LTC2900 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC2900 Datasheet PDF : 16 Pages
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LTC2900
ABSOLUTE AXI U RATI GS (Notes 1, 2, 3)
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
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
UW U
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
V3 1
V1 2
CRT 3
RST 4
PBR 5
TOP VIEW
10 V2
9 V4
8 VREF
7 VPG
6 GND
MS PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 250°C/W
LTC2900-1CMS
LTC2900-2CMS
LTC2900-1IMS
LTC2900-2IMS
MS PART MARKING
LTYJ
LTYL
LTYK
LTYM
Consult LTC Marketing for parts specified with wider operating temperature ranges.
TOP VIEW
V3 1
V1 2
CRT 3
RST 4
PBR 5
10 V2
9 V4
8 VREF
7 VPG
6 GND
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/W
ORDER PART
NUMBER
LTC2900-1CDD
LTC2900-2CDD
LTC2900-1IDD
LTC2900-2IDD
DD PART MARKING
LABU
LABW
LABV
LABX
ELECTRICAL CHARACTERISTICS 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)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP MAX
UNITS
VRT50
VRT33
VRT30
VRT25
VRT18
VRT15
VRTA
VRTAN
VCC
VCCMINP
VREF
VPG
IVPG
IV1
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
Minimum Required for Programming
Reference Voltage
Programming Voltage Range
VPG Input Current
V1 Input Current
V1 Input Threshold
q 4.600 4.675 4.750
V
V1, V2 Input Threshold
q 3.036 3.086 3.135
V
V2 Input Threshold
q 2.760 2.805 2.850
V
V2, V3 Input Threshold
q 2.300 2.338 2.375
V
V3, V4 Input Threshold
q 1.656 1.683 1.710
V
V3, V4 Input Threshold
q 1.380 1.403 1.425
V
V3, V4 Input Threshold
q 0.492 0.500 0.508
V
V4 Input Threshold
q
– 18
0
18
mV
RST in Correct Logic State,
q
VCC Rising Prior to Program
1
V
VCC Rising
q
2.42
V
VCC ≥ 2.3V, IVREF = ±1mA, CREF ≤ 1000pF q 1.192 1.210 1.228
V
VCC ≥ VCCMINP
q
0
VREF
V
VPG = VREF
q
±20
nA
V1 = 5V, IVREF = 12µA, (Note 4)
q
43
75
µA
2900f
2
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