The AP2501 and AP2511 are single channel current-limited
integrated high-side power switches optimized for Universal Serial
Bus (USB) and other hot-swap applications. The family of devices
complies with USB standards and is available with both polarities of
Enable input.
The devices have fast short-circuit response time for improved
overall system robustness, and have integrated output discharge
function to ensure completely controlled discharging of the output
voltage capacitor. They provide a complete protection solution for
applications subject to heavy capacitive loads and the prospect of
short circuit, and offer reverse current blocking, over-current, over-
temperature and short-circuit protection, as well as controlled rise
time and under-voltage lockout functionality. A 7ms deglitch
capability on the open-drain Flag output prevents false over-current
reporting and does not require any external components.
All devices are available in SO-8, MSOP-8,
U-DFN3030-8 (Type E) and U-DFN2020-6 packages.
MSOP-8EP,
Pin Assignments
(Top View)
GND
1
IN
2
IN
3
EN
4
(Top View)
( Top View )
8
7
6
5
NC
OUT
OUT
FLG
U-DFN3030-8 (Type E)
(Top View)
SO-8
SO-8
(Top View)
U-DFN2020-6
MSOP-8 /MSOP-8EP
Note: latter with exposed pad
(dotted line)
Features
Single Channel Current-limited Power Switch
Output Discharge Function
Fast Short-circuit Response Time: 2µs
3.7A Accurate Current Limiting (Typ)
Reverse Current Blocking
70mΩ On-resistance (Typ)
Input Voltage Range: 2.7V to 5.5V
Built-in Soft-start with 0.6ms Typical Rise Time
Over-current and Thermal Protection
Fault Report (FLG) with Blanking Time (7ms Typ)
ESD Protection: 2kV HBM, 200V MM
Active Low (AP2501) or Active High (AP2511) Enable
Ambient Temperature Range: -40° to +85°
C
C
SO-8, MSOP-8, MSOP-8EP, U-DFN3030-8 (Type E) and
U-DFN2020-6:
Available in “Green” Molding Compound (No Br, Sb)
Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
UL Recognized, File Number E322375
IEC60950-1 CB Scheme Certified
Applications
LCD TVs & Monitors
Set-Top-Boxes, Residential Gateways
Laptops, Desktops, Servers, e-Readers
Printers, Docking Stations, HUBs
Notes:
1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
4. All voltages referred to GND pin. Maximums are the lower of V
IN
+ 0.3 and 6.5V.
5. UL Recognized Rating from -30° to +70° (Diodes qualified T
ST
from -65° to +150°
C
C
C
C).
Caution: Stresses greater than the 'Absolute Maximum Ratings' specified above, may cause permanent damage to the device. These are stress ratings
only; functional operation of the device at these or any other conditions exceeding those indicated in this specification is not implied. Device reliability may
be affected by exposure to absolute maximum rating conditions for extended periods of time.
Semiconductor devices are ESD sensitive and may be damaged by exposure to ESD events. Suitable ESD precautions should be taken when handling and
transporting these devices.
Recommended Operating Conditions
(@T
A
= +25° unless otherwise specified.)
C,
Symbol
V
IN
I
OUT
V
IH
V
IL
T
A
Note:
Parameter
Input Voltage
Output Current
High-Level Input Voltage on EN
Low-Level Input Voltage on EN
Operating Ambient Temperature (Note 6)
Min
2.7
0
2.0
0
-40
Max
5.5
2.5
V
IN
0.8
+85
Unit
V
A
V
V
°
C
6. T
A(MAX)
= +70° if V
IN
≤ 4.1V and I
OUT
= 2.5A to keep device from going into thermal protection.
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