AP1509-33SG-13 Diodes Zetex, AP1509-33SG-13 Datasheet - Page 7

• Manufacturer Part Number: AP1509-33SG-13
• Description: Conv DC-DC Single Step Down 4.5V to 22V 8-Pin SOP T/R
• Manufacturer: Diodes Zetex
• Type: Step Downr

Specifications of AP1509-33SG-13

• Package: 8SOP
• Number Of Outputs: 1
• Minimum Input Voltage: 4.5 V
• Maximum Input Voltage: 22 V
• Switching Frequency: 173 KHz
• Operating Supply Voltage: 4.5 to 22 V
• Maximum Output Current: 2 A
• Output Type: Fixed
• Output Voltage: 3.3 V
• Switching Regulator: Yes
• Efficiency: 78(Typ) %
• Operating Temperature: -20 to 85 °C

Typical Performance Characteristics
AP1509
Document number: DS31016 Rev. 4 - 2
AP1509 Saturation Voltage vs. Temperature
15
14
13
12
11
10
1.4
1.3
1.2
1.1
0.9
0.8
0.7
9
8
7
6
5
1
-50 -30 -10 10
86
85
84
83
82
81
80
79
78
77
76
75
AP1509 Efficiency vs. Temperature
-50
-50 -30 -10 10 30 50 70 90 110 130 150
(V
(V
-25
IN
IN
=12V, V
(V
=12V, V
Temperature (TA) (°C)
Temperature (TA) (°C)
Temperature (T
IN
Switch ON
0
=12V, No Load, Von/off =0V(Switch ON) ,Von/off =5V(Switch OFF))
0.5A
30
1A
OUT
FB
25
=0V, VSD=0)
2A
=5V, Io=2A)
50
50
A
AP1509 Supply Current vs. Temperature
) (°C)
70
90 110 130 150
75
100
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125
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150KHz, 2A PWM BUCK DC/DC CONVERTER
AP1509 Switch Current Limit vs. Temperature
5.5
4.5
3.5
60
55
50
45
40
35
30
81
80
79
78
77
76
75
74
73
5
4
3
AP1509 Efficiency vs. Temperature
-50 -30 -10 10
-50
-50 -30 -10 10
(V
IN
-30
=12V, V
(V
Temperature (TA) (°C)
Temperature (TA) (°C)
Temperature (T
IN
-10
=12V, V
OUT
Switch OFF
30
30
10
=3.3V, Io=2A)
50
50
FB
=0V)
30
70
A
70
) (°C)
90 110 130 150
90 110 130 150
50
AP1509
© Diodes Incorporated
70
June 2010
90