AP2501/AP2511
Green
2.5A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH
Description Pin Assignments
The AP2501 and AP2511 are single channel current-limited
(Top View) (Top View)
integrated high-side power switches optimized for Universal Serial
( Top View )
Bus (USB) and other hot-swap applications. The family of devices
1 8
GND NC
complies with USB standards and is available with both polarities of
Enable input.
IN 2 7 OUT
IN 3 6 OUT
The devices have fast short-circuit response time for improved
overall system robustness, and have integrated output discharge
EN
4 5 FLG
function to ensure completely controlled discharging of the output
U-DFN3030-8 (Type E)
SO-8
SO-8
voltage capacitor. They provide a complete protection solution for
applications subject to heavy capacitive loads and the prospect of
(Top View) (Top View)
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.
MSOP-8 /MSOP-8EP
All devices are available in SO-8, MSOP-8, MSOP-8EP,
U-DFN2020-6
Note: latter with exposed pad
U-DFN3030-8 (Type E) and U-DFN2020-6 packages.
(dotted line)
Features
Applications
Single Channel Current-limited Power Switch
Output Discharge Function
LCD TVs & Monitors
Fast Short-circuit Response Time: 2s
Set-Top-Boxes, Residential Gateways
3.7A Accurate Current Limiting (Typ)
Laptops, Desktops, Servers, e-Readers
Reverse Current Blocking
Printers, Docking Stations, HUBs
70m 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: -40C to +85C
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
Notes: 1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied.
2. See
AP2501/AP2511
Typical Applications Circuit
Enable Active High (AP2511)
IN OUT Load
Power Supply
2.7V to 5.5V
0.1F
0.1F
10k
120F
FLG
EN
GND
ON
OFF
Available Options
Enable Pin Recommended Maximum Typical Current Limit
Part Number Channel Package
Continuous Load Current (A) (A)
(EN)
SO-8
AP2501 1 Active Low
MSOP-8
2.5A 3.7A MSOP-8EP
U-DFN3030-8 (Type E)
AP2511 1 Active High
U-DFN2020-6
Pin Descriptions
Pin Number
MSOP-8EP,
Pin Name Function
SO-8,
U-DFN3030-8 U-DFN2020-6
MSOP-8
(Type E)
GND 1 1 2 Ground
Voltage Input Pin. Connect a 0.1F or larger ceramic capacitor from IN to
IN 2, 3 2, 3 1
GND as close as possible. (all IN pins must be tied together externally)
EN 4 4 3 Enable Input. Active low (AP2501) or active high (AP2511).
Over-temperature and over-current fault reporting with 7ms deglitch; active
FLG 5 5 4
low open-drain output. FLG is disabled for 7ms after turn-on.
OUT 6, 7 6, 7 5 Voltage Output Pin (all OUT pins must be tied together externally)
NC 8 8 6 No internal connection; recommend tie to OUT pins.
Exposed pad. It should be externally connected to GND and thermal mass for
Exposed Pad Exposed Pad Not Applicable Exposed Pad enhanced thermal impedance. It should not be used as electrical ground
conduction path.
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AP2501/AP2511 May 2016
Diodes Incorporated
www.diodes.com
Document number: DS35577 Rev. 7 - 2