DS2109
022698 9/10
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground –1.0V to +7.0V
Operating Temperature 0°C to 70°C
Storage Temperature –55°C to +125°C
Soldering Temperature 260°C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
RECOMMENDED OPERATING CONDITIONS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
TERMPWR Voltage V
TP
4.00 5.25 V
Logic 1 V
IH
2.0 V
TP
+0.3 V 1
Logic 0 V
IL
–0.3 +0.8 V 1
DC CHARACTERISTICS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
TERMPWR Current I
TP
I
TP
10
500
14
mA
mA
2, 4
2, 5
Power Down Current I
PD
1 2 mA 2, 3, 6
Termination Resistance R
TERM
108 110 112 ohms 2, 3
Die Thermal Shutdown TS
D
150 °C 2
Power Down Termination
Capacitance
C
PD
C
14
3
8
4.5 pF
pF
2, 3, 6, 7
2,3,6,7,8
Input Leakage High I
IH
–1.0 µA 2, 12
Input Leakage Low I
IL
1.0 µA 2, 9, 12
Output Current I
O
4 mA 10
Bus Current Sense Trip Point I
BCST
32 mA 11
REGULATOR CHARACTERISTICS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Output Voltage V
REF
2.79 2.85 2.91 V 2, 3
Drop Out Voltage V
DROP
0.75 1.0 V 4, 7
Line Regulation LI
REG
1.0 2.0 % 2, 5
Load Regulation LO
REG
1.3 3.0 % 2, 3
Current Limit I
L
700 mA 2
Sink Current I
SINK
400 mA 2
