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AP2331TD Datasheet
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Part AP2331TD
Description 0.2A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH
Feature AP2331TD; NEW PNREOWDUPCRTODUCT AP2331TD 0.2A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH WITH OUTPUT TRANSIEN.
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Datasheet
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Diodes AP2331TD
AP2331TD
0.2A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH
WITH OUTPUT TRANSIENT DISCHARGE
Description
The AP2331TD is a single channel current-limited integrated high-side
power switcher optimized for hot-swap applications. The devices have
fast short-circuit response time for improved overall system robustness
and provide a complete protection solution for application subject to
heavy capacitive loads and the prospect of short circuit. It offers
reverse-current blocking, over-current, over-temperature and short-
circuit protection, as well as controlled rise time and under-voltage
lockout functionality.
The device is available in SOT23 and SC59 packages.
Features
Quick Turn-off of Output Discharge Path at Power Down
Input Voltage Range: 2.7V to 5.2V
Fast Short-Circuit Response Time
0.4A Accurate Current Limiting
250mΩ On-Resistance
Reverse-Current Blocking
Built-In Soft-Start with 0.7ms Typical Turn-On Time
Over-Current Protection
Over-Voltage Protection
Short-Circuit and Thermal Protection
ESD Protection: 3kV HBM, 300V MM
Ambient Temperature Range: -40°C to +85°C
Available in GreenMolding Compound (No Br, Sb)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
UL Recognized, File Number E322375
IEC60950-1 CB Scheme Certified
Pin Assignments
(Top View)
GND 1
OUT 2
3 IN
SOT23
(Top View)
GND 1
OUT 2
3 IN
SC59
Applications
LCD TVs & Monitors
Set-Top Boxes, Residential Gateways
Laptops, Desktops, Servers
Printers, Docking Stations, HUBs
Smart Phones, e-Readers
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
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
<1000ppm antimony compounds.
Typical Application Circuit
Power Supply
2.7V to 5.25V
IN OUT
0.1µF
GND
0.1µF
Load
AP2331TD
Document number: DS40136 Rev. 1 - 2
1 of 11
www.diodes.com
October 2017
© Diodes Incorporated



Diodes AP2331TD
AP2331TD
Pin Descriptions
Pin Name
GND
OUT
IN
Pin Number
1
2
3
GND
Switch Output Pin
Voltage Input Pin
Functions
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Symbol
Parameter
Ratings
ESD HBM
ESD MM
VIN
VOUT
ILOAD
TJMAX
TST
Human Body Model ESD Protection
Machine Model ESD Protection
Input Voltage Relative to GND
Output Voltage Relative to GND
Maximum Continuous Load Current
Maximum Junction Temperature
Storage Temperature Range (Note 4)
3
300
6.5
VIN +0.3
Internal Limited
+150
-65 to +150
Note:
4. UL Recognized Rating from -30°C to +70°C (Diodes Incorporated qualified TST from -65°C to +150°C).
Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)
Symbol
VIN
IOUT
TA
Parameter
Input Voltage Relative to GND
Output Current
Operating Ambient Temperature
Min
2.7
0
-40
Max
5.2
0.2
+85
Unit
kV
V
V
V
A
°C
°C
Unit
V
A
C
Electrical Characteristics (@TA = +25°C, VIN = 5V, unless otherwise specified.)
Symbol
VUVLO
IQ
IREV
RDS(ON)
ILIMIT
IOS
IROCP
tTRIG
VOVP
tOVP
VREC
tON
TSHDN
THYS
θJA
Parameter
Test Conditions (Note 5)
Input UVLO
VIN rising
Input Quiescent Current
Above UVLO, IOUT = 0
Reverse Leakage Current
VIN = 0V, VOUT = 5V, IREV at VIN
Switch On-resistance
VIN = 5V, IOUT = 0.2A
Over-load Current Limit
VIN = 5V, VOUT = 4V
Short-circuit Current
OUT shorted to ground
Reverse-current Trigger Point
VIN = 5.0V, VOUT = 5.2V
Deglitch Time from Reverse
to MOSFET Turn Off
Current
Trigger
(Note
6)
Output Over-voltage Trip Point
(Note 7)
Debounce Time from Output Over-voltage
to MOSFET Turn Off
Recovery after Turn-off from ROCP and
OVP
Output Turn-on Time (Note 8)
CL = 0.1µF, RLOAD = 20Ω
(UVLO to 90% VOUT-NOM)
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
VIN = 2.7V to 5.25V
Thermal Resistance Junction-to-Ambient
(Note 9)
SOT23
SC59
Min
2.35
100
0.3
0.3
0.5
5.3
Typ
85
0.01
250
0.4
0.4
0.20
0.7
15
Max
2.65
125
0.10
350
0.5
0.5
0.25
1.0
5.6
101%*VIN
0.7
+150
+20
215
255
Unit
V
µA
µA
A
A
A
ms
V
µs
V
ms
C
C
°C/W
°C/W
Notes:
5. Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.
6. When reverse current triggers at IROCP = 0.20A, the reverse current is continuously clamped at IROCP for 0.7ms deglitch time until MOSFET is turned off.
7. During output over-voltage protection, the output draws approximately 60µA current.
8. Since the output turn-on slew rate is dependent on input supply slew rate, this limit is only applicable for input supply slew rate between VIN/0.2ms to
VIN/1ms.
9. Device mounted on FR-4 substrate PCB, 2oz copper, with minimum recommended pad layout.
AP2331TD
Document number: DS40136 Rev. 1 - 2
2 of 11
www.diodes.com
October 2017
© Diodes Incorporated



Diodes AP2331TD
Typical Performance Characteristics
UVLO Increasing
AP2331TD
UVLO Decreasing
1ms/div
Over-Load Current Limit
5ms/div
Short-Circuit Current Limit
5ms/div
Deglitch Time from Reverse-Current Trigger to MOSFET Turn-Off
550µs
200µs/div
100µs/div
Reverse-Current Limit
200mA
200µs/div
AP2331TD
Document number: DS40136 Rev. 1 - 2
3 of 11
www.diodes.com
October 2017
© Diodes Incorporated







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