Datasheet

2
LT1634
1634fb
ABSOLUTE MAXIMUM RATINGS
W
WW
U
Operating Temperature Range
Commercial ............................................. 0°C to 70°C
Industrial ............................................ –40°C to 85°C
Storage Temperature Range (Note 1) ... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)..................300°C
Operating Current
1.25V............................................................. 100mA
2.5V................................................................. 50mA
4.096V, 5V ....................................................... 30mA
Forward Current .................................................. 20mA
PACKAGE/ORDER INFORMATION
W
UU
T
JMAX
= 125°C, θ
JA
= 250°C/ W
1
2
3
4
DNC*
DNC*
DNC*
GND
8
7
6
5
DNC*
DNC*
V
OUT
TEST**
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 190°C/ W
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
DNC*
DNC*
DNC*
GND
DNC*
DNC*
V
OUT
TEST**
LT1634BCMS8-1.25
LT1634BCMS8-2.5
ORDER PART NUMBER MS8 PART MARKING
LTCV
LTDF
ORDER PART NUMBER
S8 PART MARKING
LT1634ACS8-1.25
LT1634ACS8-2.5
LT1634ACS8-4.096
LT1634ACS8-5
LT1634AIS8-1.25
LT1634AIS8-2.5
LT1634AIS8-4.096
LT1634AIS8-5
LT1634BCS8-1.25
LT1634BCS8-2.5
LT1634BCS8-4.096
LT1634BCS8-5
LT1634BIS8-1.25
LT1634BIS8-2.5
LT1634BIS8-4.096
LT1634BIS8-5
1634A1
1634A2
1634A4
1634A5
634AI1
634AI2
634AI4
634AI5
1634B1
1634B2
1634B4
1634B5
634BI1
634BI2
634BI4
634BI5
*Connected internally. Do Not Connect external circuitry to these pins.
**Connect to ground in user application.
Consult LTC Marketing for parts specified with wider operating temperature
ranges.
ORDER PART NUMBER
LT1634CCZ-1.25
LT1634CCZ-2.5
LT1634CCZ-4.096
LT1634CCZ-5
T
JMAX
= 125°C, θ
JA
= 190°C/ W
BOTTOM VIEW
TEST** V
OUT
GND
Z PACKAGE
3-LEAD PLASTIC TO-92
(Note 1)