參數(shù)資料
型號: LTC660CS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 100mA CMOS Voltage Converter
中文描述: SWITCHED CAPACITOR CONVERTER, 45 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁數(shù): 3/12頁
文件大?。?/td> 262K
代理商: LTC660CS8
3
LTC660
TYPICAL PERFOR
M
A
N
CE CHARACTERISTICS
(Using Test Circuit in Figure 1)
Output Voltage and Efficiency
vs Load Current, V
+
= 5V
LOAD CURRENT (mA)
0
O
E
–3.8
–3.4
–3.0
80
LTC660 TPC06
–4.2
–4.6
–5.0
84
92
100
76
68
80
88
96
72
64
60
20
40
60
10
90
30
50
70
100
LTC660
EFFICIENCY
LTC660
OUTPUT VOLTAGE
T
= 25
°
C
BOOST = OPEN
OSCILLATOR FREQUENCY (kHz)
0.1
40
O
)
50
60
70
80
1
10
100
LTC660 TPC03
30
20
10
0
90
100
C1 = C2 = 22
μ
F
C1 = C2 = 150
μ
F
C1 = C2 = 1500
μ
F
T
A
= 25
°
C
V
+
= 5V
BOOST = OPEN
Output Resistance
vs Oscillator Frequency
LOAD CURRENT (mA)
0
E
90
100
80
LTC660 TPC07
80
70
85
95
75
65
60
20
40
60
10
90
30
50
70
100
V
+
= 5.5V
T
= 25
°
C
BOOST = OPEN
V
+
= 4.5V
V
+
= 3.5V
V
+
= 2.5V
V
+
= 1.5V
Efficiency vs Load Current
SUPPLY VOLTAGE (V)
0
0
O
)
2
6
8
10
2
18
LTC690 TPC04
4
1
3
4
5
6
12
14
16
T
= 25
°
C
BOOST = OPEN
Output Resistance
vs Supply Voltage
TEMPERATURE (
°
C)
–60
O
)
15
20
25
100
LTC660 TPC05
10
5
0
–20
20
60
140
80
–40
0
40
120
V
+
= 1.5V
BOOST = OPEN
V
+
= 3V
V
+
= 5V
Output Resistance vs Temperature
Output Voltage Drop
vs Load Current
LOAD CURRENT (mA)
0
O
S
0.8
1.0
80
LTC660 TPC09
0.6
0.4
0.7
0.9
0.5
0.3
0.2
0.1
0
20
40
60
10
90
30
50
70
100
V
+
= 5.5V
T
= 25
°
C
BOOST = OPEN
V
+
= 2.5V
V
+
= 1.5V
V
+
= 3.5V
V
+
= 4.5V
Efficiency vs Load Current
LOAD CURRENT (mA)
0
E
90
100
80
LTC660 TPC08
80
70
85
95
75
65
60
20
40
60
10
90
30
50
70
100
V
+
= 5.5V
T
= 25
°
C
BOOST = V
+
V
+
= 3.5V
V
+
= 2.5V
V
+
= 1.5V
V
+
= 4.5V
SUPPLY VOLTAGE (V)
1.5
0
S
μ
A
50
100
150
200
2.5
3.5
4.5
5.5
LTC660 G01
250
300
2
3
4
5
BOOST = V
+
BOOST = OPEN
T
A
= 25
°
C
Supply Current vs Supply Voltage
OSCILLATOR FREQUENCY (kHz)
10
100
S
μ
A
1000
0.01
1
10
1000
LTC660 G02
1
0.1
100
T
A
= 25
°
C
V
+
= 5V
Supply Current
vs Oscillator Frequency
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