LT1317CS8 Linear Technology, LT1317CS8 Datasheet - Page 4

• Manufacturer Part Number: LT1317CS8
• Description: IC BOOST ADJ .5A 8SOIC
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LT1317CS8

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.24 ~ 30 V
• Current - Output: 500mA
• Frequency - Switching: 620kHz
• Voltage - Input: 1.5 ~ 12 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LT1317/LT1317B
TYPICAL PERFOR A CE CHARACTERISTICS
4
1200
1000
1.25
1.24
1.23
1.22
1.21
1.20
700
650
600
550
500
800
600
400
200
–50
0
Switch Current Limit
0
Feedback Voltage
Oscillator Frequency
MINIMUM (25 C)
–25
2
20
25 C
TEMPERATURE ( C)
DUTY CYCLE (%)
0
4
INPUT VOLTAGE
40
TYPICAL
25
6
60
50
–40 C
8
85 C
W
80
75
10
1317 TPC01
1317 TPC04
1317 TPC07
U
100
12
100
800
600
400
200
203
202
201
200
199
198
197
196
195
0
6
5
4
3
2
1
0
–50
–50
0
Burst Mode Current Limit (LT1317)
LBI Input Bias Current
LBI Reference Voltage
V
L = 10 H
IN
–25
–25
= 2V
20
TEMPERATURE ( C)
TEMPERATURE ( C)
DUTY CYCLE (%)
0
0
40
25
25
60
50
50
80
75
75
1317 TPC05
1317 TPC02
1317 TPC08
100
100
100
1000
900
800
700
600
500
700
600
500
400
300
200
100
110
100
90
80
70
60
50
40
30
0
–50
–50
0
Switch Voltage Drop (V
Quiescent Current, SHDN = 2V
Switch Current Limit,
Duty Cycle = 30%
–25
–25
0.2
SWITCH CURRENT (A)
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
0.4
25
25
0.6
50
50
CESAT
0.8
75
75
)
85 C
25 C
–40 C
1317 TPC03
1317 TPC06
1317 TPC09
100
100
1