TC1044S Datasheet, PDF (8/11 Pages) TelCom Semiconductor, Inc – CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER

Charge Pump DC-TO-DC Voltage Converter
TC1044S
TYPICAL CHARACTERISTICS (Cont.)
Output Source Resistance vs. Supply Voltage
100
70
50
30
I_OUT = 20mA
T_A = 25°C
10
1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12
SUPPLY VOLTAGE (V)
Output Source Resistance vs. Temperature
100
80
V_IN = 2.5V
60
V_IN = 5.5V
40
20
0-40 _{-20 0}
20 40 60
TEMPERATURE (°C)
80 100
Output Voltage vs. Output Current
0
-2
-4
-6
-8
-10
-120 _{10 20 30 40 50 60 70 80 90 100}
OUTPUT CURRENT (mA)
Power Conversion Efficiency vs. Load
100
90
Boost Pin = Open
80
Boost Pin = V+
70
60
50
40
30
20
10
0
LOAD CURRENT (mA)
Supply Current vs. Temperature
200
175
150
125
100
V_IN = 12.5V
75
50
V_IN = 5.5V
25
0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
TC1044S-12 9/16/96
8
© 2001 Microchip Technology Inc. DS21348A