Datasheet

LM3658
www.ti.com SNVS328E –MAY 2005–REVISED MARCH 2007
ELECTRICAL CHARACTERISTICS (continued)
Unless otherwise noted, V
CC
(V
CHG_IN
and/or V
USBpwr
) = 5V, V
BATT
= 3.5V. C
CHG_IN
= 1 µF, C
USBpwr
= 1 µF, C
BATT
= 1 µF. Typical
values and limits appearing in normal type apply for T
J
= 25°C. Limits appearing in boldface type apply over T
J
= 0°C to
+85°C.
(1)(2)(3)
Symbol Parameter Conditions Min Typ Max Units
T
CHG
Charge Timer LM3658SD, LM3658SD-B and LM3658SD-A with
270 300 330
USB_sel=high
mins
LM3658SD-A with USB_sel=low 540 600 660
T
EOC
Deglitch Time for End-of-
270 300 330 ms
Charge Transition
T
BATTEMP
Deglitch Time for Battery
20 40 80 ms
Temperature Fault
T
DGL
Deglitch Time for EN_b and
20 40 80 ms
USB_sel Pins
T
ITOPOFF
Deglitch Time for I
TOPOFF
270 300 330 ms
T
TOPOFF
Top-Off Charging Timer LM3658SD, LM3658SD-B and LM3658SD-A with
27 30 33
USB_sel=high
mins
LM3658SD-A with USB_sel=low 54 60 66
I/O
V
IL
Low-Level Input Voltage EN_b 0 0.7 V
USB_sel 1.5
V
IH
High-Level Input Voltage EN_b 1.4 V
USB_sel 2.5
I
OL
Low-Level Output Current STAT1, STAT2, output voltage = 0.25V 10 25 mA
I
OH
High-Level Output Current STAT1, STAT2, output voltage = 6.0V 0.01 1 µA
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