LTC2904 Linear Technology, LTC2904 Datasheet - Page 2

• Manufacturer Part Number: LTC2904
• Description: (LTC2904 / LTC2905) Precision Dual Supply Monitors
• Manufacturer: Linear Technology

www.DataSheet4U.com
ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
LTC2904/LTC2905
Terminal Voltages
Consult LTC Marketing for parts specified with wider operating temperature ranges.
2
temperature range, otherwise specifications are at T
(Notes 2, 3, 4)
SYMBOL
V
V
V
V
V
V
V
ELECTRICAL CHARACTERISTICS
RT50
RT33
RT25
RT18
RT15
RT12
RT10
V1, V2 ..................................................... –0.3V to 7V
S1, S2, TOL .............................. –0.3V to (V
RST ......................................................... –0.3V to 7V
RST (LTC2904) ....................................... –0.3V to 7V
TMR (LTC2905) ...................................... –0.3V to 7V
RST/TMR*
8-LEAD (3mm × 2mm) PLASTIC DFN
EXPOSED PAD IS GND (PIN 9),
T
MUST BE SOLDERED TO PCB
JMAX
GND
RST
V2
* RST FOR LTC2904
= 125°C, θ
TMR FOR LTC2905
DDB8 PACKAGE
1
2
3
4
TOP VIEW
9
PARAMETER
5V, 5% Reset Threshold
5V, 7.5% Reset Threshold
5V, 10% Reset Threshold
3.3V, 5% Reset Threshold
3.3V, 7.5% Reset Threshold
3.3V, 10% Reset Threshold
2.5V, 5% Reset Threshold
2.5V, 7.5% Reset Threshold
2.5V, 10% Reset Threshold
1.8V, 5% Reset Threshold
1.8V, 7.5% Reset Threshold
1.8V, 10% Reset Threshold
1.5V, 5% Reset Threshold
1.5V, 7.5% Reset Threshold
1.5V, 10% Reset Threshold
1.2V, 5% Reset Threshold
1.2V, 7.5% Reset Threshold
1.2V, 10% Reset Threshold
1V, 5% Reset Threshold
1V, 7.5% Reset Threshold
1V, 10% Reset Threshold
JA
W
= 250°C/W
8
7
6
5
TOL
S1
S2
V1
W W
U
DDB8 PART MARKING
LTC2904CDDB
LTC2904IDDB
LTC2905CDDB
LTC2905IDDB
ORDER PART
NUMBER
W
LBCZ
LBDB
LTAJF
LBCY
U
A
CC
= 25°C. V1 = 2.5V, V2 = 1V, S1 = TOL = V1, S2 = 0V, unless otherwise noted.
CONDITIONS
V1 Input Threshold
V1, V2 Input Threshold
V1, V2 Input Threshold
V2 Input Threshold
V2 Input Threshold
V2 Input Threshold
V2 Input Threshold
+0.3V)
The
U
(Note 1, 2)
●
denotes the specifications which apply over the full operating
Operating Temperature Range
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
LTC2904C/LTC2905C ................................ 0°C to 70°C
LTC2904I/LTC2905I ..............................–40°C to 85°C
RST/TMR* 2
GND 4
RST 3
T
V2 1
JMAX
8-LEAD PLASTIC TSOT-23
* RST FOR LTC2904
TMR FOR LTC2905
= 125°C, θ
TS8 PACKAGE
TOP VIEW
JA
= 250°C/W
8 V1
7 S2
6 S1
5 TOL
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
4.600
4.475
4.350
3.036
2.954
2.871
2.300
2.238
2.175
1.656
1.611
1.566
1.380
1.343
1.305
1.104
1.074
1.044
0.920
0.895
0.870
MIN
TS8 PART MARKING
4.675
4.550
4.425
3.086
3.003
2.921
2.338
2.275
2.213
1.683
1.638
1.593
1.403
1.365
1.328
1.122
1.092
1.062
0.935
0.910
0.885
TYP
ORDER PART
LTC2904CTS8
LTC2904ITS8
LTC2905CTS8
LTC2905ITS8
NUMBER
LTBCJ
LTBCK
LTAJD
LTAJE
4.750
4.625
4.500
3.135
3.053
2.970
2.375
2.313
2.250
1.710
1.665
1.620
1.425
1.388
1.350
1.140
1.110
1.080
0.950
0.925
0.900
MAX
sn29045 29045fs
UNITS
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V