參數(shù)資料
型號: LTC2900-2CMS
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: Programmable Quad Supply Monitor with Adjustable Reset Timer
中文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 2/16頁
文件大小: 199K
代理商: LTC2900-2CMS
2
LTC2900
2900f
ORDER PART
NUMBER
MS PART MARKING
LTYJ
LTYL
LTYK
LTYM
T
JMAX
= 125
°
C,
θ
JA
= 250
°
C/W
V1, V2, V3, V4, V
PG
, PBR............................. –0.3V to 7V
RST (LTC2900-1)........................................ –0.3V to 7V
RST (LTC2900-2).......................... –0.3V to (V2 + 0.3V)
CRT ............................................. –0.3V to (V
CC
+ 0.3V)
V
REF
............................................. –0.3V to (V
CC
+ 0.3V)
Reference Load Current (I
VREF
) ............................
±
1mA
LTC2900-1CMS
LTC2900-2CMS
LTC2900-1IMS
LTC2900-2IMS
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
1
2
3
4
5
V3
V1
CRT
RST
PBR
10
9
8
7
6
V2
V4
V
REF
V
GND
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
V4 Input Current (–ADJ Mode) ............................ –1mA
Operating Temperature Range
LTC2900-1C/LTC2900-2C ....................... 0
°
C to 70
°
C
LTC2900-1I/LTC2900-2I .................... –40
°
C to 85
°
C
Storage Temperature Range ..................–65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)...................300
°
C
(Notes 1, 2, 3)
ORDER PART
NUMBER
DD PART MARKING
LABU
LABW
LABV
LABX
LTC2900-1CDD
LTC2900-2CDD
LTC2900-1IDD
LTC2900-2IDD
T
JMAX
= 125
°
C,
θ
JA
= 43
°
C/W
SYMBOL
V
RT50
V
RT33
V
RT30
V
RT25
V
RT18
V
RT15
V
RTA
V
RTAN
V
CC
PARAMETER
5V, 5% Reset Threshold
3.3V, 5% Reset Threshold
3V, 5% Reset Threshold
2.5V, 5% Reset Threshold
1.8V, 5% Reset Threshold
1.5V, 5% Reset Threshold
ADJ Reset Threshold
–ADJ Reset Threshold
Minimum Internal Operating Voltage
CONDITIONS
V1 Input Threshold
V1, V2 Input Threshold
V2 Input Threshold
V2, V3 Input Threshold
V3, V4 Input Threshold
V3, V4 Input Threshold
V3, V4 Input Threshold
V4 Input Threshold
RST in Correct Logic State,
V
CC
Rising Prior to Program
V
CC
Rising
V
CC
2.3V, I
VREF
=
±
1mA, C
REF
1000pF
V
CC
V
CCMINP
V
PG
= V
REF
V1 = 5V, I
VREF
= 12
μ
A, (Note 4)
MIN
4.600
3.036
2.760
2.300
1.656
1.380
0.492
–18
TYP
4.675
3.086
2.805
2.338
1.683
1.403
0.500
0
MAX
4.750
3.135
2.850
2.375
1.710
1.425
0.508
18
1
UNITS
G
V
V
V
V
V
V
V
G
G
G
G
G
G
G
mV
G
V
V
CCMINP
V
REF
V
PG
I
VPG
I
V1
Minimum Required for Programming
Reference Voltage
Programming Voltage Range
V
PG
Input Current
V1 Input Current
G
2.42
1.228
V
REF
±
20
75
V
V
V
G
1.192
0
1.210
G
G
nA
μ
A
G
43
The
G
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V, unless otherwise noted. (Note 3)
ELECTRICAL CHARACTERISTICS
TOP VIEW
DD PACKAGE
10-LEAD (3mm
×
3mm) PLASTIC DFN
10
9
8
6
7
4
5
3
2
1
V2
V4
V
REF
V
PG
GND
V3
V1
CRT
RST
PBR
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