Specifications
| Type | Description |
|---|---|
| Part Number | NCP4306 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package / Case | SOIC-8 NB, TSOP-6, DFN-8 4x4, DFN-8 2.0x2.2 0.5P |
| Supply Voltage Absolute Maximum | -0.3 to 37.0 V, VCC pin |
| Recommended Maximum Operating Voltage | 35 V, VCC |
| Operating Junction Temperature | -40 to 125 °C, recommended operating condition |
| Maximum Junction Temperature | 150 °C, absolute maximum rating |
| Storage Temperature | -60 to 150 °C, absolute maximum rating |
| Current Sense Input Voltage | -4 to 200 V, CS pin absolute maximum |
| Current Sense Dynamic Input Voltage | -10 to 200 V, tPW = 200 ns |
| Driver Output Voltage | -0.3 to 17.0 V, DRV pin absolute maximum |
| DRV Pin Dynamic Current | -3 to 12 A, tPW = 10 us |
| VCC Pin Dynamic Current | 3 A, tPW = 10 us |
| VCC UVLO Rising Threshold | 3.7 min, 4.0 typ, 4.2 max V, VCC rising |
| VCC UVLO Falling Threshold | 3.2 min, 3.5 typ, 3.7 max V, VCC falling |
| VCC UVLO Hysteresis | 0.5 V typ, VCC UVLO |
| Startup Delay | 50 typ, 80 max us, VCC rising from 0 to VCCON + 1 V, tr = 10 us |
| Current Consumption | 1.8 typ, 2.5 max mA, CDRV = 0 nF, tMIN_TON = tMIN_TOFF = 1 us, fCS = 100 kHz, tLLD = 130 us, version xAxxxxx |
| Current Consumption | 1.7 typ, 2.4 max mA, CDRV = 0 nF, tMIN_TON = tMIN_TOFF = 1 us, fCS = 100 kHz, tLLD = 130 us, version xBxxxxx |
| Current Consumption Below UVLO | 35 typ, 60 max uA, VCC = VCCOFF - 0.1 V |
| Current Consumption In Disable Mode | 60 typ, 100 max uA, t > tLLD, VLLD = 0.55 V |
| Output Voltage Rise Time | 60 typ, 100 max ns, CDRV = 10 nF, 10% to 90% VDRVMAX, VCS = 4 to -1 V |
| Output Voltage Fall Time | 25 typ, 45 max ns, CDRV = 10 nF, 90% to 10% VDRVMAX, VCS = -1 to 4 V |
| Driver Source Resistance | 2 ohm typ, VCC = 12 V, TJ = 25 °C typical |
| Driver Sink Resistance | 0.5 ohm typ, VCC = 12 V, TJ = 25 °C typical |
| Output Peak Source Current | 2 A, driver output |
| Output Peak Sink Current | 7 A, driver output |
| Maximum Driver Pulse Length | 4 ms, driver output |
| Maximum Driver Output Voltage | 9 min, 10 typ, 11 max V, VCC = 35 V, CDRV > 1 nF, version xAxxxxx |
| Maximum Driver Output Voltage | 4.5 min, 5.0 typ, 5.5 max V, VCC = 35 V, CDRV > 1 nF, version xBxxxxx |
| CS To DRV Output On Propagation Delay | 30 typ, 60 max ns, VCS goes down from 4 to -1 V, tf_CS <= 5 ns |
| CS To DRV Output Off Propagation Delay | 13 typ, 23 max ns, VCS goes up from -1 to 4 V, tr_CS <= 5 ns |
| Turn On CS Threshold Voltage | -120 min, -75 typ, -40 max mV, CS input |
| Turn Off CS Threshold Voltage | -1 to 0 mV, guaranteed by design |
| CS Leakage Current | 500 nA max, VCS = 200 V |
| Trigger Threshold Voltage | 1.6 min, 2.0 typ, 2.2 max V, TRIG/DIS input |
| Trigger To DRV Propagation Delay | 10.0 typ, 16.5 max ns, VTRIG/DIS goes from 0 to 5 V, tr_TRIG/DIS <= 5 ns |
| Delay To Disable Mode | 75 min, 100 typ, 125 max us, VTRIG/DIS goes from 0 to 5 V |
| Maximum Operation Frequency | up to 1 MHz, feature list |
| Datasheet Status | request_only |
Product Overview
The NCP4306 is a Texas Instruments synchronous rectification driver categorized under Power_Management. It is specified for VCC operation up to 35 V, with absolute maximum VCC rating from -0.3 to 37.0 V and recommended operating junction temperature from -40 to 125 °C. The device also lists a 150 °C maximum junction temperature and -60 to 150 °C storage range.
Current-sense operation is central to the driver behavior. The CS pin has an absolute maximum range of -4 to 200 V and a dynamic input rating of -10 to 200 V for 200 ns pulses. Turn-on current-sense threshold is specified at -120 mV minimum, -75 mV typical, and -40 mV maximum, while turn-off threshold is -1 to 0 mV.
Driver output specifications include 2 A peak source current, 7 A peak sink current, 2 ohm typical source resistance, and 0.5 ohm typical sink resistance at VCC = 12 V and TJ = 25 °C. Package options include SOIC-8 NB, TSOP-6, DFN-8 4x4, and DFN-8 2.0x2.2 0.5P for different assembly requirements.
Key Features
- Synchronous rectification driver for Power_Management circuits
- Recommended VCC operating voltage up to 35 V
- CS input absolute maximum range from -4 to 200 V
- Dynamic CS input supports -10 to 200 V pulses
- Peak driver source current specified at 2 A
- Peak driver sink current specified at 7 A
- Output rise time 60 ns typical with 10 nF load
- Output fall time 25 ns typical with 10 nF load
- CS-to-DRV turn-on delay 30 ns typical
- CS-to-DRV turn-off delay 13 ns typical
- TRIG/DIS threshold specified at 2.0 V typical
- Maximum operating frequency up to 1 MHz
Typical Applications
- Synchronous rectification driver stages
- Power management converter designs
- Current-sense controlled rectification
- High-frequency switching power supplies
- MOSFET gate-drive circuits
- TRIG/DIS controlled driver applications
Procurement Notes
When requesting a quote for NCP4306, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What type of device is the NCP4306?
The NCP4306 is a Texas Instruments synchronous rectification driver in the Power_Management category. The extracted package options are SOIC-8 NB, TSOP-6, DFN-8 4x4, and DFN-8 2.0x2.2 0.5P.
What VCC operating voltage is specified for NCP4306?
The recommended maximum operating voltage for VCC is 35 V. The VCC pin absolute maximum supply voltage range is specified from -0.3 to 37.0 V.
What driver output current capability is listed?
The driver output peak source current is specified as 2 A, and the peak sink current is specified as 7 A. The DRV pin dynamic current rating is -3 to 12 A for tPW = 10 us.
What temperature range applies to NCP4306 operation?
The recommended operating junction temperature range is -40 to 125 °C. The absolute maximum junction temperature is 150 °C, and the storage temperature range is -60 to 150 °C.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 26, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.