FUSB3317 datasheet(6/16 Pages) ONSEMI

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FUSB3317

www.onsemi.com

ELECTRICAL CHARACTERISTICS

For typical values, VVVBAT = 12 V and TA = 25°C. For min/max values, VVVBAT = 5.5 V to 36 V and TJ = −40°C to 125°C; unless otherwise

noted.

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

VBAT Input Supply Section

Turn−On Threshold Voltage

VVBAT rising

VBAT−ON

3.7

4.2

4.7

Turn−Off Threshold Voltage

VVBAT falling

VBAT−OFF

3.4

3.9

4.4

Operating Supply Current at 5.5 V

VVBAT = 5.5 V, VCS=15 mV,

Rcs = 5 mW

IBAT−OP−5.5V

2.5

Operating Supply Current at 36 V

VVBAT = 36 V, VCS=15 mV,

Rcs = 5 mW

IBAT−OP−36V

Standby Power Operating Supply Current

VVBAT = 12 V, VIS+ = VIS− = 0 V

100

VBAT Under Voltage Protection (UVP) Section

VBAT Under Voltage Threshold

BATUV pin is floating

VBAT−UVP

3.8

5.9

BATUV Pin Voltage Threshold to Trigger

Battery UVP

BATUV pin with resistor divider to

VBAT pin

VBAT−TH

0.56

0.6

0.64

UVP Detection Debounce Timing (Note 8)

VVBAT falling

tVBATUV−DEB

VDD Output Supply Section

VDD Output Voltage

VVBAT range 5.5 to 36 V

VDD

4.5

5.0

5.5

VDD Source Current

VVBAT = 12 V, current when

VDD = 4.5 V

IDD

VBUS Under Voltage Protection (UVP) Section

Ratio VVBUS Under−Voltage−Protection

(UVP) to VCC

VVBUS falling

VBUS−UVP−65

Turn−Off Threshold Voltage

VVBUS falling in a PPS contract

VBUS−UVP−PPS

2.805

2.97

3.135

UVP Debounce Time

VVBUS falling

tD−VBUS−UVP

UVP Blanking Time

Whenever a voltage change occurs

from lower VVBUS to a higher VVBUS

tBNK−UVP

160

200

240

VBUS Over Voltage Protection (OVP) Section

VBUS Over Voltage Protection Threshold

VBUS rising

VBUS−OVP−120

116

120

127

VBUS OVP Debounce Time

VBUS rising

tD−VBUS−OVP

115

VBUS OVP Blanking Time (Note 5)

During VBUS voltage transition of

voltage step v 0.5V,

final VVBUS w 13V

tBNK−OVP−11

5.5

8.5

VBUS OVP Blanking Time (Note 5)

During VBUS voltage transition of

voltage step v 0.5V,

final VVBUS < 13V

tBNK−OVP−10

VBUS OVP Blanking Time (Note 5)

During VBUS voltage transition of

voltage step > 0.5V,

final VVBUS w 13V

tBNK−OVP−01

16.5

21.5

VBUS OVP Blanking Time (Note 5)

During VBUS voltage transition of

voltage step > 0.5V,

final VVBUS < 13V

tBNK−OVP−00

205

221

236

Constant Current Limit (CC or CL) Sensing Section

Current−Sense Amplifier Gain

Current sense resistor, Rcs = 5 mW

AV−CCR

V/V

Current range when controlling current limit

at IOUT = 1.00 A

PPS constant current limit mode at

1 A

ICS−1.00A

0.85

1.00

1.15

Current range when controlling current limit

at IOUT = 2.00 A

PPS constant current limit mode at

2 A

ICS−2.00A

1.85

2.00

2.15

Current range when controlling current limit

at IOUT = 3.00 A

PPS constant current limit mode at

3 A

ICS−3.00A

2.85

3.00

3.15

Current range when controlling current limit

at IOUT = 4.00 A

PPS constant current limit mode at

4 A

ICS−4.00A

3.80

4.00

4.20

Current range when controlling current limit

at IOUT = 5.00 A

PPS constant current limit mode at

5 A

ICS−5.00A

4.75

5.00

5.25

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