LT1961EMS8E Linear Technology, LT1961EMS8E Datasheet - Page 2

• Manufacturer Part Number: LT1961EMS8E
• Description: IC REG SW STEPUP 1.5A 8-MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LT1961EMS8E

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.2 ~ 35 V
• Current - Output: 1.5A
• Frequency - Switching: 1.25MHz
• Voltage - Input: 3 ~ 25 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP Exposed Pad, 8-HMSOP, 8-eMSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LT1961
ABSOLUTE
(Note 1)
Input Voltage .......................................................... 25V
Switch Voltage ......................................................... 35V
SHDN Pin ............................................................... 25V
FB Pin Current ....................................................... 1mA
SYNC Pin Current .................................................. 1mA
Operating Junction Temperature Range (Note 2)
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER I FOR ATIO
PARAMETER
Recommended Operating Voltage
Maximum Switch Current Limit
Oscillator Frequency
Switch On Voltage Drop
V
V
V
Shutdown Supply Current
Feedback Voltage
LEAD FREE FINISH
LT1961EMS8E#PBF
LT1961IMS8E#PBF
LEAD BASED FINISH
LT1961EMS8E
LT1961IMS8E
Consult LTC Marketing for parts specified with wider operating temperature ranges. *Temperature grades are identified by a label on the shipping container.
For more information on lead free part marking, go to:
For more information on tape and reel specifications, go to:
ELECTRICAL CHARACTERISTICS
range, otherwise specifications are at T
2
IN
IN
IN
LT1961E, LT1961I ........................... – 40°C to 125°C
Undervoltage Lockout
Supply Current
Supply Current/I
U
SW
W
MAXIMUM
TAPE AND REEL
LT1961EMS8E#TRPBF
LT1961IMS8E#TRPBF
TAPE AND REEL
LT1961EMS8E#TR
LT1961IMS8E#TR
W
W W
A
(Note 3)
CONDITION
3.3V < V
I
I
I
V
3V < V
SW
SW
SW
U
= 25°C. V
SHDN
RATINGS
= 1.5A
= 0A
= 1.5A
IN
= 0V, V
http://www.linear.com/leadfree/
IN
< 25V, 0.4V < V
< 25V
U
IN
http://www.linear.com/tapeandreel/
PART MARKING*
IN
PART MARKING*
LTQY
LTQY
LTQY
LTQY
= 15V, V
= 25V, V
The
C
C
●
SW
= 0.8V, SHDN, SYNC and switch open unless otherwise noted.
< 0.9V
denotes the specifications which apply over the full operating temperature
= 25V
PI CO FIGURATIO
U
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
PACKAGE DESCRIPTION
PACKAGE DESCRIPTION
U
GND
GND
SW
V
IN
T
JMAX
8-LEAD PLASTIC MSOP
GROUND PAD CONNECTED
TO LARGE COPPER AREA
1
2
3
4
MS8E PACKAGE
●
●
●
●
●
●
●
●
= 125°C, θ
TOP VIEW
1.182
1.176
2.47
MIN
1.5
3
1
JA
= 50°C/W
U
8
7
6
5
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
TEMPERATURE RANGE
TEMPERATURE RANGE
SYNC
V
FB
SHDN
C
TYP
310
2.6
0.9
1.2
27
2
6
1.218
1.224
MAX
2.73
500
1.5
1.3
25
20
45
3
UNITS
mA/A
1961fa
MHz
mV
mA
μA
μA
V
A
V
V
V