TC660 TELCOM [TelCom Semiconductor, Inc], TC660 Datasheet - Page 3

• Manufacturer Part Number: TC660
• Description: 100mA CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER
• Manufacturer: TELCOM [TelCom Semiconductor, Inc]

100mA CHARGE PUMP DC-TO-DC
VOLTAGE CONVERTER
TYPICAL CHARACTERISTICS
All curves are generated using the test circuit of Figure 1 with V
otherwise noted.
7)
1)
4)
600
500
400
300
200
100
2.0
1.6
1.2
0.8
0.4
15
12
9
6
3
0
TELCOM SEMICONDUCTOR, INC.
0
0
0.5
1.5
Output Source Resistance
0
1.0
2.0
Output Voltage Drop
V + = 2.5V
vs. Supply Voltage
Supply Current vs.
1.5
20
vs. Load Current
SUPPLY VOLTAGE (V)
Supply Voltage
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
2.5
2.0
V + = 1.5V
DOUBLER MODE
3.0
LV = GND
2.5
LV = OUT
40
3.5
3.0 3.5 4.0
60
4.0
V + = 3.5V
V + = 5.5V
LV = OPEN
4.5
V + = 4.5V
4.5
80
5.0
5.0
100
5.5
5.5
5)
8)
10,000
2)
1000
-5.0
-4.5
-4.0
-3.5
-3.0
100
10
16
14
12
10
8
6
4
-40
1
0.1 0.2 0.4
0.01
OSCILLATOR FREQUENCY (kHz)
Output Source Resistance
OSCILLATOR FREQUENCY (kHz)
-20
Oscillator Frequency
Oscillator Frequency
I LOAD = 1mA
DOUBLER MODE
Output Voltage vs.
Supply Current vs.
TEMPERATURE ( C)
V + = 1.5VDC
vs. Temperature
0.1
0
V + = 3VDC
1
20
2
1
4
INVERTING MODE
40
I LOAD = 10mA
+
V + = 5VDC
I LOAD = 80mA
= 5V, LV = GND, FC = open, and T
10 20 40
60
10
80
100
100
100
9)
6)
3)
100
100
96
92
88
84
80
76
72
68
64
60
92
84
76
68
60
12
10
8
6
4
2
0
0.1 0.2 0.4
1.0
0
OSCILLATOR FREQUENCY (kHz)
1.5
Oscillator Frequency
Oscillator Frequency
vs. Supply Voltage
20
2.0
FC = OPEN, OSC = OPEN
SUPPLY VOLTAGE (V)
Efficiency vs.
Load Current
LOAD CURRENT (mA)
Efficiency vs.
LV GROUNDED
V + = 3.5V
2.5 3.0 3.5 4.0 4.5 5.0 5.5
1
40
I LOAD = 1mA
2
V + = 1.5V
A
4
V + = 2.5V
= +25 C, unless
60
I LOAD = 10mA
10 20 40
V + = 5.5V
V + = 4.5V
LV OPEN
I LOAD =
TC660
80
80mA
100
100
4-7
1
2
3
4
5
6
7
8