4.3

Electrical characteristic

VIN = 48 V, VC = open, GAT1 and GAT2 = open, TA = -40 °C to 85 °C unless otherwise

specified).

Table 5. Electrical characteristic(1)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Input voltage VIN

VIN

Input voltage

VIN rising

Power Good PGD

PGDON

Turn on threshold

PGD rising

765

815

865

PGDOFF

Turn off threshold

PGD falling

PGDON

-120

PGDON

-100

PGDON

-80

HV linear regulator VC(2)

VCS, Internal default

set

-7.6

8.0

8.4

Regulator dropout

IC = 10 mA;

GATE1, GATE2 = open

-2.3

2.8

Current limit

GATE1, GATE2 = open

VConoff

Turn off threshold

VC rising

8.3

Turn on threshold

VC falling

6.0

VCUV

UVR, release

VC rising

7.2

7.6

UVF, lock-out

VC falling

4.75

5.25

VCOV

OV, threshold

VC rising

14.8

15.3

16.0

Oscillator FSW

FSW

Frequency accuracy

In the range from 100 to 500

kHz

-±10

Frequency

Programmability

RFSW = 47 k

425

475

525

kHz

RFSW = 100 k

210

235

260

kHz

RFSW = 250 k

100

110

kHz

Frequency range

Typical value

100

1000

kHz

Fsw voltage

1.20

1.25

1.30

Delay time DT

GATE1 to GATE2 delay

time

RDT = 20 k GATE1 and

GATE2 open

-15

RDT = 390 k GATE1 and

GATE2 open

195

DT voltage

1.20

1.25

1.30

PM8804 Datasheet(PDF) 9 Page - STMicroelectronics

PM8804 Datasheet(HTML) 9 Page - STMicroelectronics

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

Datasheet Download

Link URL