RT5047 Datasheet, PDF (8/16 Pages) Richtek Technology Corporation – Single Output LNB Supply and Control Voltage Regulator

RT5047
Typical Operating Characteristics
Boost Efficiency vs. Output Current
100
95
90
85
80
75
70
65
V_IN = 12V, V_BOOST = 14.3V
60
0.00 0.10 0.20 0.30 0.40 0.50 0.60
Output Current (A)
Tone Amplitude vs. Temperature
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
V_IN = 12V, V_LNB = 13.3V, TONE enable
-50 -25
0
25
50
75 100 125
Temperature (°C)
Output Voltage v.s Temperature
19
18
V_LNB_18.3
17
16
15
14
13
12
-50 -25
V_LNB_13.3
V_IN = 12V
0
25
50 75
Temperature (°C)
100 125
System Efficiency vs. Output Current
100
95
90
85
80
75
70
65
60
0.00
V_IN = 12V, V_BOOST = 14.3V, V_LNB = 13.3V
0.10 0.20 0.30 0.40 0.50 0.60
Output Current (A)
Tone Amplitude vs. Output Current
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0
V_IN = 12V, V_LNB = 13.3V, TONE enable
0.1
0.2
0.3
0.4
0.5
0.6
Output Current (A)
Output Voltage vs. Output Current
19
18
V_LNB_ 18.3V
17
16
15
14
V_LNB_13.3V
13
V_IN = 12V
12
0.00 0.10 0.20 0.30 0.40 0.50 0.60
Output Current (A)
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8
is a registered trademark of Richtek Technology Corporation.
DS5047-00 March 2015