參數(shù)資料
型號: LTC2900-1CMS#TRPFB
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 9/16頁
文件大小: 200K
代理商: LTC2900-1CMS#TRPFB
2
LTC2900
2900f
ORDER PART
NUMBER
MS PART MARKING
LTYJ
LTYL
LTYK
LTYM
TJMAX = 125°C, θJA = 250°C/W
V1, V2, V3, V4, VPG, 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 (VCC + 0.3V)
VREF ............................................. – 0.3V to (VCC + 0.3V)
Reference Load Current (IVREF) ............................ ±1mA
LTC2900-1CMS
LTC2900-2CMS
LTC2900-1IMS
LTC2900-2IMS
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
1
2
3
4
5
V3
V1
CRT
RST
PBR
10
9
8
7
6
V2
V4
VREF
VPG
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
TJMAX = 125°C, θJA = 43°C/W
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VRT50
5V, 5% Reset Threshold
V1 Input Threshold
q
4.600
4.675
4.750
V
VRT33
3.3V, 5% Reset Threshold
V1, V2 Input Threshold
q
3.036
3.086
3.135
V
VRT30
3V, 5% Reset Threshold
V2 Input Threshold
q
2.760
2.805
2.850
V
VRT25
2.5V, 5% Reset Threshold
V2, V3 Input Threshold
q
2.300
2.338
2.375
V
VRT18
1.8V, 5% Reset Threshold
V3, V4 Input Threshold
q
1.656
1.683
1.710
V
VRT15
1.5V, 5% Reset Threshold
V3, V4 Input Threshold
q
1.380
1.403
1.425
V
VRTA
ADJ Reset Threshold
V3, V4 Input Threshold
q
0.492
0.500
0.508
V
VRTAN
– ADJ Reset Threshold
V4 Input Threshold
q
–18
0
18
mV
VCC
Minimum Internal Operating Voltage
RST in Correct Logic State,
q
1V
VCC Rising Prior to Program
VCCMINP
Minimum Required for Programming
VCC Rising
q
2.42
V
VREF
Reference Voltage
VCC ≥ 2.3V, IVREF = ±1mA, CREF ≤ 1000pF
q
1.192
1.210
1.228
V
VPG
Programming Voltage Range
VCC ≥ VCCMINP
q
0VREF
V
IVPG
VPG Input Current
VPG = VREF
q
±20
nA
IV1
V1 Input Current
V1 = 5V, IVREF = 12A, (Note 4)
q
43
75
A
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, unless otherwise noted. (Note 3)
ELECTRICAL CHARACTERISTICS
TOP VIEW
DD PACKAGE
10-LEAD (3mm
× 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
V2
V4
VREF
VPG
GND
V3
V1
CRT
RST
PBR
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