TC1220ECHTR Microchip Technology, TC1220ECHTR Datasheet - Page 9

• Manufacturer Part Number: TC1220ECHTR
• Description: IC CHARGE PUMP CONV SD SOT23A-6
• Manufacturer: Microchip Technology
• Type: Switched Capacitor (Charge Pump), Doubler, Invertingr

Specifications of TC1220ECHTR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -2.5 ~ -5.5 V, ±5 ~ ±11 V
• Current - Output: 25mA
• Frequency - Switching: 35kHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Power - Output: 240mW
• Primary Input Voltage: 5.5V
• No. Of Outputs: 1
• Output Current: 25mA
• No. Of Pins: 6
• Operating Temperature Range: -40°C To +85°C
• Peak Reflow Compatible (260 C): Yes
• Switching Frequency Max: 35kHz
• Function: Inverting, Step Up
• Output Voltage: - 2.5 V to - 5.5 V, 5 V to 11 V
• Maximum Operating Temperature: 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

5.0
Circuit of Figure 4-3, V
 2002 Microchip Technology Inc.
Note:
60
50
40
300
250
65
55
45
35
30
25
20
15
10
500
450
400
350
200
150
100
150
140
110
100
130
120
5
0
50
90
80
70
60
50
40
30
20
10
Output Voltage Ripple vs. Capacitance
2.5
0
0
2.5
0
TYPICAL CHARACTERISTICS
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.
5
Output Resistance
vs. Supply Voltage
SUPPLY VOLTAGE (V)
vs. Supply Voltage
SUPPLY VOLTAGE (V)
CAPACITANCE (µF)
V
V
IN
IN
Supply Current
3.5
10
3.5
= 4.75V, V
= 3.15V, V
TC1219
TC1219
TC1220
25
IN
= +5V, C1 = C2 = C3, T
OUT
OUT
4.5
20
4.5
= -4.0V
= -2.5V
TC1219
25
TC1220
5.5
30
5.5
300
250
500
450
400
350
200
150
100
50
65
60
55
45
40
35
30
25
20
15
50
Output Voltage Ripple vs. Capacitance
14
15
13
12
10
11
0
-40
8
9
-40
0
TC1219 Output Resistance
Pump Frequency vs. Temperature
A
V
-20
= 25°C unless otherwise noted.
IN
-20
5
vs. Temperature
= 3.3V
CAPACITANCE (µF)
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
V
V
IN
10
0
IN
0
= 4.75V, V
= 3.15V, V
TC1220
V
TC1219
V
IN
IN
20
15
V
20
= 3.3V
= 5.0V
IN
= 5.0V
40
OUT
OUT
20
40
= -4.0V
= -2.5V
60
25
60
80
30
80
TC1219/TC1220
40
35
30
25
20
15
10
30
40
35
25
20
15
10
45
45
5
0
20
5
35
30
25
0
45
40
Output Current vs. Capacitance
Output Current vs. Capacitance
-40
0
0
Pump Frequency vs. Temperature
5
V
5
-20
10
IN
V
CAPACITANCE (µF)
V
= 4.75V, V
TEMPERATURE ( ° C)
IN
CAPACITANCE ( µF)
V
IN
15
IN
10
= 4.75V, V
= 3.15V, V
0
= 3.15V, V
V
TC1220
20
TC1219
TC1220
IN
V
IN
= 3.3V
15
25
20
OUT
= 5.0V
DS21366B-page 9
30 35 40 45 50
OUT
OUT
= -4.0V
OUT
20
40
= -4.0V
= -2.5V
= -2.5V
25
60
80
30