ICL7662_06 Datasheet, PDF (5/10 Pages) Intersil Corporation – CMOS Voltage Converter

ICL7662
Typical Performance Curves (See Figure 14, Test Circuit) (Continued)
15K
14K
13K
12K
11K
10K
9K
8K
7K
6K
5K
-55
V+ = 15V
C_OSC = 0pF
-20
0
25
70
125
TEMPERATURE (^oC)
-1
-2 V+ = 15V
-3
T_A = 25^oC
-4
LV = OPEN
-5
-6
-7
-8
-9
-10
-11
-12
-13
SLOPE = 65Ω
-14
-15
10 20 30 40 50 60 70 80
LOAD CURRENT I_L (mA)
90 100
FIGURE 7. UNLOADED OSClLLATOR FREQUENCY
AS A FUNCTION OF TEMPERATURE
FIGURE 8. OUTPUT VOLTAGE AS A FUNCTION
OF LOAD CURRENT
2 _{V+ = 5V}
T_A = 25^oC
1 _{LV = GND}
0
-1
-2
-3
SLOPE = 14Ω
-4
-5
0 2 4 6 8 10 12 14 16 18 20
LOAD CURRENT I_L (mA)
FIGURE 9. OUTPUT VOLTAGE AS A FUNCTION
OF LOAD CURRENT
100
V+ = 15V
95
T_A = 25^oC
90
PBFF
85
80
200
160
I+
120
75
80
70
40
65
0 10 20 30 40 50 60 70 80 90 100
LOAD CURRENT I_L (mA)
FIGURE 11. SUPPLY CURRENT AND POWER CONVERSION
EFFICIENCY AS A FUNCTION OF LOAD
CURRENT
100
V+ = 5V
T_A = 25^oC
95
90
PBFF
85
80
40
32
I+
24
75
16
70
8
65
02
46
8 10 12 14 16 18 20
LOAD CURRENT I_L (mA)
FIGURE 10. SUPPLY CURRENT AND POWER CONVERSION
EFFICIENCY AS A FUNCTION OF LOAD
R_L = ∞
T_A = 25^oC
C_OSC = 0pF
11
10
9
8
7
6
5
4
3
2
0 24
LV = GND
LV = OPEN
6 8 10 12 14 16 18 20
SUPPLY VOLTAGE (V)
FIGURE 12. FREQUENCY OF OSCILLATION AS A
FUNCTION OF SUPPLY VOLTAGE
5