FUSB3307 datasheet(7/21 Pages) ONSEMI

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FUSB3307

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Table 4. ELECTRICAL CHARACTERISTICS VCC = 5 V, TJ = −40°C to 125°C unless otherwise specified.

Parameter

Unit

Max

Typ

Min

Symbol

Test Conditions

VCC SECTION

Standby Operating Supply Current

VCC = 5 V, VCS = 0 mV (IP−CC1−330

and IP−CC2−330 not flowing since CC1

and CC2 are HIGH)

ICC−STBY

0.85

1.1

VCC−UVP SECTION

Ratio VCC Under−Voltage−Protection (UVP)

to VCC

VCS = 0 mV

KCC−UVP

UVP Debounce Time

tD−UVP

UVP Blanking Time during a Voltage Tran-

sition

Whenever a voltage change occurs

from lower VBUS to a higher VBUS

tBNK−UVP

160

200

240

VCC−OVP SECTION

Ratio VCC Over−Voltage−Protection (OVP)

to VCC

VCS = 0 mV

KCC-OVP

116.0

121

127.0

VCC Maximum Over−Voltage−Protection

VCC−OVP−MAX

23.8

24.8

OVP Debounce Time

tD−OVP

110

OVP Blanking Time during a Voltage Tran-

sition (Note 5)

VBUS voltage transition step (VSTEP)

v 0.5 V, Final VBUS > 13 V

tBNK−OVP1

OVP Blanking Time during a Voltage Tran-

sition (Note 5)

VSTEP v 0.5 V, Final VBUS < 13 V

tBNK−OVP2

OVP Blanking Time during a Voltage Tran-

sition (Note 5)

VSTEP > 0.5 V, Final VBUS > 13 V

tBNK−OVP3

OVP Blanking Time during a Voltage Tran-

sition (Note 5)

VSTEP > 0.5 V, Final VBUS < 13 V

tBNK−OVP4

221

CONSTANT CURRENT LIMIT SENSING SECTION (100% Constant Current)

Current−Sense Amplifier Gain (Note 5)

RCS = 5 mW

AV−CCR

V/V

Current threshold on sensing resistor be-

tween IS+ and IS− at IOUT = 1.00 A

Constant Current Limit mode and

VCC = 5 V, 20 V

ICS−1A

0.85

1.00

1.15

Current threshold on sensing resistor be-

tween IS+ and IS− at IOUT = 2.00 A

Constant Current Limit mode and

VCC = 5 V, 20 V

ICS−2A

1.85

2.00

2.15

Current threshold on sensing resistor be-

tween IS+ and IS− at IOUT = 3.00 A

Constant Current Limit mode and

VCC = 5 V, 20 V

ICS−3A

2.85

3.00

3.15

Current threshold on sensing resistor be-

tween IS+ and IS− at IOUT = 4.00 A

Constant Current Limit mode and

VCC = 5 V, 20 V

ICS−4A

3.80

4.00

4.20

Current threshold on sensing resistor be-

tween IS+ and IS− at IOUT = 5.00 A

Constant Current Limit mode and

VCC = 5 V, 20 V

ICS−5A

4.75

5.00

5.25

Current threshold on sensing resistor be-

tween IS+ and IS− at DIOUT = 50 mA

Constant Current Limit mode and

VCC = 5 V

ICS−STEP

OVER CURRENT PROTECTION SENSING SECTION

Over Current Protection (OCP) threshold on

sensing resistor between IS+ and IS−

Constant Voltage mode, PD Request

Message = 3 A and VCC = 5 V

ICS−3A

3.42

3.60

3.78

Over Current Protection (OCP) threshold on

sensing resistor between IS+ and IS−

Constant Voltage mode, PD Request

Message = 5 A and VCC = 5 V

ICS−5A

5.7

6.0

6.3

OCP Debounce Time

tOCP−DEB

Current threshold on sensing resistor be-

tween IS+ and IS− for enabling discharge

on DISC pin during a voltage transition

VBUS is decreasing

ICS−EN−DSCG

330

Debounce time for enabling discharge on

DISC pin during a voltage transition

tCS−EN−DSCG

0.6

1.0

CONSTANT VOLTAGE SENSING SECTION

VFB Reference Voltage at 3.3 V

VCC = 3.3 V, VCS = 0 V

VCVR−3.3V

0.320

0.330

0.340

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