AP1509-SL-U Diodes Inc, AP1509-SL-U Datasheet - Page 8

• Manufacturer Part Number: AP1509-SL-U
• Description: IC CONV DC/DC SD 2A ADJ 8-SOIC
• Manufacturer: Diodes Inc
• Type: Step-Down (Buck)r

Specifications of AP1509-SL-U

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 18 V
• Current - Output: 2A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 22 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Typical Performance Characteristics
AP1509
Document number: DS31016 Rev. 4 - 2
AP1509 Threshold Voltage vs. Temperature
170
165
160
155
150
145
140
3.45
3.35
3.25
3.15
3.05
2.95
AP1509 Output Voltage vs. Temperature
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0.9
0.8
3.5
3.4
3.3
3.2
3.1
2.9
1
3
-50 -30 -10 10
AP1509 Frequency vs. Temperature
-50 -30 -10 10
-40 -20
(V
IN
=12V, Io=500mA, V
(V
Temperature (TA) (°C)
Temperature (TA) (°C)
0
Temperature (TA) (°C)
IN
(V
=12V, Io=100mA)
IN
20
=12V, Io=2A)
30
30
40
50
50
60
70
70
80 100 120 140 160
OUT
90 110 130 150
90 110 130 150
=5V)
(Continued)
www.diodes.com
8 of 13
150KHz, 2A PWM BUCK DC/DC CONVERTER
AP1509 ON/OFF Current vs. ON/OFF Voltage
AP1509 Feedback Current vs. Temperature
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
-10
-20
-30
-40
-50
10
0
0
-50 -30 -10 10
0
(V
IN
3
=12V, V
Temperature (TA) (°C)
ON/OFF Voltage (V)
6
(V
OUT
IN
30
=12V)
9
=5V, Vfb=1.3V)
50
12
70
90 110 130 150
15
AP1509
© Diodes Incorporated
18
June 2010
21