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Data sheet, Electrical characteristics (continued), Typical performance characteristics – Diodes AUR9807 User Manual

Page 11

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Data Sheet

Single-cell Li-Ion Charger IC with System Power Management AUR9807

Nov. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited

11

Electrical Characteristics (Continued)

T

A

=25

o

C, V

IN

is within the recommended range, unless otherwise specified.

SHORT CIRCUIT PROTECTION

Short-circuit Recovery
Between BAT to OUT

I

OSH1

Pull-up source from
BAT to OUT for
short-circuit recovery
V

OUT

BAT

–200mV

10 mA

IN to OUT Short-circuit
Protection

R

SHAC

V

OUT

<1V

500

Output Short-circuit
Detection Threshold,
Power-on

V

OUT(SC1)

V

IN

>V

UVLO

and

V

IN

>V

BAT

+ V

IN(DT)

0.9 1 1.1 V

Output Short-circuit
Detection Threshold,
Supplement mode
(V

BAT

– V

OUT

)>V

OUT(SC2)

Indicates Short-circuit

V

OUT(SC2)

V

BAT

>2.5V 160

200

240

mV

Deglitch Time,
Supplement Mode Short
Circuit

t

DGL(SC2)

512

µs

Maximum Short-current
for V

BAT

>V

OUT

I

SHORT

(2)

V

BAT

>2.5V

9

A


(2) For short current>I

SHORT

, short-protection may not work due to avalanche breakdown phenomenon.


Typical Performance Characteristics














Figure 4. Output Voltage vs. Output Current Figure 5. Output Voltage vs. Charge Current