MAX5953D datasheet(5/27 Pages) MAXIM

Part #	MAX5953D

Description	IEEE 802.3af PD Interface and PWM Controllers with Integrated Power MOSFETs

Download	27 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

Logo

5 / 27 page

IEEE 802.3af PD Interface and PWM Controllers

with Integrated Power MOSFETs

_______________________________________________________________________________________

5

ELECTRICAL CHARACTERISTICS (DC-DC Controller) (continued)

(All voltages referenced to GND, unless otherwise noted. VHVIN = +48V, CINBIAS = 1µF, CREGOUT = 2.2µF, RRTCT = 25kΩ, CRTCT =

100pF, CBST = 0.22µF, VCSS = VCS = 0V, VRAMP = VDCUVLO = 3V, TJ = 0°C to +125°C, unless otherwise noted. Typical values are at

TJ = +25°C, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SOFT-START (CSS)

Soft-Start Current

ICSS

VCSS = 0V

33

µA

INTEGRATING FAULT PROTECTION

FLTINT Source Current

IFLTINT

80

µA

FLTINT Trip Point

VFLTINT rising

2.7

V

FLTINT Hysteresis

0.75

V

INTERNAL POWER FETs

On-Resistance

RON,POWER

VDRVIN = VBST = 9V,

VXFRMRH = VSRC = 0V, IDS = 50mA

0.4

0.8

Ω

Off-State Leakage Current

-5

+10

µA

Total Gate Charge Per Power

FET

15

nC

HIGH-SIDE DRIVER

Low to High Latency

tLH-HS

Driver delay until FET VGS reaches 0.9 x

(VBST - VXFRMRH) and is fully on

80

ns

High to Low Latency

tHL-HS

Driver delay until FET VGS reaches 0.1 x

(VBST - VXFRMRH) and is fully off

40

ns

Output Drive Voltage

VBST

BST to XFRMRH with high side on

8

V

LOW-SIDE DRIVER

Low to High Latency

tLH-LS

Driver delay until FET VGS reaches 0.9 x

VDRVIN and is fully on

80

ns

High to Low Latency

tHL-LS

Driver delay until FET VGS reaches 0.1 x

VDRVIN and is fully off

40

ns

CURRENT-LIMIT COMPARATOR (CS)

Current-Limit Threshold

Voltage

VILIM

140

156

172

mV

Current-Limit Input Bias

Current

IBILIM

0 < VCS < 0.3V

-2

+2

µA

Propagation Delay to XFRMRL

tdILIM

From VCS rising (10mV overdrive) to

VXFRMRL rising

160

ns

BOOST VOLTAGE CIRCUIT (See Figure 9, QB)

Driver Output Delay

tPPWMD

200

ns

One-Shot Pulse Width

tPWQB

300

ns

QB RDSON

Sinking 20mA

30

60

Ω

THERMAL SHUTDOWN

Shutdown Temperature

TSH

Temperature rising

+160

°C

Thermal Hysteresis

TH

20

°C

Similar Part No. - MAX5953D

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	MAX5950	552Kb / 28P	12V PWM Controller with Hot-Swap Rev 0; 6/06
	MAX5950ETJ	552Kb / 28P	12V PWM Controller with Hot-Swap Rev 0; 6/06
	MAX5951	395Kb / 25P	12V/5V Input Buck PWM Controller Rev 0; 5/06
	MAX5951ETJ	395Kb / 25P	12V/5V Input Buck PWM Controller Rev 0; 5/06
	MAX5952	613Kb / 50P	High-Power, Quad, PSE Controller for Power-Over-Ethernet Rev 0; 7/07

More results

Similar Description - MAX5953D

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	NCP1090DBRG	176Kb / 12P	Integrated IEEE 802.3af PoE-PD Interface Controller February, 2011 ??Rev. 2
	NCP1092DG	176Kb / 12P	Integrated IEEE 802.3af PoE-PD Interface Controller February, 2011 ??Rev. 2
	NCP1091DBRG	176Kb / 12P	Integrated IEEE 802.3af PoE-PD Interface Controller February, 2011 ??Rev. 2
	NCP1090	176Kb / 12P	Integrated IEEE 802.3af PoE-PD Interface Controller February, 2011 ??Rev. 2
	NCP1092DBRG	176Kb / 12P	Integrated IEEE 802.3af PoE-PD Interface Controller February, 2011 ??Rev. 2
STMicroelectronics	STEVAL-TSP005V2	298Kb / 7P	IEEE 802.3af compliant PD interface May 2014 Rev 1
Linear Technology	LTC4267-1	903Kb / 32P	Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator
	LTC4267CDHC-3	1Mb / 32P	Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator
	LTC4267	1Mb / 32P	Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator
STMicroelectronics	STEVAL-TSP006V2	320Kb / 7P	IEEE 802.3af compliant PD interface May 2014 Rev 1

More results

MAX5953D Datasheet(PDF) 5 Page - Maxim Integrated Products

MAX5953D Datasheet(HTML) 5 Page - Maxim Integrated Products

Similar Part No. - MAX5953D

Similar Description - MAX5953D

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