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NCV1117STAT3G
TO-252 (DPAK)
The NCV1117STAT3G from onsemi is an automotive-qualified 1A 3.3V fixed LDO regulator with 1.25V dropout and wide -40~125C temperature range in DPAK.
| الحزمة | TO-252 (DPAK) |
The NCV1117STAT3G from onsemi is an automotive-qualified 1A 3.3V fixed LDO regulator with 1.25V dropout and wide -40~125C temperature range in DPAK.
The NCV1117STAT3G is a 1A low-dropout (LDO) linear regulator from onsemi in DPAK (TO-252), AEC-Q100 qualified for automotive applications. It provides a fixed 3.3V output from an input of 4.75V to 15V (20V absolute maximum), with a dropout voltage of 1.1V at 800mA output current. The NCV prefix indicates automotive qualification (NCV = N-channel Control Vehicle). The device uses a PNP pass transistor in an emitter-follower configuration, which is why the dropout voltage is higher than modern PMOS-based LDOs (typical dropout is Vsat + 0.6V for PNP vs 0.1V for PMOS). At 800mA load, the dropout is 1.1V; at 100mA, it drops to approximately 1.05V. The quiescent current (ground current) is 5mA typical at 800mA load and 4mA at no load, which is higher than PMOS LDOs but acceptable for automotive applications where battery capacity is large. The device is stable with a 10uF tantalum or 22uF ceramic output capacitor (ESR must be between 0.1 and 10 Ohms for stability). The thermal shutdown activates at 155C with 15C hysteresis. The DPAK package provides 65C/W thermal resistance junction-to-ambient on a minimum copper pour, allowing approximately 1W dissipation at 25C ambient. At VIN=5V, VOUT=3.3V, and IOUT=800mA, the power dissipation is (5-3.3) x 0.8 = 1.36W, requiring a moderate copper pour heatsink. The ADJ pin is internally connected to a resistor divider for the fixed 3.3V version; the adjustable version connects an external divider to set any output from 1.25V to 12.5V.
| دبوس | الاسم | النوع | الوظيفة |
|---|---|---|---|
| 1 | ADJ/GND | Input/Power | Adjust input (connect to GND for fixed 3.3V, or resistor divider for adjustable) |
| 2 | VOUT | المخرجات | Regulated output (3.3V fixed or 1.25-12.5V adjustable) |
| 3 | VIN | المدخلات | Unregulated input (4.75-15V, up to 20V transient) |
| الشركة المصنعة | رقم الجزء | الحزمة | الملاحظات |
|---|---|---|---|
| أونسمي | NCP1117STAT3G | DPAK | Same device, non-automotive prefix |
| أونسمي | NCV1117ST33T3G | SOT-223 | Same function, SOT-223 package |
| تكساس إنسترومنتس | TLV1117LV33DCYR | SOT-223 | 1A LDO, 3.3V, low Iq 50uA |
| Diodes Inc. | AZ1117EH-3.3TRG1 | SOT-223 | 1A LDO, 3.3V, low dropout |
| إنفينيون | TLE4274G | TO-252 | Automotive 5V/3.3V LDO, very low Iq 30uA |
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
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