MAX1823B Maxim, MAX1823B Datasheet - Page 4

• Manufacturer Part Number: MAX1823B
• Description: The MAX1823 is a dual, current-limited switch with autoreset specifically made for USB applications
• Manufacturer: Maxim

Dual USB Switch with Fault
Blanking and Autoreset
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
to +85 C, unless otherwise noted.) (Note 2)
4
Supply Voltage Range
Switch On-Resistance
Standby Supply Current
Quiescent Supply Current
OUT_ Off-Leakage Current
Undervoltage-Lockout Threshold
Continuous Load Current
Continuous Current Limit
Current Limit into Short Circuit
Continuous Current-Limit
Blanking Timeout Period
Short-Circuit Blanking Timeout
Period
Turn-On Delay
Turn-Off Delay from ON
_______________________________________________________________________________________
PARAMETER
IN
= V
IN
_ = V
ON
_ = 5V (MAX1823B/MAX1823H); V
SYMBOL
I
V
SHORT
R
t
UVLO
I
t
OFF
LIM
ON
ON
Each switch, MAX1823/MAX1823H
Each switch, MAX1823A/MAX1823B
ON_ = IN_ (MAX1823/MAX1823A),
ON_ = GND (MAX1823B/MAX1823H)
I
I
ON_ = IN_ (MAX1823/MAX1823A),
ON_ = GND (MAX1823B/MAX1823H),
V
Rising edge, 3% hysteresis
V
V
From continuous current-limit condition to
FAULT_ assertion
From short-circuit current-limit condition to
FAULT_ assertion
R
does not include
rise time
R
(from ON_ (MAX1823/MAX1823A) or ON_
(MAX1823B/MAX1823H) deasserted to
V
OUTA
OUTA
OUTA
IN_
OUT_
OUT_
OUT_
OUT_
- V
= I
= I
= 0V (I
= 10 , does not include fall time
= 90% V
= 10k ,
= V
OUT_
OUTB
OUTB
OUTB
= 0.5V
OUT
= 0A, one channel on
= 0A, both channels on
CONDITIONS
IN_
= 0V
pulsing)
)
MAX1823/MAX1823H
MAX1823A/MAX1823B
IN
= V
IN
_ = 5V, ON_ = GND (MAX1823/MAX1823A), T
0.72
MIN
720
4.0
3.0
0.8
7.5
0.5
0.3
10
TYP
MAX
1.20
35.0
135
165
100
5.5
3.8
1.6
4.0
3.0
10
80
10
35
3
A
UNITS
A
= -40 C
m
mA
PEAK
ms
ms
ms
ms
µA
µA
µA
V
V
A