TI UC1825VTD1
| Produttore | |
| Cod. Prod. | UC1825VTD1 |
| Cod. LCSC | C1530587 |
| Imballo | - |
| Numero Cliente | |
| Attr. chiave | DC DC Switching Controllers |
| Scheda Tecnica | TI UC1825VTD1 |
Specifiche del Prodotto
| Tipo | Descrizione | |
|---|---|---|
| Categoria | Integrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers | |
| Produttore | TI | |
| Imballo | - | |
| Operating Temperature | - | |
| Output Current | - | |
| Features | Adjustable soft-start;Under-voltage lockout | |
| Topology | - | |
| Duty Cycle(Max) | - | |
| Feedback System | - | |
| Frequency - Switching | - | |
| Operating Voltage | - | |
| Working Mode | - | |
| Output Voltage | - |
| Tipo | Descrizione | |
|---|---|---|
| Categoria | Integrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers | |
| Produttore | TI | |
| Imballo | - | |
| Operating Temperature | - | |
| Output Current | - | |
| Features | Adjustable soft-start;Under-voltage lockout | |
| Topology | - |
| Tipo | Descrizione | |
|---|---|---|
| Duty Cycle(Max) | - | |
| Feedback System | - | |
| Frequency - Switching | - | |
| Operating Voltage | - | |
| Working Mode | - | |
| Output Voltage | - |
Descrizione
The UC1825-DIE PWM control device is optimized for high-frequency switch-mode power supply applications. Special attention has been given to significantly increasing the error amplifier bandwidth and slew rate while greatly reducing propagation delays through the comparators and logic circuitry. This controller is designed for current-mode or voltage-mode systems with output voltage feedforward capability.
Protection circuitry includes a current limit comparator with a 1V threshold voltage, a TTL-compatible shutdown port, and a soft-start pin that can be folded back as a maximum duty cycle clamp. The logic is fully latched to provide pulse-by-pulse operation free of jitter and to suppress multiple pulses on the output. An undervoltage lockout section with 800mV hysteresis ensures low startup current. During undervoltage lockout, the outputs are high impedance.
The device features push-pull outputs designed to source and sink high peak currents from capacitive loads such as the gate of a power MOSFET. The on-state is designed to be a high level.
Caratteristiche
- Radiation hardened: 30kRad (Si) total ionizing dose (TID)
- Compatible with voltage- or current-mode topologies
- 50ns propagation delay from oscillator switching frequency to output
- High-current dual push-pull outputs
- Wide-bandwidth error amplifier
- Full latch logic with double-pulse suppression
- Pulse-by-pulse current limiting
- Soft-start/maximum duty cycle control
- Undervoltage lockout with hysteresis
- Low startup current
| Qtà | Pr. unit.(Solo per riferimento) | Importo totale |
|---|---|---|
| 1+ | $ 357.4716 | $ 357.47 |
| 30+ | $ 340.0191 | $ 10200.57 |
Package Standard88/Full Tube | ||
Specifiche del Prodotto
| Tipo | Descrizione | |
|---|---|---|
| Categoria | Integrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers | |
| Produttore | TI | |
| Imballo | - | |
| Operating Temperature | - | |
| Output Current | - | |
| Features | Adjustable soft-start;Under-voltage lockout | |
| Topology | - | |
| Duty Cycle(Max) | - | |
| Feedback System | - | |
| Frequency - Switching | - | |
| Operating Voltage | - | |
| Working Mode | - | |
| Output Voltage | - |
| Tipo | Descrizione | |
|---|---|---|
| Categoria | Integrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers | |
| Produttore | TI | |
| Imballo | - | |
| Operating Temperature | - | |
| Output Current | - | |
| Features | Adjustable soft-start;Under-voltage lockout | |
| Topology | - |
| Tipo | Descrizione | |
|---|---|---|
| Duty Cycle(Max) | - | |
| Feedback System | - | |
| Frequency - Switching | - | |
| Operating Voltage | - | |
| Working Mode | - | |
| Output Voltage | - |
Descrizione
The UC1825-DIE PWM control device is optimized for high-frequency switch-mode power supply applications. Special attention has been given to significantly increasing the error amplifier bandwidth and slew rate while greatly reducing propagation delays through the comparators and logic circuitry. This controller is designed for current-mode or voltage-mode systems with output voltage feedforward capability.
Protection circuitry includes a current limit comparator with a 1V threshold voltage, a TTL-compatible shutdown port, and a soft-start pin that can be folded back as a maximum duty cycle clamp. The logic is fully latched to provide pulse-by-pulse operation free of jitter and to suppress multiple pulses on the output. An undervoltage lockout section with 800mV hysteresis ensures low startup current. During undervoltage lockout, the outputs are high impedance.
The device features push-pull outputs designed to source and sink high peak currents from capacitive loads such as the gate of a power MOSFET. The on-state is designed to be a high level.
Caratteristiche
- Radiation hardened: 30kRad (Si) total ionizing dose (TID)
- Compatible with voltage- or current-mode topologies
- 50ns propagation delay from oscillator switching frequency to output
- High-current dual push-pull outputs
- Wide-bandwidth error amplifier
- Full latch logic with double-pulse suppression
- Pulse-by-pulse current limiting
- Soft-start/maximum duty cycle control
- Undervoltage lockout with hysteresis
- Low startup current
Conformità & Codici di Esportazione
| Tipo | Dettagli |
|---|---|
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
| Tipo | Dettagli |
|---|---|
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Tipo | Dettagli |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |