Datasheet

LM2611
www.ti.com SNOS965I –JUNE 2001–REVISED APRIL 2013
Electrical Characteristics
Specifications in standard type face are for T
J
= 25°C and those with boldface type apply over the Temperature Range T
J
=
−40°C to +85°C, unless otherwise specified. V
IN
= 5.0V and I
L
= 0A, unless otherwise specified.
Symbol Parameter Conditions Min
(1)
Typ
(2)
Max
(1)
Units
V
IN
Input Voltage 2.7 14 V
Grade A 1 1.2 2
I
SW
Switch Current Limit A
Grade B 0.7 0.9
Grade A 0.5 0.65
R
DSON
Switch ON Resistance Ω
Grade B 0.7 0.9
Device enabled 1.5
SHDN
TH
Shutdown Threshold V
Device disabled 0.50
V
SHDN
= 0V 0.0
I
SHDN
Shutdown Pin Bias Current µA
V
SHDN
= 5V 0.0 1.0
NFB Negative Feedback Reference V
IN
= 3V −1.205 −1.23 −1.255 V
I
NFB
NFB Pin Bias Current V
NFB
=−1.23V −2.7 −4.7 −6.7 µA
V
SHDN
= 5V, Switching 1.8 3.5 mA
I
q
Quiescent Current V
SHDN
= 5V, Not Switching 270 500 µA
V
SHDN
= 0V 0.024 1 µA
%V
OUT
/ ΔV
IN
Reference Line Regulation 2.7V ≤ V
IN
≤ 14V 0.02 %/V
f
S
Switching Frequency 1.0 1.4 1.8 MHz
D
MAX
Maximum Duty Cycle 82 88 %
Not Switching
I
L
Switch Leakage 1 µA
V
SW
= 5V
(1) All limits are specified at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits
are 100% tested through statistical analysis. All limits at temperature extremes via correlation using standard Statistical Quality Control
(SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).
(2) Typical numbers are at 25°C and represent the expected value of the parameter.
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