TC1044SEPA Microchip Technology, TC1044SEPA Datasheet - Page 7

• Manufacturer Part Number: TC1044SEPA
• Description: IC CHARGE PUMP DC/DC CONV 8-DIP
• Manufacturer: Microchip Technology
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of TC1044SEPA

• Package / Case: 8-DIP (0.300", 7.62mm)
• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -1.5 ~ -12 V
• Current - Output: 20mA
• Frequency - Switching: 10kHz, 45kHz
• Voltage - Input: 1.5 ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Power - Output: 730mW
• Minimum Operating Temperature: - 40 C
• Mounting Style: Through Hole
• Function: Inverting
• Output Voltage: - 12 V to - 1.5 V
• Maximum Operating Temperature: + 85 C
• Primary Input Voltage: 12V
• No. Of Outputs: 1
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Switching Frequency Max: 45kHz
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Charge Pump DC-TO-DC Voltage Converter
TYPICAL CHARACTERISTICS
© 2001 Microchip Technology Inc.
10 F
1000
C 1
800
600
400
200
12
10
8
6
4
2
0
-40
0
-40
+
Supply Current vs. Temperature
Unloaded Osc Freq vs. Temperature
Figure 10. Positive Voltage Conversion
-20
-20
1
2
3
4
(with Boost Pin = V
TC1044S
TEMPERATURE ( C)
0
0
TEMPERATURE ( C)
DS21348A
20
20
8
7
6
5
V OUT = –V –
1 M
40
40
V – INPUT
IN
60
60
)
V
V
V
V
IN
IN
IN
IN
= 12V
80
80
= 5V
= 12V
= 5V
+
10 F
100
100
7
101.0
100.5
100.0
V OUT =
R L1
V + –V –
R L2
99.5
99.0
98.5
98.0
60
50
40
30
20
10
2
0
Unloaded Osc Freq vs. Temperature
-40
1
+
50
2
F
Figure 11. Splitting a Supply in Half
-20
50 F
3
with Boost Pin = V
50
100
k
F
INPUT VOLTAGE V
Voltage Conversion
4
0
+
+
100
k
TEMPERATURE ( C)
5
20
6
1
2
3
4
TC1044S
7
40
IN
(V)
V
8
IN
IN
= 12V
60
Without Load
9
10K Load
TC1044S
8
7
6
5
TC1044S-12 9/16/96
V
IN
T
10
1 M
A
= 5V
80
= 25 C
11
V +
V –
100
12