ICL7662_06 Datasheet, PDF (4/10 Pages) Intersil Corporation – CMOS Voltage Converter

ICL7662
Typical Performance Curves (See Figure 14, Test Circuit)
190
170
LV = GND
150
130
110
I_L = 20mA
T_A = 25^oC
C_OSC = 0pF
90
70
50
LV = OPEN
30
0 2 4 6 8 10 12 14 16 18 20
V+ (V)
FIGURE 1. OUTPUT SOURCE RESISTANCE AS A
FUNCTION OF SUPPLY VOLTAGE
190
170
LV = GND
TI^LA==32m5AoC
C_OSC = 0pF
150
130
110
90
70
LV = OPEN
50
30
0 2 4 6 8 10 12 14 16 18 20
V+ (V)
FIGURE 2. OUTPUT SOURCE RESISTANCE AS A
FUNCTION OF SUPPLY VOLTAGE
180
170
160
150
140
130
120
110
100
90
80
70
60
50
-55
-20 0 25
70
TEMPERATURE (^oC)
V+ = 5V
I_L = 3mA
V+ = 15V
I_L = 20mA
125
FIGURE 3. OUTPUT SOURCE RESISTANCE AS A
FUNCTION OF TEMPERATURE
11 _{RL = ∞}
10 T_A = 25^oC
9 ^{COSC = 0pF}
8
7
6
5 _{LV = GND}
4
3
LV = OPEN
2
0 2 4 6 8 10 12 14 16 18 20
SUPPLY VOLTAGE (V)
FIGURE 5. OSClLLATOR FREQUENCY vs SUPPLY VOLTAGE
NOTE: All typical values have been characterized but are not tested.
100
350
95
300
90
P_EFF
85
80
250
200
R_O
150
75
70
65
100
100
V+ = 5V
I_L = 3mA
50
T_A = 25^oC
1K
10K
F_OSC (Hz)
100K
FIGURE 4. POWER CONVERSION EFFICIENCY AND
OUTPUT SOURCE RESISTANCE AS A
FUNCTION OF OSCILLATOR FREQUENCY
10K
V+ = 15V
T_A = 25^oC
R_L = ∞
1K
100
10
1
10
100
1000
10K
C_OSC (pF)
FIGURE 6. FREQUENCY OF OSCILLATION AS A FUNCTION
OF EXTERNAL OSCILLATOR CAPACITANCE
4