Datasheet

MAX1946
Single USB Switch with Autoreset and
Fault Blanking in Tiny TDFN
6 _______________________________________________________________________________________
OVERLOAD RESPONSE INTO 2.5Ω
MAX1946 toc13
10ms/div
A
D
B
C
0
0
0
0
A: V
OUT
, 5V/div
B: V
FAULT
, 5V/div
C: I
IN
, 1A/div
D: I
OUT
, 1A/div
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V
IN
= 5V, C
IN
= 0.1µF, C
OUT
= 1µF, ON = SEL, T
A
= +25°C, unless otherwise noted.)
OVERLOAD RESPONSE INTO 2.5Ω
(EXPANDED TIME SCALE)
MAX1946 toc14
400µs/div
A
D
B
C
0
0
0
0
A: V
OUT
, 5V/div
B: V
FAULT
, 5V/div
C: I
IN
, 1A/div
D: I
OUT
, 1A/div
SHORT-CIRCUIT RESPONSE INTO 0Ω
MAX1946 toc15
10ms/div
A
D
B
C
0
0
0
0
A: V
OUT
, 5V/div
B: V
FAULT
, 5V/div
C: I
IN
, 1A/div
D: I
OUT
, 1A/div
SHORT-CIRCUIT RESPONSE INTO 0Ω
(EXPANDED TIME SCALE)
MAX1946 toc16
400µs/div
A
D
B
C
0
0
0
0
CURRENT TRANSIENT FROM
SHORTING OUTPUT CAPACITANCE
A: V
OUT
, 5V/div
B: V
FAULT
, 5V/div
C: I
IN
, 2A/div
D: I
OUT
, 10A/div