Datasheet

LM3526
SNVS054E –FEBRUARY 2000–REVISED MARCH 2013 www.ti.com
DC Electrical Characteristics (continued)
Limits in standard typeface are for T
J
= 25°C, and limits in boldface type apply over the full operating temperature range.
Unless otherwise specified: V
IN
= 5.0V, V
EN
= 0V (LM3526-L) or V
EN
= V
IN
(LM3526-H).
Symbol Parameter Conditions Min Typ Max Units
I
FH
Error Flag Leakage Current V
flag
= 5V 0.01 1 µA
AC Electrical Characteristics
Limits in standard typeface are for T
J
= 25°C, and limits in boldface type apply over the full operating temperature range.
Unless otherwise specified: V
IN
= 5.0V.
Symbol Parameter Conditions Min Typ Max Units
t
r
OUT Rise Time R
L
= 10Ω 100 µs
t
f
OUT Fall Time R
L
= 10Ω 5 µs
t
ON
Turn on Delay, EN to OUT R
L
= 10Ω 150 µs
t
OFF
Turn off Delay, EN to OUT R
L
= 10Ω 5 µs
t
OC
Over Current Flag Delay R
L
= 0 1 ms
TYPICAL APPLICATION CIRCUIT
PIN DESCRIPTIONS
Pin Number Pin Name Pin Function
1, 4 ENA, ENB Enable (Input): Logic-compatible enable inputs.
(LM3526-L)
ENA, ENB
(LM3526-H)
2, 3 FLAG A Fault Flag (Output): Active-low, open-drain outputs. Indicates overcurrent, UVLO or thermal shutdown.
FLAG B *See Application Information for more information.
6 GND Ground
7 IN Supply Input: This pin is the input to the power switch and the supply voltage for the IC.
8, 5 OUT A Switch Output: These pins are the outputs of the high side switch.
OUT B
Figure 3. Typical Application Circuit
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