TC1044 TELCOM [TelCom Semiconductor, Inc], TC1044 Datasheet - Page 8

• Manufacturer Part Number: TC1044
• Description: CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER
• Manufacturer: TELCOM [TelCom Semiconductor, Inc]

4-50
TC1044S
TYPICAL CHARACTERISTICS (Cont.)
Output Source Resistance vs. Supply Voltage
100
-10
-12
70
50
30
10
-2
-4
-6
-8
0
1.5
0
Output Voltage vs. Output Current
2.5 3.5
10
20
OUTPUT CURRENT (mA)
SUPPLY VOLTAGE (V)
4.5
30
5.5 6.5
40
50
7.5
200
175
150
125
100
60
75
50
25
0
8.5
-40
70
9.5
I
Supply Current vs. Temperature
OUT
T
-20
80
10.5
A
= 20mA
= 25 C
11.5
90
0
TEMPERATURE ( C)
100
12
20
40
V
V
Output Source Resistance vs. Temperature
100
100
90
80
70
60
50
40
30
20
10
IN
IN
80
60
40
20
0
0
-40
= 12.5V
= 5.5V
60
Power Conversion Efficiency vs. Load
-20
80
CHARGE PUMP DC-TO-DC
TEMPERATURE ( C)
Boost Pin = V +
100
0
TELCOM SEMICONDUCTOR, INC.
LOAD CURRENT (mA)
VOLTAGE CONVERTER
20
40
V
Boost Pin = Open
IN
= 2.5V
60
V
IN
80
= 5.5V
100