LT1109ACS8-12#PBF Linear Technology, LT1109ACS8-12#PBF Datasheet - Page 3

• Manufacturer Part Number: LT1109ACS8-12#PBF
• Description: IC DC/DC CONV FIXD OUT 12V 8SOIC
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LT1109ACS8-12#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V
• Current - Output: 150mA
• Frequency - Switching: 120kHz
• Voltage - Input: 2 ~ 9 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 300mW
• Primary Input Voltage: 5V
• No. Of Outputs: 1
• Output Voltage: 12V
• Output Current: 150mA
• No. Of Pins: 8
• Operating Temperature Range: 0°C To +70°C
• Msl: MSL 1 - Unlimited
• Power Dissipation Pd: 300mW
• Rohs Compliant: Yes
• Dc To Dc Converter Type: Step Up
• Pin Count: 8
• Input Voltage: 9V
• Switching Freq: 135KHz
• Package Type: SOIC N
• Output Power (max): 2W
• Output Type: Fixed
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 2V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFOR
1.4
1.2
1.0
0.8
0.6
0.4
0.2
90
85
80
75
70
0
4.2
0
Efficiency
Switch Saturation Voltage
V
V
LOAD = 120mA
L = 29 H
IN
OUT
4.4
0.2
= 5V
= 12V
4.6
0.4
INPUT VOLTAGE (V)
4.8
0.6
I
SWITCH
500
450
400
350
300
250
200
5.0
0.8
–50
Quiescent Current
V
(A)
IN
5.2
1.0
= 2V
–25
1.2
5.4
W
V
TEMPERATURE (°C)
V
IN
0
IN
5.6
1.4
A
1109A G01
= 3V
1109A G04
= 5V
U
5.8
1.6
25
CE
50
C
HARA TERISTICS
160
140
120
100
0.7
0.6
0.5
0.4
0.3
0.2
0.1
80
60
0
–50
75
–50
Oscillator Frequency
Switch Saturation Voltage
1109A G07
I
SW
100
–25
= 650mA
–25
C
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
25
25
50
50
500
450
400
350
300
250
75
75
1109A G02
1109A G05
0
Quiescent Current
T
100
A
100
2
= 25°C
4
6
INPUT VOLTAGE (V)
8
80
75
70
65
60
55
50
8
7
6
5
4
3
–50
–50
10
Duty Cycle
Switch On Time
12
–25
–25
14
TEMPERATURE (°C)
TEMPERATURE (°C)
16
0
0
1109A G08
18
25
25
20
LT1109A
50
50
75
75
1109A G03
1109A G06
3
100
100