 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
LTC4271 датащи(PDF) 3 Page - Linear Technology |
|
|
|||||||||||||||||||||||||||||
LTC4271 датащи(HTML) 3 Page - Linear Technology |
|
|
3 / 30 page  LTC4274A/LTC4274C 3 4274acfc ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VEE Main PoE Supply Voltage AGND – VEE For IEEE Type 1 Compliant Output For IEEE Type 2 Compliant Output For LTPoE++ Compliant Output l l l 45 51 54.75 57 57 57 V V V Undervoltage Lockout AGND – VEE l 20 25 30 V VDD VDD Supply Voltage VDD – DGND l 3.0 3.3 4.3 V Undervoltage Lockout l 2.2 V Allowable Digital Ground Offset DGND – VEE l 25 57 V IEE VEE Supply Current (AGND – VEE) = 55V l –2.4 –5 mA IDD VDD Supply Current (VDD – DGND) = 3.3V l 1.1 3 mA Detection Detection Current – Force Current First Point, AGND – VOUT = 9V Second Point, AGND – VOUT = 3.5V l l 220 140 240 160 260 180 μA μA Detection Voltage – Force Voltage AGND – VOUT, 5μA ≤ IOUT ≤ 500μA First Point Second Point l l 7 3 8 4 9 5 V V Detection Current Compliance AGND – VOUT = 0V l 0.8 0.9 mA VOC Detection Voltage Compliance AGND – VOUT, Open Port l 10.4 12 V Detection Voltage Slew Rate AGND – VOUT, CPORT = 0.15μF l 0.01 V/μs Minimum Valid Signature Resistance l 15.5 17 18.5 kΩ Maximum Valid Signature Resistance l 27.5 29.7 32 kΩ Classification VCLASS Classification Voltage AGND – VOUT, 0mA ≤ ICLASS ≤ 50mA l 16.0 20.5 V Classification Current Compliance VOUT = AGND l 53 61 67 mA Classification Threshold Current Class 0 – 1 Class 1 – 2 Class 2 – 3 Class 3 – 4 Class 4 – Overcurrent l l l l l 5.5 13.5 21.5 31.5 45.2 6.5 14.5 23 33 48 7.5 15.5 24.5 34.9 50.8 mA mA mA mA mA VMARK Classification Mark State Voltage AGND – VOUT, 0.1mA ≤ ICLASS ≤ 10mA l 7.5 9 10 V Mark State Current Compliance VOUT = AGND l 53 61 67 mA Gate Driver GATE Pin Pull-Down Current Port Off, VGATE = VEE + 5V Port Off, VGATE = VEE + 1V l l 0.4 0.08 0.12 mA mA GATE Pin Fast Pull-Down Current VGATE = VEE + 5V 30 mA GATE Pin On Voltage VGATE – VEE, IGATE = 1μA l 812 14 V Output Voltage Sense VPG Power Good Threshold Voltage VOUT – VEE l 2 2.4 2.8 V OUT Pin Pull-Up Resistance to AGND 0V ≤ (AGND – VOUT) ≤ 5V l 300 500 700 kΩ The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AGND – VEE = 54V, AGND = DGND, and VDD – DGND = 3.3V unless otherwise noted. (Notes 3, 4) |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
