LT3690 LINER [Linear Technology], LT3690 Datasheet - Page 2

• Manufacturer Part Number: LT3690
• Description: 42V, 2.5A Synchronous Step-Down Regulator
• Manufacturer: LINER [Linear Technology]

ABSOLUTE MAXIMUM RATINGS
LT8610
(Note 1)
V
BIAS ..........................................................................30V
BST Pin Above SW Pin................................................4V
FB, TR/SS, RT, INTV
SYNC Voltage . ............................................................6V
Operating Junction Temperature Range (Note 2)
Storage Temperature Range ......................–65 to 150°C
ORDER INFORMATION
LEAD FREE FINISH
LT8610EMSE#PBF
LT8610IMSE#PBF
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifications, go to:
ELECTRICAL CHARACTERISTICS
PARAMETER
Minimum Input Voltage
V
V
Feedback Reference Voltage
Feedback Voltage Line Regulation
Feedback Pin Input Current
INTV
INTV
BIAS Pin Current Consumption
Minimum On-Time
Minimum Off-Time
2
temperature range, otherwise specifications are at T
IN
IN
IN
LT8610E ................................................. –40 to 125°C
LT8610I .................................................. –40 to 125°C
Quiescent Current
Current in Regulation
, EN/UV, PG ..........................................................42V
CC
CC
Voltage
Undervoltage Lockout
CC
TAPE AND REEL
LT8610EMSE#TRPBF
LT8610IMSE#TRPBF
. ..............................................4V
CONDITIONS
V
V
V
V
V
V
V
V
V
I
I
V
I
I
LOAD
LOAD
LOAD
LOAD
EN/UV
EN/UV
EN/UV
OUT
OUT
IN
IN
IN
FB
BIAS
= 6V, I
= 6V, I
= 4.0V to 42V, I
= 1V
= 0.97V, V
= 0.97V, V
= 0mA, V
= 0mA, V
= 3.3V, I
= 1A, SYNC = 0V
= 1A, SYNC = 3.3V
= 0V, V
= 2V, Not Switching, V
= 2V, Not Switching, V
LOAD
LOAD
http://www.linear.com/leadfree/
PART MARKING*
8610
8610
SYNC
LOAD
BIAS
BIAS
= 0.5A
= 0.5A
IN
IN
http://www.linear.com/tapeandreel/
A
= 6V, Output Load = 100μA
= 6V, Output Load = 1mA
LOAD
= 3.3V
= 0V
= 0V
= 1A, 2MHz
= 25°C.
= 0.5A
The
SYNC
SYNC
l
denotes the specifications which apply over the full operating
= 0V
= 2V
PIN CONFIGURATION
PACKAGE DESCRIPTION
16-Lead Plastic MSOP
16-Lead Plastic MSOP
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
EN/UV
TR/SS
PGND
PGND
SYNC
V
V
RT
IN
IN
l
l
l
l
l
l
l
l
l
θ
JA
1
2
3
4
5
6
7
8
16-LEAD PLASTIC MSOP
= 40°C/W, θ
0.967
0.958
MSE PACKAGE
3.23
3.25
MIN
–20
2.5
30
30
50
TOP VIEW
GND
17
JC(PAD)
0.970
0.970
0.004
= 10°C/W
0.24
3.29
TYP
210
2.9
1.0
1.0
1.7
1.7
3.4
2.6
8.5
24
50
45
80
16
15
14
13
12
11
10
9
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
FB
PG
BIAS
INTV
BST
SW
SW
SW
0.973
0.982
CC
MAX
0.02
3.57
3.35
350
110
3.4
0.5
2.7
10
50
20
70
65
3
8
4
UNITS
8610p
%/V
mA
mA
μA
μA
μA
μA
μA
μA
nA
ns
ns
ns
V
V
V
V
V
V