AP1551SL-13 Diodes Inc, AP1551SL-13 Datasheet - Page 5

• Manufacturer Part Number: AP1551SL-13
• Description: IC CONV DC-DC PWM 2CH 2A 16-SOIC
• Manufacturer: Diodes Inc
• Type: Step-Down (Buck)r

Specifications of AP1551SL-13

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 1.23 ~ 18 V
• Current - Output: 2A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 22 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Output Voltage: + 1.23 V to + 18 V
• Switching Frequency: 150 KHz
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 0 % to 100 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: AP1551SLDITR

150KHz, Dual Channel 2A PWM Buck DC/DC Converter
Anachip Corp.
www.anachip.com.tw
AP1551 Saturation Voltage v.s. Temperature
Typical Performance Characteristics (For Each Channel)
15
14
13
12
11
10
1.4
1.3
1.2
1.1
0.9
0.8
0.7
86
85
84
83
82
81
80
79
78
77
76
75
9
8
7
6
5
1
-50 -30 -10 10
AP1551 Efficiency v.s. Temperature
Not Recommended for New Design
-50 -30 -10 10
-50
(Vcc=12V,Vfb=0V,VSD=0)
(Vin=12V,Vout=5V,Io=2A)
-25
(Vcc=12V , No Load ,Von/off =0V(Switch ON) ,Von/off =5V(Switch OFF))
Temperature (TA) (°C)
Temperature (TA) (°C)
Temperature (TA) (°C)
0
Switch ON
0.5A
30
30
1A
25
2A
50
50
50
AP1551 Supply Current v.s. Temperature
70
70
90 110 130 150
90 110 130 150
75
100
125
5/8
AP1551 Switch Current Limit v.s. 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
AP1551 Efficiency v.s. Temperature
-50 -30 -10 10
-50
-50 -30 -10 10
(Vin=12V,Vout=3.3V,Io=2A)
-30
(Vcc=12V,Vfb=0V)
Temperature (TA) (°C)
Temperature (TA) (°C)
Temperature (TA) (°C)
-10
Switch OFF
30
30
10
50
50
30
70
70
Rev. 1.0 Nov 17, 2004
90 110 130 150
90 110 130 150
AP1551
50
70
90