參數(shù)資料
型號(hào): LTC2905CDDB
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: Precision Dual Supply Monitors with Pin-Selectable Thresholds
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, UUC8
封裝: DICE
文件頁(yè)數(shù): 2/16頁(yè)
文件大小: 155K
代理商: LTC2905CDDB
LTC2904/LTC2905
2
sn29045 29045fs
Terminal Voltages
V1, V2 .....................................................–0.3V to 7V
S1, S2, TOL .............................. –0.3V to (V
CC
+0.3V)
RST .........................................................–0.3V to 7V
RST (LTC2904) .......................................–0.3V to 7V
TMR (LTC2905) ......................................–0.3V to 7V
ORDER PART
NUMBER
LTC2904CDDB
LTC2904IDDB
LTC2905CDDB
LTC2905IDDB
DDB8 PART MARKING
LBCZ
LBDB
LTAJF
LBCY
T
JMAX
= 125
°
C,
θ
JA
= 250
°
C/W
ABSOLUTEW
W
W
U
PACKAGE/ORDER IU
U
W
(Note 1, 2)
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V1 = 2.5V, V2 = 1V, S1 = TOL = V1, S2 = 0V, unless otherwise noted.
(Notes 2, 3, 4)
SYMBOL
PARAMETER
CONDITIONS
V
RT50
5V, 5% Reset Threshold
V1 Input Threshold
5V, 7.5% Reset Threshold
5V, 10% Reset Threshold
V
RT33
3.3V, 5% Reset Threshold
V1, V2 Input Threshold
3.3V, 7.5% Reset Threshold
3.3V, 10% Reset Threshold
V
RT25
2.5V, 5% Reset Threshold
V1, V2 Input Threshold
2.5V, 7.5% Reset Threshold
2.5V, 10% Reset Threshold
V
RT18
1.8V, 5% Reset Threshold
V2 Input Threshold
1.8V, 7.5% Reset Threshold
1.8V, 10% Reset Threshold
V
RT15
1.5V, 5% Reset Threshold
V2 Input Threshold
1.5V, 7.5% Reset Threshold
1.5V, 10% Reset Threshold
V
RT12
1.2V, 5% Reset Threshold
V2 Input Threshold
1.2V, 7.5% Reset Threshold
1.2V, 10% Reset Threshold
V
RT10
1V, 5% Reset Threshold
V2 Input Threshold
1V, 7.5% Reset Threshold
1V, 10% Reset Threshold
The
denotes the specifications which apply over the full operating
MIN
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
TYP
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
MAX
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
UNITS
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Operating Temperature Range
LTC2904C/LTC2905C ................................0
°
C to 70
°
C
LTC2904I/LTC2905I ..............................–40
°
C to 85
°
C
Storage Temperature Range..................–65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ORDER PART
NUMBER
LTC2904CTS8
LTC2904ITS8
LTC2905CTS8
LTC2905ITS8
TS8 PART MARKING
LTBCJ
LTBCK
LTAJD
LTAJE
TOP VIEW
DDB8 PACKAGE
8-LEAD (3mm
×
2mm) PLASTIC DFN
EXPOSED PAD IS GND (PIN 9),
MUST BE SOLDERED TO PCB
* RST FOR LTC2904
TMR FOR LTC2905
5
6
7
8
4
3
2
1
GND
RST
RST/TMR*
V2
TOL
S1
S2
V1
9
V2 1
RST/TMR* 2
RST 3
GND 4
8 V1
7 S2
6 S1
5 TOL
TOP VIEW
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
* RST FOR LTC2904
TMR FOR LTC2905
T
JMAX
= 125
°
C,
θ
JA
= 250
°
C/W
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