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Overview
| Topology | Buck Converter |
| Input voltage | 6-24 V |
| Output 1 | 5 V / 2 A |
| IC revision | 1.1 |
Description
The ZSPM4012 is a DC/DC synchronous switching regulator with fully integrated power switches, internal compensation, and full fault protection.The 1MHz switching frequency enables using small filter components, resulting in reduced board space and reduced bill-of-materials costs.The ZSPM4012 utilizes current mode feedback in normal regulation pulse-width modulation (PWM) mode. When the regulator is disabled (EN pin is low), the ZSPM4012 draws less than 10μA quiescentcurrent. The ZSPM4012 integrates a wide range of protection circuitry, including input supply undervoltage lockout, output voltage soft start, current limit, VOUT over-voltage, and thermal shutdown. The ZSPM4012 includes supervisory reporting through the PG (Power Good) open drain output to interface other components in the system.
Features
- Output voltage options depending on ordercode
- Fixed output voltages: 1.5V, 1.8V, 2.5V, 3.3V, or 5V with +/- 2% output tolerance
- Adjustable output voltage range: 0.9V to 5V with +/- 1.5% reference
- Wide input voltage range:6V to 24V
- 1MHz +/- 10% fixed switching frequency
- 2A continuous output current
- High efficiency – up to 95%
- Current mode PWM control with pulsefrequency modulation (PFM) mode for improved light load efficiency
- Voltage supervisor for VOUT reported at the PG pin
- Input supply under voltage lockout
- Soft start for controlled startup with no overshoot
- Full protection for over-current, overtemperature, and VOUT over-voltage
- Less than 10μA in Disabled Mode
- Low external component count
Typical applications
- DVD, LCD, LED supplies
- Wireless access points, cable
- Set-top boxes
- Portable products, including
- Printers
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q (%) | DF (%) | RISO | Ceramic Type | W (mm) | Fl (mm) | L (µH) | ISAT (A) | fres (MHz) | Pins | Pitch (mm) | Gender | Type | Mount | L (mm) | H (mm) | IR (A) | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150080VS75000 | SPEC | 7 files | WL-SMCW SMT Mono-color Chip LED Waterclear | 570 | Bright Green | 572 | 40 | 2 | AlInGaP | 140 | – | – | – | 0805 | -40 °C up to +85 °C | – | – | – | – | 1.25 | – | – | – | – | – | – | – | – | SMT | 2 | 0.7 | – | – | – | – | Tape and Reel | ||
 | 744028004 | SPEC | 8 files | WE-TPC SMT Tiny Power Inductor | – | – | – | – | – | – | – | – | – | – | 2811 | -40 °C up to +125 °C | – | – | – | – | 2.8 | – | 4.7 | 0.7 | 70 | 2 | – | – | – | SMT | 2.78 | 1.1 | 0.85 | – | – | – | – | ||
 | 885012006061 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 470 pF | ±5% | 50 | 0603 | -55 °C up to +125 °C | 1000 | – | 10 GΩ | NP0 Class I | 0.8 | 0.4 | – | – | – | – | – | – | – | – | 1.6 | 0.8 | – | – | – | – | 7" Tape & Reel | ||
| 885012206027 | SPEC | 8 files | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | 2.2 µF | ±10% | 10 | 0603 | -55 °C up to +125 °C | – | 10 | 0.05 GΩ | X7R Class II | 0.8 | 0.4 | – | – | – | – | – | – | – | – | 1.6 | 0.8 | – | – | – | – | 7" Tape & Reel | ||
| 885012206067 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | 22 nF | ±10% | 25 | 0603 | -55 °C up to +125 °C | – | 3.5 | 10 GΩ | X7R Class II | 0.8 | 0.4 | – | – | – | – | – | – | – | – | 1.6 | 0.8 | – | – | – | – | 7" Tape & Reel | ||
| 885012206089 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 10 nF | ±10% | 50 | 0603 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 0.8 | 0.4 | – | – | – | – | – | – | – | – | 1.6 | 0.8 | – | – | – | – | 7" Tape & Reel | ||
| 885012206095 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 100 nF | ±10% | 50 | 0603 | -55 °C up to +125 °C | – | 3 | 5 GΩ | X7R Class II | 0.8 | 0.4 | – | – | – | – | – | – | – | – | 1.6 | 0.8 | – | – | – | – | 7" Tape & Reel | ||
| 885012208019 | SPEC | 8 files | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | 22 µF | ±10% | 10 | 1206 | -55 °C up to +125 °C | – | 10 | 0.005 GΩ | X7R Class II | 1.6 | 0.5 | – | – | – | – | – | – | – | – | 3.2 | 1.6 | – | – | – | – | 7" Tape & Reel | ||
| 885012208069 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | 10 µF | ±10% | 25 | 1206 | -55 °C up to +125 °C | – | 10 | 0.01 GΩ | X7R Class II | 1.6 | 0.5 | – | – | – | – | – | – | – | – | 3.2 | 1.6 | – | – | – | – | 7" Tape & Reel | ||
 | 61201421621 | SPEC | – | 7 files | WR-BHD 2.54 mm Male Box Header | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 1000 MΩ | – | – | – | – | – | – | 14 | 2.54 | Male | Straight | THT | 25.44 | – | 3 | 250 | 20 | max. | Tray |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 150080VS75000 | SPEC | |
| 744028004 | SPEC | |
| 885012006061 | SPEC | |
| 885012206027 | SPEC | |
| 885012206067 | SPEC | |
| 885012206089 | SPEC | |
| 885012206095 | SPEC | |
| 885012208019 | SPEC | |
| 885012208069 | SPEC | |
| 61201421621 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q (%) | DF (%) | RISO | Ceramic Type | W (mm) | Fl (mm) | L (µH) | ISAT (A) | fres (MHz) | Pins | Pitch (mm) | Gender | Type | Mount | L (mm) | H (mm) | IR (A) | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Packaging | Samples |
|---|