LT1614 Linear Technology, LT1614 Datasheet - Page 2

• Manufacturer Part Number: LT1614
• Description: Inverting 600kHz Switching Regulator
• Manufacturer: Linear Technology

A
V
SW Voltage ............................................... – 0.4V to 30V
NFB Voltage ............................................................ – 3V
V
LBI Voltage ............................................ 0V V
Current into FB Pin .............................................. 1mA
Junction Temperature ........................................... 125 C
LT1614
PACKAGE/ORDER I FOR ATIO
Consult factory for Military grade parts.
Commercial Grade 0 C to 70 C. V
PARAMETER
Quiescent Current
Feedback Voltage
NFB Pin Bias Current (Note 2)
Reference Line Regulation
Minimum Input Voltage
Maximum Input Voltage
Error Amp Transconductance
Error Amp Voltage Gain
Switching Frequency
Maximum Duty Cycle
Switch Current Limit (Note 3)
2
ELECTRICAL C
IN
C
BSOLUTE
, SHDN, LBO Voltage ......................................... 12V
Voltage ................................................................ 2V
SHDN
GND
NFB
V
T
C
JMAX
8-LEAD PLASTIC MSOP
1
2
3
4
= 125 C,
MS8 PACKAGE
TOP VIEW
JA
W
= 160 C/W
A
8
7
6
5
HARA TERISTICS
LBO
LBI
V
SW
XI
IN
W
IN
U
= 1.5V, V
C
U
W
MS8 PART MARKING
R
ORDER PART
LT1614CMS8
SHDN
A
W
NUMBER
TI
LTEJ
= V
U
IN
G
, T
LBI
S
A
CONDITIONS
V
V
1V V
2V V
SHDN
NFB
I = 5 A
= 25 C unless otherwise noted.
U
1V
= –1.24V
IN
IN
= 0V
2V
6V
Operating Temperature Range
Extended Commercial
Temperature Range (Note 1) .................. – 40 C to 85 C
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
SHDN
LT1614C ................................................. 0 C to 70 C
LT1614I ............................................. – 40 C to 85 C
GND
NFB
V
C
T
JMAX
1
2
3
4
8-LEAD PLASTIC SO
= 125 C,
S8 PACKAGE
TOP VIEW
JA
= 120 C/W
8
7
6
5
LBO
LBI
V
SW
IN
– 1.21
– 2.5
0.75
MIN
500
73
70
– 1.24
S8 PART MARKING
– 4.5
0.92
TYP
100
600
0.6
0.3
1.2
16
80
80
1
5
ORDER PART
LT1614CS8
LT1614IS8
NUMBER
1614
1614I
– 1.27
MAX
750
1.1
0.8
– 7
10
2
1
6
UNITS
mhos
%/V
%/V
kHz
V/V
mA
%
%
A
V
A
V
V
A