LM3526MX-L datasheet(4/18 Pages) TI1

Part #	LM3526MX-L

Description	LM3526 Dual Port USB Power Switch and Over-Current Protection

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Manufacturer	TI1 [Texas Instruments]

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LM3526

SNVS054E – FEBRUARY 2000 – REVISED MARCH 2013

www.ti.com

DC Electrical Characteristics (continued)

Limits in standard typeface are for TJ = 25°C, and limits in boldface type apply over the full operating temperature range.

Unless otherwise specified: VIN = 5.0V, VEN = 0V (LM3526-L) or VEN = VIN (LM3526-H).

Symbol

Parameter

Conditions

Min

Typ

Max

Units

IFH

Error Flag Leakage Current

Vflag = 5V

0.01

1

µA

AC Electrical Characteristics

Limits in standard typeface are for TJ = 25°C, and limits in boldface type apply over the full operating temperature range.

Unless otherwise specified: VIN = 5.0V.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

tr

OUT Rise Time

RL = 10Ω

100

µs

tf

OUT Fall Time

RL = 10Ω

5

µs

tON

Turn on Delay, EN to OUT

RL = 10Ω

150

µs

tOFF

Turn off Delay, EN to OUT

RL = 10Ω

5

µs

tOC

Over Current Flag Delay

RL = 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

4

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