2525 datasheet(3/12 Pages) ALLEGRO

3 / 12 page

2525 AND 2535

USB

POWER CONTROL

SWITCHES

www.allegromicro.com

Electrical Characteristics at TA = 25°C, VIN = 5 V.

Limits

Parameter

Test Conditions

Min

Typ

Max

Units

Operating Voltage Range

VIN

2.7

–

5.8

Switch Resistance

VIN = 5 V, IOUT = 500 mA

–

100

140

Ω

VIN = 3.3 V, IOUT = 500 mA

–

100

140

Ω

Output Leakage Current

Output disabled, VIN = 5 V, VOUT = 0

–

<1.0

µA

Maximum Load Current

500

–

Short-Circuit Current Limit

Output enabled into load, VOUT = 4 V

0.5

0.75

1.25

Current-Limit Threshold

Ramped load applied to enabled output, VOUT ≤ 4 V

–

0.9

–

ENABLE Input Threshold

Low-to-high transition

–

2.1

2.4

High-to-low transition

0.8

1.9

–

ENABLE Input Hysteresis

–

0.2

–

ENABLE Input Current

VEN = 0 V to 5.5 V

–

±0.01

±1.0

µA

ENABLE Input Cap.

–

1.0

–

Output Turn-On Delay

RL = 10 Ω, CL = 1 µF, 50% VENABLE to 10% VOUT

–0.5

–

Output Turn-On Rise Time

RL = 10 Ω, CL = 1 µF, 10% VOUT to 90% VOUT

–0.6

–

Output Turn-Off Delay

RL = 10

Ω, CL = 1 µF, 50% VENABLE to 90% VOUT

–10

–

µs

Output Turn-Off Fall Time

RL = 10 Ω, CL = 1 µF, 90% VOUT to 10% VOUT

–25

–

µs

Error Flag Output

VIN = 5 V, IL = 10 mA

–

8.0

–

Ω

Resistance

VIN = 3.3 V, IL = 10 mA

–

Ω

Error Flag Off Current

VFLG = 5 V

–

0.01

–

µA

Supply Current

Switch disabled (see note), OUT = open

–

0.2

5.0

µA

Switch enabled (see note), OUT = open

–

100

160

µA

UVLO Threshold

Increasing VIN

–2.35

–

Decreasing VIN

–2.2

–

Over-Temperature

Increasing TJ

–

165

–

°C

Shutdown Threshold

Decreasing TJ

–

155

–

°C

Note — Disabled is

≤ 0.8 V and enabled is ≥ 2.4 V (active high) for the A2525EL/EM. Disabled is ≥ 0.8V

IN and enabled is ≤ 0.8 V

(active low) for the A2535EL/EM.

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