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