AP1501-33K5L-U Diodes Inc, AP1501-33K5L-U Datasheet
AP1501-33K5L-U
Specifications of AP1501-33K5L-U
Related parts for AP1501-33K5L-U
AP1501-33K5L-U Summary of contents
Page 1
... Additional features include a guaranteed +/- 4% tolerance on the output voltage under specified input and output load conditions, and +/- 15% on oscillator frequency. The AP1501 offers both fixed and a Adjustable output voltages. For fixed outputs the AP1501 supports 3.3V, 5.0V and 12V. The package options available are standard 5-lead TO263 and TO220(R) packages ...
Page 2
... Pin Assignments ( Top View ) Metal Tab GND TO263-5L Pin Descriptions Name Description V Operating voltage input IN Output Switching output Gnd Ground FB Output voltage feedback control SD ON/OFF shutdown AP1501 Rev. 11 150KHz, 3A PWM BUCK DC/DC CONVERTER Gnd 2 Output TO220-5L/TO220-5L( www.diodes.com AP1501 ( Top View ) Gnd 2 Output 1 V ...
Page 3
... 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 Maximum Junction Temperature T MJ AP1501 Rev. 11 150KHz, 3A PWM BUCK DC/DC CONVERTER SD 200mV 2.5V Start Regulator up + Comp _ _ Comp + Frequency compen- _ sation Comp Pre-driver ...
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 switch OFF. 4. Test condition: Device mounted with copper area of approximately 3 in AP1501 Rev. 11 150KHz, 3A PWM BUCK DC/DC CONVERTER Parameter (All Output Voltage Versions) = 24V for the 12V version ...
Page 5
... V Output Voltage OUT AP1501-3.3V η Efficiency V Output Voltage OUT AP1501-5V η Efficiency V Output Voltage OUT AP1501-12V η Efficiency AP1501 Rev. 11 150KHz, 3A PWM BUCK DC/DC CONVERTER (Continued) Conditions V Min 4.5V < V < 40V IN 1.193 0.2A < I < 3A LOAD 1.18 V programmed for 3V OUT V = 12V, I ...
Page 6
... C 1.20 1. 0.60 0.5 1 SWITCH CURRENT(A) Operating Quiescent Current 25.0 20.0 15.0 Switch ON 10.0 Switch OFF 5.0 0.0 -50 - JUNCTION TEMPERATURE( AP1501 Rev. 11 150KHZ, 3A PWM BUCK DC/DC CONVERTER 100 =20V, I =3A IN LOAD 100 125 5.50 5.00 4.50 4.00 3.50 ...
Page 7
... 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( AP1501 Rev. 11 150KHz, 3A PWM BUCK DC/DC CONVERTER (Continued) 5.0 4.0 3.0 2.0 1.0 0.0 75 100 125 o C) 200.0 C 150.0 100.0 50.0 0.0 -50 -25 ...
Page 8
... Capacitor (2) Adjustable Type Circuit R2 12V DC Input Vin Cin Capacitor (3) Delay Start Circuit R2 12V DC Input Vin C DELAY 0.1uF Cin Capacitor Notes: 5. Suggested DIODES Power Schottky: B340A or PDS340 series. AP1501 Rev. 11 150KHz, 3A PWM BUCK DC/DC CONVERTER 33uH Output 2 Inductor 3 Gnd D1 B340A 47uH Output 1 ...
Page 9
... ON condition. Thermal Considerations The AP1501 is available in 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
... Output Type : 1501 : ADJ 1501-33 : 3.3V 1501-50 : 5.0V 1501-12 : 12V (2) TO220-5L(R) Output Type : 1501: ADJ 1501-33: 3.3V 1501-50: 5.0V 1501-12: 12V AP1501 Rev. 11 150KHz, 3A PWM BUCK DC/DC CONVERTER ( Top View ) Logo 1501- Lead Free G : Green code Xth week : 01~52 Year : ( Top view ) ...
Page 11
... Package Information (1) Package Type: TO263-5L (2) Package Type: TO220-5L AP1501 Rev. 11 150KHz, 3A PWM BUCK DC/DC CONVERTER www.diodes.com AP1501 JANUARY 2009 © 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. AP1501 Rev. 11 150KHz, 3A PWM BUCK DC/DC CONVERTER (Continued) ...