MAX1823AEUB 查看數據表（PDF） - Maxim Integrated

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MAX1823AEUB

Dual USB Switch with Fault Blanking and Autoreset

Maxim Integrated 

Dual USB Switch with Fault

Blanking and Autoreset

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, VIN = VIN_ = VON_ = 5V (MAX1823B/MAX1823H); VIN = VIN_ = 5V, ON_ = GND (MAX1823/MAX1823A), TA = -40°C

to +85°C, unless otherwise noted.) (Note 2)

PARAMETER

Supply Voltage Range

Switch On-Resistance

Standby Supply Current

SYMBOL

CONDITIONS

Each switch, MAX1823/MAX1823H

RON

Each switch, MAX1823A/MAX1823B

ON_ = IN_ (MAX1823/MAX1823A),

ON_ = GND (MAX1823B/MAX1823H)

MIN TYP MAX UNITS

4.0

5.5

V

135

mΩ

165

10

µA

Quiescent Supply Current

IOUTA = IOUTB = 0A, one channel on

IOUTA = IOUTB = 0A, both channels on

80

µA

100

OUT_ Off-Leakage Current

ON_ = IN_ (MAX1823/MAX1823A),

ON_ = GND (MAX1823B/MAX1823H),

VOUTA = VOUTB = 0V

Undervoltage-Lockout Threshold VUVLO Rising edge, 3% hysteresis

3.0

Continuous Load Current

720

Continuous Current Limit

ILIM

VIN_ - VOUT_ = 0.5V

0.72

Current Limit into Short Circuit

ISHORT VOUT_ = 0V (IOUT pulsing)

0.8

Continuous Current-Limit

Blanking Timeout Period

From continuous current-limit condition to

FAULT_ assertion

10

Short-Circuit Blanking Timeout

Period

From short-circuit current-limit condition to

FAULT_ assertion

7.5

Turn-On Delay

ROUT_ = 10kΩ, MAX1823/MAX1823H

0.5

tON

does not include

rise time

MAX1823A/MAX1823B

0.3

Turn-Off Delay from ON

ROUT_ = 10Ω, does not include fall time

tOFF

(from ON_ (MAX1823/MAX1823A) or ON_

(MAX1823B/MAX1823H) deasserted to

VOUT_ = 90% VIN_)

10

µA

3.8

1.20

1.6

35

V

mA

A

APEAK

ms

35.0

ms

4.0

ms

3.0

3

ms

4 _______________________________________________________________________________________

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