ap1501a-t5r Diodes, Inc., ap1501a-t5r Datasheet

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ap1501a-t5r

Manufacturer Part Number
ap1501a-t5r
Description
150khz, 5a Pwm Buck Dc/dc Converter
Manufacturer
Diodes, Inc.
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ap1501a-t5rL
Manufacturer:
ANACHIP
Quantity:
2 310
Lead-free
Lead-free
Lead-free
Lead-free
Features
Applications
Ordering Information
Notes:
AP1501A Rev. 5
AP1501A-XXT5RL-U
AP1501A-XXK5L-13
AP1501A-XXK5L-U
AP1501A-XXT5L-U
1. EU Directive 2002/95/EC (RoHS). All applicable RohS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
Device
Output voltage: 3.3V, 5V, 12V and adjustable output
version
Adjustable version output voltage range, 1.23V to
37V+4%
150Khz +15% fixed switching frequency
Voltage mode non-synchronous PWM control
Thermal-shutdown and current-limit protection
ON/OFF shutdown control input
Operating voltage can be up to 40V
Output load current: 5A
Lead Free packages: TO263-5L and TO220-5L(R)
Low power standby mode
Built-in switching transistor on chip
Lead Free Finish/RoHS Compliant (Note 1)
Simple High-efficiency step-down regulator
On-card switching regulators
Positive to negative converter
http://www.diodes.com/datasheets/ap02001.pdf.
Blank : Adjustable
33
50
12
Output Version
: 3.3V
: 5.0V
: 12V
Package
Code
T5R
K5
K5
T5
Packaging
TO220-5L(R)
T5R : TO220-5L(R)
AP1501A - XX XXX L - X
(Note 2)
TO263-5L
TO263-5L
TO220-5L
K5 : TO263-5L
T5 : TO220-5L
Package
www.diodes.com
Quantity
1 of 12
150KHz, 5A PWM BUCK DC/DC CONVERTER
NA
50
50
50
Tube/Bulk
General Description
The AP1501A series are monolithic ICs that are designed for a
step-down DC/DC converter, and possess the ability to drive a
5A load without additional transistor component. Due to reducing
the number of external component, the board space can be
saved easily. The external shutdown function can be controlled
by logic level and then come into standby mode. The internal
compensation makes feedback control have good line and load
regulation without external design. Regarding protected function,
thermal shutdown is to prevent over temperature operating from
damage, and current limit is against over current operating of the
output switch. The AP1501A series operates at a switching
frequency of 150Khz thus allowing smaller sized filter
components than what would be needed with lower frequency
switching regulators. Other features include a guaranteed +4%
tolerance on output voltage under specified input voltage and
output load conditions, and +15% on the oscillator frequency.
The output version includes fixed 3.3V, 5V, 12V, and an
adjustable type. The packages are available in a standard 5-lead
TO263 and TO220 packages.
Part Number
Suffix
L : Lead Free
Lead Free
NA
-U
-U
-U
800/Tape & Reel
Quantity
13” Tape and Reel
NA
NA
NA
13 : Tape & Reel
U : Tube
AP1501A
Packing
©
Diodes Incorporated
Part Number
MAY 2008
Suffix
NA
-13
NA
NA

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ap1501a-t5r Summary of contents

Page 1

... AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER General Description The AP1501A series are monolithic ICs that are designed for a step-down DC/DC converter, and possess the ability to drive a 5A load without additional transistor component. Due to reducing the number of external component, the board space can be saved easily ...

Page 2

... Metal Tab GND TO263-5L Pin Descriptions Name V Operating voltage input IN Output Switching output Gnd Ground FB Output voltage feedback control SD ON/OFF shutdown AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER Gnd 2 Output Description www.diodes.com AP1501A ( Top View ) Gnd ...

Page 3

... V ON/OFF Pin input voltage SD V Feedback Pin voltage FB V Output voltage to Ground OUT P Power dissipation D T Storage temperature ST T Operating Junction Temperature J AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER SD 2.5V Start Regulator up Freq. Amp _ Compensation Comp + 150kHz OSC. Parameter Internally limited www.diodes.com ...

Page 4

... Feedback pin removed from output and connected force the output transistor switch ON. Feedback pin removed from output and connected to 12V for the 3.3V, 5V, and the ADJ. version, and 15V for the 12V version, to force the output transistor with OFF, 4. Test condition: Device mounted with copper area of approximately 3in AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER Parameter ( All Output Voltage Versions ) = 24V for the 12V version ...

Page 5

... V FB AP1501A-ADJ η V Output Voltage OUT AP1501A-3.3V η V Output Voltage OUT AP1501A-5V η V Output Voltage OUT AP1501A-12V η AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER ( Continued ) Parameter Conditions 5V < V < 40V IN Output 0.2A < I < 5A LOAD Feedback V programmed for 3V OUT Efficiency V = 12V, I =5A ...

Page 6

... C 1 125 C 1.5 1 1.2 2.0 3 SWITCH CURRENT(A) Operating Quiescent Current 25.0 20.0 15.0 10.0 5.0 0.0 -50 - JUNCTION TEMPERATURE(°C) AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER V =20V, I =3A IN LOAD Normalized 25° 100 125 7.5 7.0 6.5 6.0 5 200.0 160.0 120.0 Switch ON Switch OFF 50 75 100 125 www ...

Page 7

... C T 125 J 90.0 60.0 30.0 0.0 1 ON/OFF PIN VOLTAGE (V) Feedback Pin Bias Current 50.0 40.0 30.0 20.0 Adjustable Version Only 10.0 0.0 -50 - JUNCTION TEMPERATURE( AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER (Continued) 5.0 4.0 3.0 2.0 1.0 0 100 125 o C) 200 150.0 100.0 50.0 0 100 125 www ...

Page 8

... Fixed Type Circuit 12V DC Input Vin Cin Capacitor (2) Adjustable Type Circuit 12V DC Input Vin Cin Capacitor (3) Delay Start Circuit 12V DC Input Vin C DELAY 0.1uF Cin Capacitor AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER FB 4 Output AP1501A Gnd Output 1 AP1501A 2 ...

Page 9

... ON/OFF pin can be wired to the ground pin or it can be left open, in either case the regulator will be in the ON condition. Thermal Considerations The AP1501A is available in two packages, a 5-pin surface mount TO-263 and TO-220. The TO-220 package needs a heat sink under most conditions. The size of the heat sink depends on the input voltage, the output voltage, the load current and the ambient temperature ...

Page 10

... TO263-5L Output Type: 1501A : ADJ 1501A33 : 3.3V 1501A50 : 5.0V 1501A12 : 12V (1) TO220-5L(R) Output Type: 1501A : ADJ 1501A33 : 3.3V 1501A50 : 5.0V 1501A12 : 12V AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER ( Top view ) Logo 1501A Lead Free Package code Xth week: 01~52 Year: ( Top view ) Logo ...

Page 11

... Package Information (1) Package Type: TO263-5L (2) Package Type: TO220-5L AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER (All Dimensions in mm www.diodes.com AP1501A MAY 2008 © Diodes Incorporated ...

Page 12

... Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. AP1501A Rev. 5 150KHz, 5A PWM BUCK DC/DC CONVERTER (Continued) ...

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