поискавой системы для электроныых деталей |
|
UC2914DWG4 датащи(PDF) 3 Page - Texas Instruments |
|
UC2914DWG4 датащи(HTML) 3 Page - Texas Instruments |
3 / 24 page UC2914 UC3914 SLUS425C − DECEMBER 2003 − REVISED JULY 2004 3 www.ti.com ELECTRICAL CHARACTERISTICS TA = 0°C to 70°C for the UC3914, −40°C to 85°C for the UC2914, VCC = 12V, VPUMP = VPUMP(max), SD = 5 V, CP1 = CP2 = CPUMP= 0.01 µF. TA = TJ. (Unless otherwise specified) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENTS ICC Supply current(2) 8 15 mA ICC Supply current(2) VCC = 35 V 12 20 mA ICCSD Shutdown supply current SD = 0 V, 500 900 µA UVLO turn−on threshold voltage 4.0 4.4 V UVLO hysteresis 55 120 250 mV FAULT TIMING Overcurrent threshold TJ = 25°C, wrt VCC −55 −50 −45 mV Overcurrent threshold Over operating temperature wrt VCC −57 −50 −42 mV IMAX input bias 1 3 A ICT_CHG CT charge current VCT = 1 V −140 −100 −60 µA ICT_CHG CT charge current VCT = 1 V, overload condition −6.0 −3.0 −1.5 mA ICT_DSCH CT discharge current VCT = 1 V 2.0 3.0 4.5 µA VCT_FLT CT fault threshold voltage 2.25 2.50 2.75 V VCT_RST CT reset threshold voltage 0.45 0.50 0.55 V Output duty cycle Fault condition, IPL = 0 A 1.5% 3.0% 4.5% OUTPUT VOH High-level output voltage VVOUTS = VCC, VPUMP = VPUMP(max), wrt VPUMP −1.5 −1.0 VOH High-level output voltage VVOUTS = VCC, VPUMP = VPUMP(max), IOUT = −2 mA, wrt VPUMP −2.0 −1.5 IOUT = 0 A 0.8 1.3 V VOL Low-level output voltage IOUT = 5 mA 1 2 V VOL Low-level output voltage IOUT = 25 mA, VVOUTS = 0 V overload condition 1.2 1.8 VOUT(cl) Output clamp voltage VOUTS = 0 V 11.5 13.0 14.5 tRISE Rise time(1) COUT = 1 nF 750 1250 ns tFALL Fall time(1) COUT = 1 nF 250 500 ns LINEAR CURRENT AMPLIFIER VIO Input offset voltage −15 0 15 mV Voltage gain 60 80 dB VIMAX IMAX control voltage VIMAX = VOUT, VSENSE = VVCC, wrt VCC −20 0 20 mV VIMAX IMAX control voltage VIMAX = VOUT, VSENSE = VREF, wrt REF −20 0 20 mV SENSE input bias 1.5 3.5 µA SHUTDOWN Shutdown threshold voltage 0.6 1.5 2.0 V input current SD = 5 V 150 300 µA Delay to output time(1) 0.5 2.0 µs (1) Ensured by design. Not production tested. (2) A mathematical averaging is used to determine this value. See Application Section for more information. |
Аналогичный номер детали - UC2914DWG4 |
|
Аналогичное описание - UC2914DWG4 |
|
|
ссылки URL |
Конфиденциальность |
ALLDATASHEETRU.COM |
Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | 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 |