150kHz, 2A PWM Buck DC/DC Converter
TJ1509A
TYPICAL PERFORMANCE CHARACTERISTICS
TJ1509A Output Voltage vs. Output Current
(Vin=12V, Vout=5V, Io=2A)
TJ1509A Efficiency vs. Output Current
(Vin=12V, Vout=5V, Io=2A)
84.0
82.0
80.0
78.0
76.0
74.0
72.0
70.0
4.99
4.98
4.97
4.96
4.95
4.94
4.93
4.92
0
0.5
1
1.5
0
0.5
1
1.5
Iout[A]
Iout[A]
TJ1509A Efficiency vs. Output Current
(Vin=15V, Vout=5V, Io=2A)
TJ1509A Output Voltage vs. Output Current
(Vin=15V, Vout=5V, Io=2A)
4.98
4.97
4.96
4.95
4.94
4.93
4.92
84.0
82.0
80.0
78.0
76.0
74.0
72.0
70.0
68.0
0
0.5
1
1.5
0
0.5
1
1.5
Iout[A]
Iout[A]
TJ1509A Input Current vs. Input Voltage
(Io=0A)
TJ1509A Feedback Voltage vs. Temperature
(Vin=12V, Vout=5V)
1.234
1.232
1.230
1.228
1.226
1.224
1.222
1.220
5.50
5.00
4.50
4.00
3.50
3.00
2
4
6
8
10
12
14
-40 -20
0
20 40 60 80 100 120
Temp. [oC]
Vin[V]
HTC
- 5 -
HTC [ HTC KOREA TAEJIN TECHNOLOGY CO. ]
