Datasheet

LTC2995
2
2995f
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
20 19 18 17 16
7 8
TOP VIEW
21
UD PACKAGE
20-LEAD (3mm × 3mm) PLASTIC QFN
9
10
VL1
VH2
VL2
VT2
VT1
UV
OV
TO2
T01
V
REF
VH1 PS DS GND TMR
D
+
D
–
V
PTAT
V
CC
GND
12
11
13
14
15
4
5
3
2
1
6
T
JMAX
= 150°C, θ
JA
= 59°C/W
EXPOSED PAD PCB GROUND CONNECTED OPTIONAL
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage
l
2.25 5.5 V
UVLO Supply Undervoltage Lockout Threshold V
CC
Falling
l
1.7 1.9 2.1 V
I
CC
Average Supply Current
l
220 300 µA
Temperature Measurement
V
REF
Reference Voltage LTC2995
LTC2995C
LTC2995I
LTC2995H
l
l
l
1.797
1.793
1.790
1.787
1.8
1.8
1.8
1.8
1.803
1.804
1.807
1.808
V
V
V
V
V
REF
Load Regulation I
LOAD
= ±200A
l
±1.5 mV
Remote Diode Sense Current –8 –192 µA
ORDER INFORMATION
V
CC
.............................................................. –0.3V to 6V
TMR, D
+
, D
–
, DS, PS, V
PTAT
, V
REF
........ –0.3V to V
CC
+ 0.3V
UV , OV , TO1, T02 .......................................... –0.3V to 6V
VH1, VL1, VH2, VL2, VT1, VT2 ..................... –0.3V to 6V
Operating Ambient Temperature Range
LTC2995C ................................................ 0°C to 70°C
LTC2995I .............................................–40°C to 85°C
LTC 2995H ......................................... –40°C to 125°C
Storage Temperature Range ..................–65°C to 150°C
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2995CUD#PBF LTC2995CUD#TRPBF LFQV
20-Lead (3mm × 3mm) Plastic QFN
0°C to 70°C
LTC2995IUD#PBF LTC2995IUD#TRPBF LFQV
20-Lead (3mm × 3mm) Plastic QFN
–40°C to 85°C
LTC2995HUD#PBF LTC2995HUD#TRPBF LFQV
20-Lead (3mm × 3mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C, V
CC
= 3.3V, unless otherwise noted.