LT1107 Linear Technology, LT1107 Datasheet - Page 2

• Manufacturer Part Number: LT1107
• Description: Micropower DC/DC Converter Adjustable and Fixed 5V/ 12V
• Manufacturer: Linear Technology

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
ELECTRICAL C
V
SYMBOL
I
V
V
f
t
V
2
PACKAGE/ORDER I FOR ATIO
Q
OSC
ON
IN
OUT
OL
IN
BSOLUTE
= 3V, military or commercial version, T
8-LEAD CERAMIC DIP
SW1
SW2
I
J8 PACKAGE
LIM
V
IN
T
T
JMAX
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
Feedback Pin Bias Current
Set Pin Bias Current
Gain Block Output Low
Reference Line Regulation
1
2
3
4
* FIXED VERSIONS
= 150 C,
= 90 C,
TOP VIEW
JA
IN
W
JA
8-LEAD PLASTIC DIP
= 130 C/W (N)
) ............................................... 36V
SW1
SW2
= 120 C/W (J)
N8 PACKAGE
A
HARA TERISTICS
8
7
6
5
) ......................................... 50V
) ............................ – 0.5V to V
XI
FB (SENSE)*
SET
AO
GND
W
U
C
U
W
A
R
= 25 C, unless otherwise noted.
A
LT1107CN8
LT1107CN8-5
LT1107CN8-12
LT1107MJ8
LT1107MJ8-5
LT1107MJ8-12
ORDER PART
W
TI
NUMBER
U
G
S
U
Step-Up Mode
Full Load
CONDITIONS
Switch OFF
No Load
Step-Down Mode
LT1107 (Note 1)
LT1107-5 (Note 2)
LT1107-12 (Note 2)
LT1107
LT1107-5
LT1107-12
I
LT1107, V
V
I
5V V
LIM
SINK
IN
SET
Tied to V
= V
= 300 A, V
IN
REF
Maximum Switch Current ...................................... 1.5A
Operating Temperature Range
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
FB
30V
= 0V
IN
SW1
SW2
LT1107C ................................................ 0 C to 70 C
LT1107M ........................................ – 55 C to 125 C
I
LIM
V
IN
SET
T
JMAX
1
2
3
4
8-LEAD PLASTIC SO
= 1V
*FIXED VERSIONS
= 90 C,
LT1107-5
LT1107-12
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
0.15
0.02
TYP
320
550
360
12
32
75
63
70
11
70
70
S8 PART MARKING
5
8
ORDER PART
LT1107CS8
LT1107CS8-5
LT1107CS8-12
NUMBER
12.60
0.075
MAX
1107
11075
110712
12.6
30.0
12.5
12.7
450
120
120
300
1.3
5.25
0.4
76
50
77
UNITS
%/V
kHz
mV
mV
mV
nA
nA
%
A
A
A
V
V
V
V
V
V
s