LT1107CS8 Linear Technology, LT1107CS8 Datasheet - Page 2

• Manufacturer Part Number: LT1107CS8
• Description: IC DC/DC CONV ADJUSTBL OUT 8SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost), Invertingr

Specifications of LT1107CS8

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 400mA
• Frequency - Switching: 63kHz
• Voltage - Input: 2 ~ 30 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

LT1107
A
Supply Voltage (V
SW1 Pin Voltage (V
SW2 Pin Voltage (V
Feedback Pin Voltage (LT1107) ................................ 5V
Sense Pin Voltage (LT1107-5, LT1107-12) ............ 36V
Maximum Power Dissipation ............................ 500mW
Set Pin Voltage ...................................................... 5.5V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL C
temperature range, V
SYMBOL
I
V
V
f
t
PACKAGE/ORDER I FOR ATIO
2
Q
OSC
ON
IN
OUT
BSOLUTE
SW1
SW2
I
T
LIM
V
T
JMAX
IN
JMAX
PARAMETER
Quiescent Current
Quiescent Current, Step-Up Mode Configuration
Input Voltage
Comparator Trip Point Voltage
Output Sense Voltage
Comparator Hysteresis
Output Hysteresis
Oscillator Frequency
Duty Cycle, Step-Up Mode
Switch ON Time, Step-Up Mode
8-LEAD CERAMIC DIP
1
2
3
4
8-LEAD PLASTIC DIP
= 150 C,
* FIXED VERSIONS
= 90 C,
N8 PACKAGE
J8 PACKAGE
TOP VIEW
Consider the N8 Package for Alternate Source
OBSOLETE PACKAGE
JA
JA
IN
W
IN
= 130 C/W (N)
= 120 C/W (J)
) ............................................... 36V
SW1
SW2
= 3V, military or commercial version, T
A
HARA TERISTICS
) ......................................... 50V
) ............................ – 0.5V to V
XI
8
7
6
5
FB (SENSE)*
SET
AO
GND
W
U
C
U
W
R
LT1107MJ8
LT1107MJ8-5
LT1107MJ8-12
A
LT1107CN8
LT1107CN8-5
LT1107CN8-12
ORDER PART
W
TI
NUMBER
U
G
S
The
U
(Note 1)
CONDITIONS
Switch OFF
No Load
Step-Up Mode
Step-Down Mode
LT1107 (Note 2)
LT1107-5 (Note 3)
LT1107-12 (Note 3)
LT1107
LT1107-5
LT1107-12
Full Load
I
LIM
IN
A
= 25 C, unless otherwise noted.
denotes the specifications which apply over the full operating
Tied to V
Maximum Switch Current ...................................... 1.5A
Operating Temperature Range
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
IN
LT1107C ................................................ 0 C to 70 C
LT1107I ............................................ –45 C to 85 C
LT1107M(OBSOLETE) ............... – 55 C to 125 C
SW1
SW2
I
LIM
V
IN
T
JMAX
1
2
3
4
8-LEAD PLASTIC SO
*FIXED VERSIONS
LT1107-5
LT1107-12
= 90 C,
S8 PACKAGE
TOP VIEW
JA
= 150 C/W
8
7
6
5
FB(SENSE)*
SET
AO
GND
11.40
MIN
1.2
4.75
8.8
50
64
2
1.25
TYP
320
360
550
12
32
75
63
70
11
S8 PART MARKING
5
8
ORDER PART
LT1107CS8
LT1107CS8-5
LT1107CS8-12
LT1107IS8
NUMBER
12.60
MAX
1107
11075
110712
1107I
12.6
30.0
12.5
12.7
450
120
1.3
5.25
50
77
76
UNITS
1107fa
kHz
mV
mV
mV
%
A
A
A
V
V
V
V
V
s