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2526 Datasheet

  • 2526

  • USB DUAL POWER CONTROL SWITCHES

  • Allegro   Allegro

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2526
AND
2536
A2526EM
GATE
GATE
CONTROL CONTROL
USB DUAL POWER CONTROL SWITCHES
The A2526EL/M and A2536EL/M are integrated high-side dual
power switches, optimized for self-powered and bus-powered Univer-
sal Serial Bus (USB) applications. Few external components are
necessary to satisfy USB requirements. The A2526EL/EM ENABLE
inputs are active high; the A2536EL/EM are active low.
All devices are ideally suited for USB applications. Each switch
channel supplies up to 500 mA as required by USB peripheral devices.
In addition, the switch鈥檚 low on-resistance permits achieving the USB
voltage-drop requirements. Fault current is limited to typically
750 mA, satisfying the UL 25 VA safety requirements, and a flag
output is available to indicate a fault condition to the local USB
controller. Momentary voltage drops that may occur on the upstream
port when the switch is enabled in bus-powered applications is elimi-
nated by a 鈥渟oft start鈥?feature.
Additional features include thermal shutdown to prevent catastrophic
switch failure from high-current loads, undervoltage lockout to ensure
that the device remains OFF unless there is a valid input voltage
present, and 3.3 V and 5 V logic-compatible enable inputs.
These switches are provided in 8-pin mini-DIP (suffix 鈥楳鈥? and
8-lead SOIC (suffix 鈥楲鈥? packages.
Data Sheet
27447.2*
EN
A
FLG
A
FLG
B
EN
B
1
2
3
4
8
7
6
5
OUT
A
IN
GND
OUT
B
Dwg. PP-070-2
Note that the A2526EM (DIP) and the
A2526EL (SOIC) are electrically identical and
share a common terminal number assignment.
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
IN
.....................
6.0 V
Output Voltage, V
OUT
..................
6.0 V
Output Current,
I
OUT
.................
Internally Limited
ENABLE Voltage Range,
V
EN
.........................
鈥?.3 V to 10 V
Fault Flag Voltage, V
FLG
..............
8.0 V
Fault Flag Current, I
FLG
.............
50 mA
Package Power Dissipation,
P
D
.................................
See Graph
Operating Temperature Range,
T
A
..........................
-40
擄
C to +85
擄
C
Junction Temperature, T
J
.......
+150
擄
C*
Storage Temperature Range,
T
S
...........................
-65
擄
C to 150
擄
C
* Fault conditions that produce excessive
junction temperature will activate device
thermal shutdown circuitry. These conditions
can be tolerated but should be avoided.
T
C
A
T
N
O
C
Features
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Y
R
O
T
C
A
F
2.7 V to 5.8 V Input
Up to 500 mA Continuous Load Current per Port
140 m鈩?Maximum ON-Resistance
1.25 A Maximum Short-Circuit Current Limit
Individual Open-Drain Fault Flag Outputs
125
碌A(chǔ)
Typical ON-State Supply Current
<1
碌A(chǔ)
Typical OFF-State Supply Current
Outputs Can be Forced Higher Than Input (off-state)
Thermal Shutdown
2.2 V Typical Undervoltage Lockout
0.6 ms Turn On (soft-start) and Fast Turn Off
A2526 (active-high) Improved Replacement for MIC2526-1
A2536 (active-low) Improved Replacement for MIC2526-2
USB Hosts and Self-Powered Hubs
USB Bus-Powered Hubs
Hot Plug-In Power Supplies
Battery-Charger Circuits
Applications

2526 PDF文件相關(guān)型號(hào)

2536

2526 產(chǎn)品屬性

  • 0現(xiàn)貨

  • 在售

  • 2526

  • 散裝

  • 在售

  • 平背膠帶

  • 橡膠

  • 紙

  • 0.0098"（9.8 mils，0.250mm）

  • -

  • -

  • -

  • 180'（55.0m）60 碼

  • 白色

  • -

  • 300°F（149°C）

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