# NCP1076P100G

**onsemi** · AC-DC Controllers & Regulators · DIP-7

NCP1076P100G from onsemi, in a DIP-7. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VCC | power_in | Powers the internal circuitry and connects to an external capacitor; includes an active shunt (8.2 V clamp, max 15 mA into the pin) that serves as auto-recovery overvoltage protection. |
| 2 | NC | unconnected | No internal connection. |
| 3 | GND | power_in | The IC ground. |
| 4 | FB | input | Feedback signal input; connecting an opto-coupler adjusts the peak current set point according to the output power demand. |
| 5 | DRAIN | passive | Internal 700 V MOSFET drain connection. |
| 7 | GND | power_in | The IC ground. |
| 8 | GND | power_in | The IC ground. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | DIP-7 |
| Category | Power Management ICs |
| Pins | 7 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VCC increasing level at which the switcher starts operation | VCC(on) | 7.7 | 8.1 | 8.5 | V | NCP1076/77 | 5 |
| VCC decreasing level at which HV current source restarts | VCC(min) | 6.5 | 6.8 | 7.2 | V |  | 5 |
| VCC decreasing level at which switcher stops operation (UVLO) | VCC(off) | 6.1 | 6.3 | 6.6 | V |  | 5 |
| Offset voltage above VCC(on) at which internal clamp activates | VCC(clamp) | 130 | 190 | 300 | mV | NCP1076/77 | 5 |
| Internal IC consumption, MOSFET switching | ICC1 |  | 1 | 1.3 | mA | NCP1076/77 | 5 |
| Power switch on-state resistance TJ=25°C | RDS(on) |  | 4.7 | 6.9 | Ω | Id = 50 mA, NCP1076/77, TJ = 25°C | 5 |
| Power switch on-state resistance TJ=125°C | RDS(on) |  | 8.7 | 10.75 | Ω | Id = 50 mA, NCP1076/77, TJ = 125°C | 5 |
| Power switch & startup breakdown voltage | BVDSS | 700 |  |  | V | ID(off) = 120 µA, TJ = 25°C | 5 |
| HV current source | Istart1 | 5.2 | 9.2 | 12.2 | mA | V = VCC(on) − 200 mV, NCP1070/71/76/77 | 5 |
| Maximum internal current setpoint at beginning of switching cycle | IIPK(0) | 689 | 765 | 841 | mA | FB pin open, Tj = 25°C, NCP1076 | 6 |
| Oscillation frequency, 100 kHz version | fOSC | 90 | 100 | 110 | kHz | Tj = 25°C (Note 6) | 6 |
| Maximum duty-cycle | Dmax | 65 | 69 | 73 | % | NCP1076/77/72B & NCP1072P100BG | 6 |
| Fmin frequency below which skip-cycle occurs | Fmin | 21 | 25 | 29 | kHz |  | 7 |
| VCC clamp current at which switcher stops pulsing | IOVP | 6 | 8.5 | 11 | mA | NCP1072/75/76/77 | 7 |
| Fault validation further to error flag assertion | tSCP | 40 | 53 |  | ms |  | 7 |
| Drain pin voltage above which MOSFET operation allowed | VHV(EN) | 72 | 91 | 110 | V |  | 8 |
| Supply voltage on all pins except Drain | VCC | -0.3 |  | 10 | V |  | 4 |
| Drain voltage | BVdss | -0.3 |  | 700 | V |  | 4 |
| Drain current peak during transformer saturation (TJ=150°C) | IDS(PK) |  |  | 2200 | mA | NCP1076/77, TJ = 150°C | 4 |
| Drain current peak during transformer saturation (TJ=25°C) | IDS(PK) |  |  | 3900 | mA | NCP1076/77, TJ = 25°C | 4 |
| Maximum current into Pin 1 when activating 8.2 V active clamp | I_VCC |  |  | 15 | mA |  | 4 |
| Maximum junction temperature | TJMAX |  |  | 150 | °C |  | 4 |
| Storage temperature range |  | -60 |  | 150 | °C |  | 4 |
| ESD capability, Human Body Model |  |  |  | 2 | kV | All pins except HV | 4 |
| ESD capability, Machine Model |  |  |  | 200 | V |  | 4 |
| ESD capability, Charged Device Model |  |  |  | 1 | kV |  | 4 |
| Thermal resistance junction-to-air, P suffix | RθJ-A |  | 77 |  | °C/W | Case 626A, 0.36 Sq. Inch, 2.0 oz copper | 4 |
| Thermal resistance junction-to-air, P suffix | RθJ-A |  | 60 |  | °C/W | Case 626A, 1.0 Sq. Inch, 2.0 oz copper | 4 |
| Maximum internal current setpoint at 50% duty cycle | IIPK |  | 650 |  | mA | FB pin open, Tj = 25°C, NCP1076 | 5 |
| VCC reset voltage | VCC(reset) |  | 4 |  | V | guaranteed by design | 5 |
| Off-state leakage current | IDSS(off) |  |  | 85 | µA | TJ = 125°C (Vds = 700 V) | 5 |
| HV current source at VCC = 0 V | Istart2 |  | 0.5 |  | mA | VCC = 0 V | 5 |
| Soft-start duration | TSS |  | 1 |  | ms | guaranteed by design | 6 |
| Leading edge blanking duration | TLEB |  | 200 |  | ns |  | 6 |
| Propagation delay from current detection to drain OFF | Tprop |  | 100 |  | ns |  | 6 |
| Ramp compensation at 100 kHz | Sa(100) |  | 23 |  | mA/µs | NCP1076 | 7 |
| OFF phase in fault mode | trecovery |  | 420 |  | ms | NCP1070/1/2/5/6/7 | 7 |
| Temperature shutdown | TSD |  | 150 |  | °C | Guaranteed by design | 8 |
| Hysteresis in shutdown |  |  | 50 |  | °C | Guaranteed by design | 8 |

## CAD (KiCad official)

- Symbol: `NCP1076P100G`
- Footprint: `Package_DIP:DIP-8-N6_W7.62mm`
- 3D model: DIP-7 (KiCad packages3D, STEP)
- 3D model files: `ncp1076p100g-etched.step` / `ncp1076p100g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ncp1076p100g.step` / `ncp1076p100g.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/ncp1076p100-d.pdf) (30 pp, sha256 `06b92ca2726024eb`, retrieved 2026-10-30, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/ncp1076p100g-datasheet.pdf)