PM8801 datasheet(17/37 Pages) STMICROELECTRONICS

부품명	PM8801

상세설명	High-efficiency, IEEE 802.3at compliant, integrated PoE-PD interface and PWM controller

PDF	37 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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17 / 37 page

DocID018560 Rev 2

17/37

PM8801

Electrical specifications

Peak source current

CLOAD = 3.3 nF, VC = 10 V

Guaranteed by design

800

Peak sink current

CLOAD = 3.3 nF, VC = 10 V

Guaranteed by design

Thermal shutdown

Shutdown temp.

Always active;

Guaranteed by design

160

°C

Shutdown hyst.

°C

Sleep mode

ENSL threshold

ENSL falling

1.7

1.85

1.95

ENSL hysteresis

Guaranteed by design

0.1

ENDC threshold

ENDC falling

1.7

1.85

1.95

ENDC hysteresis

0.1

VC regulation

Internal default

7.7

8.0

8.3

VC current limit

IB = 0; GAT1, GAT2 = open

VCUVLO

Internal default

UVLO, release

VC rising

VC-0.3

Internal default;

UVLO, lockout

VC falling

5.7

6.0

6.3

VC regulator

dropout

IC = 10 mA; GAT1, GAT2 = open

VB regulation

Internal default

4.85

5.0

5.15

VB current capability

IC = 0; GAT1, GAT2 = open

VB sink current capability

Auxiliary source detection

SA threshold

1.1

1.2

1.3

SA hysteresis

180

Minimum VDD voltage for

aux. operations

T2P flag

T2P pull-up current

μA

T2P pull-down resistance

Table 6. Electrical characteristics - SMPS section (continued)

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

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