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參數(shù)資料
| 型號： | 2526 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | USB DUAL POWER CONTROL SWITCHES |
| 中文描述： | 的USB雙電源控制開關(guān) |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 220K |
| 代理商： | 2526 |
2526
AND
2536
USB
DUAL POWER CONTROL
SWITCHES
www.allegromicro.com
3
Electrical Characteristics
at T
A
= 25
°
C, V
IN
= 5 V, each output tested separately (unless otherwise noted).
Limits
Parameter
Test Conditions
Min
Typ
Max
Units
Operating Voltage Range
V
IN
2.7
–
5.8
V
Switch Resistance
V
IN
= 5 V, I
OUT
= 500 mA
–
100
140
m
V
IN
= 3.3 V, I
OUT
= 500 mA
–
100
140
m
Output Leakage Current
Each output (output disabled), V
IN
= 5 V, V
OUT
= 0
–
<1.0
10
μ
A
Maximum Load Current
Each output
500
–
–
mA
Short-Circuit Current Limit
Each output (enabled into load), V
OUT
= 4 V
0.5
0.75
1.25
A
Current-Limit Threshold
Ramped load applied to enabled output, V
OUT
≤
4 V
–
0.9
–
A
ENABLE Input Threshold
Low-to-high transition
–
2.1
2.4
V
High-to-low transition
0.8
1.9
–
V
ENABLE Input Hysteresis
–
0.2
–
V
ENABLE Input Current
V
EN
= 0 V to 5.5 V
–
±
0.01
±
1.0
μ
A
ENABLE Input Cap.
–
1.0
–
pF
Output Turn-On Delay
R
L
= 10
, C
L
= 1
μ
F, 50% V
ENABLE
to 10% V
OUT
–
0.5
–
ms
Output Turn-On Rise Time
R
L
= 10
, C
L
= 1
μ
F, 10% V
OUT
to 90% V
OUT
–
0.6
–
ms
Output Turn-Off Delay
R
L
= 10
, C
L
= 1
μ
F, 50% V
ENABLE
to 90% V
OUT
–
10
–
μ
s
Output Turn-Off Fall Time
R
L
= 10
, C
L
= 1
μ
F, 90% V
OUT
to 10% V
OUT
–
25
–
μ
s
Error Flag Output
Resistance
V
IN
= 5 V, I
L
= 10 mA
–
8.0
–
V
IN
= 3.3 V, I
L
= 10 mA
–
10
–
Error Flag Off Current
V
FLG
= 5 V
–
0.01
–
μ
A
Supply Current
Both switches disabled (see note), OUT = open
–
0.2
5.0
μ
A
Both switches enabled (see note), OUT = open
–
125
160
μ
A
UVLO Threshold
Increasing V
IN
–
2.35
–
V
Decreasing V
IN
–
2.2
–
V
Over-Temperature
Shutdown Threshold
Increasing T
J
–
165
–
°
C
Decreasing T
J
–
155
–
°
C
Note — Disabled is
≤
0.8 V and enabled is
≥
2.4 V (active high) for the A2526EL/EM. Disabled is
≥
0.8V
IN
and enabled is
≤
0.8 V
(active low) for the A2536EL/EM.
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