LTC1144IS8#TRPBF Linear Technology, LTC1144IS8#TRPBF Datasheet - Page 3

• Manufacturer Part Number: LTC1144IS8#TRPBF
• Description: IC VOLT CONV SW-CAP W/SHTDN8SOIC
• Manufacturer: Linear Technology
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of LTC1144IS8#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Current - Output: 50mA
• Frequency - Switching: 4kHz ~ 10kHz
• Voltage - Input: 2 ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 500mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -

TYPICAL PERFORMANCE CHARACTERISTICS
1000
0.01
100
300
250
200
150
100
0.1
–2
–3
–4
–5
10
–1
50
EXTERNAL CAPACITANCE (PIN 7 TO GND), C
0
0
1
Oscillator Frequency as a
Function of C
1
2
0
Output Resistance
vs Supply Voltage
Output Voltage vs Load Current
T
T
V
T
V
C1 = C2 = 10 F
BOOST = OPEN
A
A
A
+
+
BOOST = OPEN OR GROUND
= 25°C
= 25°C
= 25°C
= 5V
= 15V
4
5
R
OUT
10
6
LOAD CURRENT (mA)
SUPPLY VOLTAGE (V)
= 90
10
8
OSC
100
10
15
BOOST = V
12
20
1000
14
W
LTC1144 • TPC04
LTC1144 • TPC07
LTC1144 • TPC01
+
25
16
OSC
U
10000
30
18
(pF)
10000
1000
100
10
1
0.01
1000
100
140
120
100
Supply Current as a Function of
Oscillator Frequency
10
80
60
40
20
1
T
C1 = C2 = 10 F
–55
–55 –25
A
Output Resistance vs Temperature
Oscillator Frequency
vs Temperature
= 25°C
T
V
A
OSCILLATOR FREQUENCY (kHz)
+
–25
= 25°C
= 15V
0.1
I
0
0
L
TEMPERATURE (°C)
V
TEMPERATURE (°C)
V
= 3mA
+
+
= 5V
BOOST = OPEN OR GROUND
= 15V
1
25
25
V
I
L
+
50
= 20mA
50
= 15V
V
BOOST = V
+
10
= 5V
75
75
LTC1144 • TPC08
LTC1144 • TPC05
LTC1144 • TPC02
100
100
+
100
125
125
100
80
60
40
20
0
Power Conversion Efficiency and
Supply Current vs Load Current
0
1000
–10
100
–15
–5
10
1
0
0
2
10
Oscillator Frequency
vs Supply Voltage
Output Voltage vs Load Current
T
V
C1 = C2 = 10 F
BOOST = OPEN
T
C
A
+
A
P
OSC
= 25°C
= 15V
EFF
LOAD CURRENT (mA)
= 25°C
4
10
= 0
BOOST = OPEN OR GROUND
20
6
LOAD CURRENT (mA)
SUPPLY VOLTAGE (V)
20
BOOST = V
8
R
T
V
C1 = C2 = 10 F
BOOST = OPEN
(SEE TEST CIRCUIT)
A
OUT
+
30
= 25°C
= 15V
10
30
I
= 56
S
LTC1144
+
12
40
LTC1144 • TPC09
40
14
LTC1144 • TPC03
LTC1144 • TPC06
50
50
16
100
80
60
40
20
0
3
18
60