IC manufacturers Sanken Electric Co., Ltd.
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Overview
| Topology | Buck Converter |
| Input voltage | 85-265 V |
| Output 1 | 16.05 V / 0.7 A |
| IC revision | 1.0 |
Description
The STR3A453D is a power IC for switching power supplies, incorporating a power MOSFET and a current-mode PWM controller IC.The product achieves low power consumption and low standby power by including a startup circuit and a standby function that automatically switch operation modes – PWM mode in normal operation and burst-oscillation mode under light-load conditions. Its enhanced protection functions also enable higher cost-effective power supply systems with few external components.
Features
- Low Thermal Resistance Package
- Improving circuit efficiency (Since the step drive control can keep VRM of secondary rectification diodes low, the circuit efficiency can be improved by low VF.)
- Current Mode Type PWM Control
- Soft Start Function
- Auto Standby Function No Load Power Consumption < 15mW
- Operation Mode Normal Operation: PWM Mode Light Load Operation: Green-Mode Standby: Burst Oscillation Mode
- Random Switching Function
- Slope Compensation Function
- Leading Edge Blanking Function
- Bias Assist Function
- Protections Overcurrent Protection (OCP): Pulse-by-Pulse Overload Protection (OLP): Auto-restart Overvoltage Protection (OVP): Auto-restart Thermal Shutdown (TSD): Auto-restart with hysteresis
Typical applications
- AC/DC adapter
- White goods, Other SMPS
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | ISAT (A) | fres (MHz) | Version | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | IR (A) | L (mH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Pins (Value) (pcs) | Rows | G (mm) | Gender | Type | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890334023023CS | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | Across the mains | 100 nF | X2 | 300 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 10 | ±10% | Pitch 10 mm | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | 310 | – | – | 13 | 7 | 13 | Boxed THT | – | – | 4 | – | – | Carton | ||
 | 744862120 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TFC Common Mode Power Line Choke | – | – | – | – | – | – | – | – | – | UU 9.8 V | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | 0.4 | 12 | 2 | 300 | 2500 | MnZn | 17 | 11.5 | 17 | THT | 4 | – | 3.5 | – | – | – | ||
 | 7447231221 | SPEC | 13 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | – | – | 1018 | -40 °C up to +125 °C | – | – | – | 2.1 | 2.4 | Heat Shrinking Tube | – | – | – | – | 1.75 | 0.22 | 0.2 | – | – | – | 11 | 11 | 19 | THT | – | – | – | – | – | – | ||
 | 860020672011 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATG5 Aluminum Electrolytic Capacitors | – | 22 µF | – | – | – | – | -40 °C up to +105 °C | 2 | ±20% | – | – | 10 | – | – | – | – | – | 2000 | 60 | 11 | 5 | – | – | – | 50 | – | – | 11 | – | – | – | – | – | – | – | – | Ammopack | ||
 | 860080475016 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATLI Aluminum Electrolytic Capacitors | – | 470 µF | – | – | – | – | -55 °C up to +105 °C | 5 | ±20% | – | – | 10 | – | – | – | – | – | 5000 | 1415 | 117.5 | 10 | – | – | – | 25 | – | – | 16 | – | – | – | – | – | – | – | – | Ammopack | ||
 | 885012207086 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | 1 nF | – | – | – | 10 GΩ | – | – | ±10% | 0805 | -55 °C up to +125 °C | 2.5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | 50 | – | – | 2 | 1.25 | 0.8 | – | – | – | – | – | – | 7" Tape & Reel | ||
| 885012207097 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | 68 nF | – | – | – | 7.4 GΩ | – | – | ±10% | 0805 | -55 °C up to +125 °C | 2.5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | 50 | – | – | 2 | 1.25 | 0.8 | – | – | – | – | – | – | 7" Tape & Reel | ||
 | 61300211121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | 1000 MΩ | – | 2.54 | – | – | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | 3 | – | – | – | – | – | 5.08 | – | – | THT | 2 | Single | – | Pin Header | Straight | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890334023023CS | SPEC | |
| 744862120 | SPEC | |
| 7447231221 | SPEC | |
| 860020672011 | SPEC | |
| 860080475016 | SPEC | |
| 885012207086 | SPEC | |
| 885012207097 | SPEC | |
| 61300211121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | ISAT (A) | fres (MHz) | Version | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | IR (A) | L (mH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Pins (Value) (pcs) | Rows | G (mm) | Gender | Type | Packaging | Samples |
|---|