TL7660_14 Datasheet, PDF (6/23 Pages) Texas Instruments – CMOS VOLTAGE CONVERTER

TL7660
CMOS VOLTAGE CONVERTER
SCAS794 – JUNE 2006
TYPICAL CHARACTERISTICS (continued)
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EFFICIENCY AND SUPPLY CURRENT
vs
LOAD CURRENT
EFFICIENCY AND SUPPLY CURRENT
vs
LOAD CURRENT
100
20
90
18
η_POWER
80
16
70
14
60
12
50
10
40
8
I_CC
30
6
20
4
V_CC = 2 V
10
T_A = 25°C
2
0
0
01234 56789
I_L – Load Current – mA
100
90
80
70
60
50
40
30
20
10
0
0
100
90
η_POWER
80
70
60
50
40
I_CC
30
20
V_CC = 5 V
T_A = 25°C
10
0
5 10 15 20 25 30 35 40 45
I_L – Load Current – mA
EFFICIENCY
vs
OSCILLATOR FREQUENCY
100
98
96
94
92
V_CC = 5 V
90 _{TA = 25°C}
I_OUT = 1 mA
88
110k00
1010k00
f_OSC – Oscillator Frequency – Hz
11000k00
6
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