TC7660SCOA Microchip Technology, TC7660SCOA Datasheet - Page 7

• Manufacturer Part Number: TC7660SCOA
• Description: IC CHARGE PUMP DC/DC CONV 8-SOIC
• Manufacturer: Microchip Technology
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of TC7660SCOA

• Package / Case: 8-SOIC (3.9mm Width)
• 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: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Power - Output: 470mW
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Function: Inverting/Step Up
• Output Voltage: - 12 V to - 1.5 V or 3 V to 24 V
• Output Current: 20 mA
• Maximum Operating Temperature: + 70 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 158-1067; 158-1067

SUPER CHARGE PUMP DC-TO-DC
VOLTAGE CONVERTER
TYPICAL CHARACTERISTICS
© 2001 Microchip Technology Inc.
10 F
1000
800
600
400
200
C 1
12
10
0
8
6
4
2
0
-40
-40
+
Unloaded Osc Freq vs. Temperature
Supply Current vs. Temperature
-20
-20
Figure 10. Positive Voltage Multiplier
1
2
3
4
(with Boost Pin = V
TC7660S
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
DS21467A
20
20
8
7
6
5
V OUT = –V –
40
40
1 M
V – INPUT
60
60
IN
V
V
)
IN
V
V
IN
IN
IN
= 12V
= 5V
80
80
= 5V
= 12V
+
10 F
100
100
7
101.0
100.5
100.0
99.5
99.0
98.5
98.0
R
R
V
L2
L1
V
60
50
40
30
20
10
OUT
+
0
–V
2
Unloaded Osc Freq vs. Temperature
-40
1
=
–
50 F
2
Figure 11. Splitting a Supply in Half
-20
+
–
3
with Boost Pin = V
50 F
50 F
INPUT VOLTAGE V
Voltage Conversion
TEMPERATURE ( C)
4
0
100 k
+
–
+
5
20
6
1
2
3
4
7
TC7660S
40
IN
(V)
V
8
IN
IN
= 12V
60
Without Load
9
10K Load
V
TC7660S
8
7
6
5
IN
T
10
TC7660S-14 9/16/96
A
= 5V
80
1 M
= 25 C
11
100
12
V
V
+
–