Datasheet

LMR12010
SNVS731A –SEPTEMBER 2011–REVISED SEPTEMBER 2011 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Specifications with standard typeface are for T
J
= 25°C, and those in boldface type apply over the full Operating
Temperature Range (T
J
= -40°C to 125°C). V
IN
= 5V, V
BOOST
- V
SW
= 5V unless otherwise specified. Datasheet min/max
specification limits are specified by design, test, or statistical analysis.
Min Typ Max
Symbol Parameter Conditions Units
(1) (2) (1)
LMR12010X 2
D
MIN
Minimum Duty Cycle %
LMR12010Y 8
R
DS(ON)
Switch ON Resistance V
BOOST
- V
SW
= 3V 300 600 mΩ
I
CL
Switch Current Limit V
BOOST
- V
SW
= 3V 1.2 1.7 2.5 A
I
Q
Quiescent Current Switching 1.5 2.5 mA
Quiescent Current (shutdown) V
EN
= 0V 30 nA
LMR12010X (50% Duty Cycle) 2.5 3.5
I
BOOST
Boost Pin Current mA
LMR12010Y (50% Duty Cycle) 4.25 6.0
Shutdown Threshold Voltage V
EN
Falling 0.4
V
EN_TH
V
Enable Threshold Voltage V
EN
Rising 1.8
I
EN
Enable Pin Current Sink/Source 10 nA
I
SW
Switch Leakage 40 nA
4 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated
Product Folder Links: LMR12010