 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
NCP1399AA Datasheet(PDF) 7 Page - ON Semiconductor |
|
||||||||||||||||||||||||||||||
NCP1399AA Datasheet(HTML) 7 Page - ON Semiconductor |
|
|
7 / 43 page  NCP1399AA, NCP1399BA, NCP1399AC www.onsemi.com 7 ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C, VCC = 12 V unless otherwise noted.) Symbol Unit Max Typ Min Pin Rating OVP/OTP IOTP OTP/OVP pin source current for external NTC – during normal operation 7 90 95 100 mA IOTP_BOOST OTP/OVP pin source current for external NTC – during startup 7 180 190 200 mA tOVP_FILTER Internal filter for OVP comparator 7 32 37 44 ms tOTP_FILTER Internal filter for OTP comparator 7 200 330 500 ms tBLANK_OTP Blanking time for OTP input during startup (NCP1399AA, NCP1399BA) 7 7.3 8.0 8.7 ms Blanking time for OTP input during startup (NCP1399AC) 7 14 16 18 ms VCLAMP_OVP/OTP_1 OVP/OTP pin clamping voltage @ IOVP/OTP = 0 mA 7 1.0 1.2 1.4 V VCLAMP_ OVP/OTP_2 OVP/OTP pin clamping voltage @ IOVP/OTP = 1 mA 7 1.8 2.4 3.0 V Start−up Sequence Parameters tTON_MAX Maximum on−time clamp (NCP1399AA, NCP1399BA) 12, 14 7.3 7.7 8.4 ms Maximum on−time clamp (NCP1399AC) 12, 14 10.6 11.2 12.1 ms t1st_MLOWER_TON Initial Mlower DRV on−time duration 12 4.7 4.9 5.4 ms t1st_MUPPER_TON Initial Mupper DRV on−time duration 14 0.72 0.79 0.88 ms tSS_INCREMENT On−time period increment during soft−start 12, 14 17 20 22 ns KSS_INCREMENT Soft−Start increment division ratio (NCP1399AA, NCP1399BA) 12, 14 − 4 − − Soft−Start increment division ratio (NCP1399AC) 12, 14 − 8 − − tWATCHDOG Time duration to restart IC if start−up phase is not finished 12, 14 0.45 0.50 0.55 ms Feedback Section RFB Internal pull−up resistor on FB pin 5 15 18 25 k W KFB VFB to internal current set point division ratio 5 1.92 2.00 2.08 − VFB_REF Internal voltage reference on the FB pin 5 4.60 4.95 5.30 V VFB_CLAMP Internal clamp on FB input of On−time comparator referred to external FB pin voltage 5 4.4 4.6 4.8 V VFB_SKIP_IN Feedback voltage thresholds to enters in skip mode for NCP1399By version (Note 2) 5 0.44 0.50 0.56 V VFB_SKIP_HYST Skip comparator hysteresis 5 130 160 200 mV t1st_MLOWER_SKIP On−time duration of 1st Mlower pulse when FB cross VFB_SKIP_IN + VFB_SKIP_HYST threshold (NCP1399AA, NCP1399BA) 5, 12 0.95 1.05 1.15 ms On−time duration of 1st Mlower pulse when FB cross VFB_SKIP_IN + VFB_SKIP_HYST threshold (NCP1399AC) 5, 12 1.8 1.9 2.1 ms V1st_MUPPER_SKIP Internal FB level reduction during 1st Mupper pulse when FB cross VFB_SKIP_IN + VFB_SKIP_HYST threshold (Note 3) 5, 6, 14 − 150 − mV Skip Input – NCP1399Ay version ISKIP Internal Skip pin current source 4 48 50 52 mA CSKIP_LOAD_MAX Maximum loading capacitance for skip pin voltage filtering (Note 3) 4 − − 10 nF 2. The NCP1399Ay version has skip adjustable externally. 3. Guaranteed by design. 4. Minimal impedance on P ON/OFF pin is 1 k W 5. Minimal resistance connected in series with bootstrap diode is 3.3 W |
Similar Part No. - NCP1399AA |
|
Similar Description - NCP1399AA |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.NET |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List 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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
