KA7500CDTF

@@ -0,0 +1,57 @@+# KA7500CDTF++**onsemi** · AC-DC Controllers and Regulators · SO-16++KA7500CDTF from onsemi, in a SO-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | IN1+ | input | Non-inverting input of error amplifier 1 (EA1). Feedback sense input; common-mode range -0.3 V to VCC-2.0 V. |+| 2 | IN1- | input | Inverting input of error amplifier 1 (EA1). Typically tied to a reference divider from VREF for output voltage regulation. |+| 3 | FB/COMP | bidirectional | Feedback / compensation node. Common output of both error amplifiers and PWM comparator input. Used for loop compensation (typ. RC network to EA input). |+| 4 | DTC | input | Dead-Time Control input. Sets minimum dead time and maximum duty cycle. Threshold: 0 V for max duty (~45%), 3.0-3.3 V for zero duty. Input range 0.3-5.3 V. |+| 5 | CT | passive | Oscillator timing capacitor connection. Typical CT = 0.0047 µF to 10 µF sets ramp for oscillator (1 kHz-200 kHz operating range). |+| 6 | RT | passive | Oscillator timing resistor connection. RT sets charging current for CT; typical RT = 1.8 kΩ-500 kΩ. Ground RT and tie pin 5 to VREF for slave operation. |+| 7 | GND | power_in | Device ground reference. All internal circuit ground returns. |+| 8 | C1 | output | Collector of output transistor 1. Uncommitted; supports common-emitter or emitter-follower drive. VC max 40 V, IC max 200 mA per output. |+| 9 | E1 | output | Emitter of output transistor 1. Uncommitted output. Tie low for common-emitter drive; use for emitter-follower drive. |+| 10 | E2 | output | Emitter of output transistor 2. Uncommitted output paired with C2. |+| 11 | C2 | output | Collector of output transistor 2. Uncommitted; VC max 40 V, IC max 200 mA. Used with C1/E1 for push-pull or paralleled for single-ended operation. |+| 12 | VCC | power_in | Main device supply. Recommended 7-40 V (abs max 42 V). Typical operating current ~6 mA at VCC=15 V. |+| 13 | OC | input | Output Control. Selects operating mode: tie to GND for single-ended (parallel) output; tie to VREF for push-pull operation (outputs alternate at half oscillator frequency). |+| 14 | VREF | power_out | Trimmed 5 V ±1% bandgap reference output. Max source current 10 mA; short-circuit current limited to ~35 mA. |+| 15 | IN2- | input | Inverting input of error amplifier 2 (EA2). Can be used for a second regulation loop (e.g. current limit) or tied off if unused. |+| 16 | IN2+ | input | Non-inverting input of error amplifier 2 (EA2). Second-loop sense input; common-mode range -0.3 V to VCC-2.0 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SO-16 |+| Category | PMIC |+| Pins | 16 |++## Ordering variants++- `KA7500CDTFKA7500CD`+- `KA7500CDTF`+- `KA7500CDTFKA7500C`++## CAD (KiCad official)++- Symbol: `KA7500CDTF`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SO-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](docs/ka7500cdtf-datasheet.pdf) (9 pp, sha256 `8e9c49cee72bca94`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ka7500cdtf-datasheet.pdf)

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