LTC660CS8#TR Linear Technology, LTC660CS8#TR Datasheet - Page 3
LTC660CS8#TR
Manufacturer Part Number
LTC660CS8#TR
Description
IC DBLR/INV ADJ .1A 8SOIC
Manufacturer
Linear Technology
Type
Doubler, Invertingr
Datasheet
1.LTC660CS8PBF.pdf
(12 pages)
Specifications of LTC660CS8#TR
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
-1.5 ~ -5.5 V, 5 ~ 11 V
Current - Output
100mA
Frequency - Switching
10kHz, 80kHz
Voltage - Input
1.5 ~ 5.5 V, 2.5 ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Power - Output
500mW
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFORMANCE CHARACTERISTICS
150
300
250
200
100
100
18
16
14
12
10
50
95
90
85
80
75
70
65
60
8
6
4
2
0
0
1.5
0
Output Resistance
vs Supply Voltage
Supply Current vs Supply Voltage
Efficiency vs Load Current
0
T
V
A
10
+
= 25 C
2
= 1.5V
1
20
2.5
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
30
BOOST = V
2
3
40
BOOST = OPEN
3.5
3
50
+
60
4
V
4
T
BOOST = OPEN
BOOST = OPEN
+
A
70
= 2.5V
= 25 C
4.5
W
LTC690 • TPC04
T
V
V
V
80
A
5
LTC660 • TPC07
+
+
+
LTC660 • G01
= 25 C
= 5.5V
= 3.5V
= 4.5V
5
90
U
100
5.5
6
25
20
15
10
5
0
1000
–60
100
Output Resistance vs Temperature
100
95
90
85
80
75
70
65
60
10
BOOST = OPEN
1
0.01
–40
Efficiency vs Load Current
0
Supply Current
vs Oscillator Frequency
T
V
10
A
–20
+
= 25 C
= 5V
20
OSCILLATOR FREQUENCY (kHz)
0.1
V
0
TEMPERATURE ( C)
+
= 1.5V
LOAD CURRENT (mA)
30
20
V
+
40
= 1.5V
40
1
50
V
60
V
+
+
= 3V
= 2.5V
60
V
10
80
+
V
= 4.5V
+
70
100
= 5V
BOOST = V
LTC660 • TPC05
V
T
V
80
100
120
A
+
+
LTC660 • TPC08
= 25 C
= 5.5V
= 3.5V
(Using Test Circuit in Figure 1)
LTC660 • G02
90
140
+
100
1000
–3.0
–3.4
–4.2
–4.6
–5.0
–3.8
Output Voltage and Efficiency
vs Load Current, V
0
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
10
0
0
0.1
EFFICIENCY
Output Resistance
vs Oscillator Frequency
Output Voltage Drop
vs Load Current
0
LTC660
20
T
BOOST = OPEN
A
OUTPUT VOLTAGE
10
= 25 C
LOAD CURRENT (mA)
30
V
OSCILLATOR FREQUENCY (kHz)
20
+
LTC660
40
= 1.5V
LOAD CURRENT (mA)
30
50
1
+
40
60
= 5V
C1 = C2 = 150 F
T
BOOST = OPEN
50
C1 = C2 = 1500 F
A
V
70
+
C1 = C2 = 22 F
= 25 C
V
+
= 5.5V
60
LTC660
= 2.5V
80
T
V
BOOST = OPEN
10
LTC660 • TPC06
A
+
70
= 25 C
= 5V
90
V
V
LTC660 • TPC03
80
100
+
+
LTC660 • TPC09
= 3.5V
= 4.5V
100
96
92
88
76
72
68
64
60
84
80
90
3
100
100