TC7660EOA Microchip Technology, TC7660EOA Datasheet - Page 3

• Manufacturer Part Number: TC7660EOA
• Description: IC CHARGE PUMP DC/DC CONV 8-SOIC
• Manufacturer: Microchip Technology
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of TC7660EOA

• Package / Case: 8-SOIC (3.9mm Width)
• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -1.5 ~ -10 V
• Current - Output: 20mA
• Frequency - Switching: 10kHz
• Voltage - Input: 1.5 ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Power - Output: 470mW
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Function: Inverting
• Output Voltage: - 10 V to - 1.5 V
• Output Current: 20 mA
• Maximum Operating Temperature: + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

2.0
Note: Unless otherwise indicated, C
FIGURE 2-1:
Temperature.
FIGURE 2-2:
vs. Supply Voltage.
FIGURE 2-3:
Oscillator Capacitance.
2002 Microchip Technology Inc.
Note:
TYPICAL PERFORMANCE CURVES
12
10
100
10k
100
8
6
4
2
0
10k
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
10
1k
10
-55
1k
1
SUPPLY VOLTAGE RANGE
0
OSCILLATOR CAPACITANCE (pF)
-25
1
10
TEMPERATURE ( C)
0
SUPPLY VOLTAGE (V)
2
Operating Voltage vs.
Output Source Resistance
Frequency of Oscillation vs.
+25
3
100
+50
4
+75 +100 +125
5
1000
1
V + = +5V
= C
6
2
7
= 10 µF, ESR
10k
8
C1
= ESR
FIGURE 2-4:
Efficiency vs. Oscillator Frequency.
FIGURE 2-5:
vs. Temperature.
FIGURE 2-6:
Frequency vs. Temperature.
C2
= 1 , T
500
450
400
200
150
100
100
50
20
18
16
14
12
10
98
96
94
92
90
88
86
84
82
80
0
8
6
-55
-55
100
A
I
V + = +5V
OUT
V + = +2V
V + = +5V
I
I
V + = +5V
OUT
OUT
= 25°C. See Figure 1-1.
-25
-25
OSCILLATOR FREQUENCY (Hz)
= 1 mA
= 1 mA
= 15 mA
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
Power Conversion
Output Source Resistance
Unloaded Oscillator
+25
+25 +50
1k
+50
+75 +100 +125
TC7660
+75 +100 +125
DS21465B-page 3
10k