LT1618 LINER [Linear Technology], LT1618 Datasheet - Page 2

• Manufacturer Part Number: LT1618
• Description: Constant-Current/ Constant-Voltage 1.4MHz Step-Up DC/DC Converter
• Manufacturer: LINER [Linear Technology]

ABSOLUTE AXI U RATI GS
(Note 1)
LT1618
V
SW Voltage .............................................................. 36V
ISP, ISN Voltage ...................................................... 36V
I
FB Voltage .............................................................. 1.5V
V
Junction Temperature ........................................... 125 C
Operating Temperature Range (Note 2) .. – 40 C to 85 C
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
temperature range, otherwise specifications are at T
PARAMETER
Input Voltage
Quiescent Current
Reference Voltage
Reference Voltage Line Regulation
FB Pin Bias Current
Error Amplifier Voltage Gain
Error Amplifier Transconductance
Error Amplifier Sink Current
Error Amplifier Source Current
Current Sense Voltage (ISP, ISN)
ISP, ISN Pin Bias Currents (Note 3)
(ISP, ISN) Common Mode Minimum Voltage
Switching Frequency
Maximum Switch Duty Cycle
Switch Current Limit
Switch V
2
ELECTRICAL CHARACTERISTICS
ADJ
IN
C
Voltage .............................................................. 1.5V
, SHDN Voltage ................................................... 18V
Voltage ............................................................... 6V
CESAT
W
W W
U
A
CONDITIONS
V
V
Measured at FB Pin
1.6V < V
V
V
V
V
V
V
V
I
SW
SHDN
SHDN
FB
FB
FB
FB
ISP
FB
FB
= 25 C. V
I
C
= 1.263V, V
= 5 A
= 1.35V, V
= 1.10V, V
= 0V, V
= 1V
= 0V
= 1A
= 1.85V, V
The
= 1.6V, Not Switching
= 0V
IN
< 18V
IADJ
IN
denotes specifications which apply over the full operating
C
C
= 1.6V, V
ISN
IN
= 0V
= 1V
= 1V
= 1.8V
= 1.80V, V
Consult LTC marketing for parts specified with wider operating temperature ranges.
PACKAGE/ORDER I FOR ATIO
SHDN
GND
I
ISN
ISP
ADJ
IADJ
FB
T
JMAX
= 1.6V, unless otherwise noted.
10-LEAD PLASTIC MSOP
1
2
3
4
5
= 0V
= 125 C,
MS10 PACKAGE
TOP VIEW
JA
= 160 C/W
10
9
8
7
6
V
SHDN
V
SW
N/C
1.250
1.243
47.5
1.25
C
IN
MIN
1.6
1.5
88
U
1.263
1.263
0.01
TYP
180
160
550
200
1.8
0.1
1.4
2.1
15
30
50
50
92
2
ORDER PART
LT1618EMS
MS10 PART
MARKING
NUMBER
W
LTNH
1.276
1.283
MAX
0.03
52.5
260
2.7
1.8
1.6
2.8
18
80
1
12
UNITS
U
mho
MHz
%/V
kHz
V/V
mA
mV
mV
nA
%
V
A
V
V
A
A
A
V
A