IC manufacturers Richtek
IC manufacturers (103)
- All manufacturers
Analog Devices
Infineon Technologies
Microchip
Onsemi
Renesas
ROHM
STMicroelectronics
Texas Instruments
- 3peak incorporated (28)
- Ablic (23)
- Acco Semiconductor (1)
- Advanced Power (4)
- Allegro Microsystems (100)
- Alpha & Omega Semiconductor (37)
- AnalogySemi (3)
- AnDAPT Inc (204)
- Anpec (13)
- AXElite (2)
- Backward (6)
- Bright Power Semiconductor (1)
- Broadcom (46)
- Cambridge GaN Devices (18)
- Chipanalog Micro (10)
- Cologne Chips (1)
- Convenient Power (1)
- Dialog Semiconductor (12)
- Diodes Incorporated (259)
- Divimath (8)
- Elmos AG (1)
- EPC (137)
- e-Peas Semiconductors (1)
- Eta Solutions Co. Ltd. (9)
- GaN Systems (8)
- GaNPower (3)
- Giantec (1)
- Gstek Wuxi (1)
- Helix Semiconductor (7)
- IKON (1)
- Indie Semiconductor (8)
- Innovision Semiconductor Inc (2)
- Intel (68)
- Inventchip Technology (3)
- ISSI (51)
- JoulWatt (20)
- KDPOF (3)
- Kinetic Technology (8)
- Lattice semiconductor Corporation (38)
- Littelfuse (1)
- Lumissil Microsystems (8)
- M3 Technology (M3Tek) (7)
- Macnica (22)
- Marvell Semiconductor (1)
- MaxLinear (181)
- Menlo Micro (1)
- MikroE (25)
- MindCet (2)
- Monolithic Power Systems (980)
- Navitas Semiconductor Inc (6)
- NewEdge Technologies, Inc. (1)
- Nexperia (266)
- Nisshinbo Micro Device Inc. (10)
- Novosense Micro (1)
- NXP (335)
- O2 Micro International Ltd (10)
- On Bright (7)
- Panasonic (2)
- PN Junction Semiconductor (2)
- Power Integrations (117)
- Powermat (1)
- Pulsiv (19)
- Qorvo (96)
- Realsil SuRealsil(tek) Microelectronics (1)
- Richtek (297)
- Sanken Electric Co., Ltd. (16)
- Sckipio (6)
- Semtech (86)
- SG-Micro (54)
- SiFive (2)
- Silanna Semiconductor (9)
- Silergy Corporation (33)
- Silicon Laboratory Inc. (108)
- Silicontent Technology (59)
- Silvertel (59)
- Skycore Semiconductors (1)
- Skyworks (33)
- Southchip (14)
- Summit Wireless (1)
- Tagore Tech (7)
- Taiwan Semiconductor (1)
- TDK Corporation (1)
- Tempo Semiconductor (1)
- Torex (37)
- Toshiba (25)
- Transphorm (21)
- TransSIP (2)
- Union (21)
- uPI Semiconductor (2)
- Valens Semiconductor (31)
- Wise Integration (3)
- Wolfspeed (23)
- Xilinx (22)
- XL Semiconductor (3)
- XYSemi (62)
Richtek RTQ2812A | Demoboard DSQ2812A-00
12A, 17V, ACOT® High-Efficiency Synchronous Step-Down Converter
Overview
| Topology | Buck Converter |
| Input voltage | 2.7-17 V |
| Output 1 | 5.5 V / 12 A |
| IC revision | 1 |
Description
The RTQ2812A is a high-performance, synchronous buck converter that can deliver up to 12A output current with a wide input supply voltage range from 3.5V to 17V. The device integrates low RDSON power MOSFETs, an accurate 0.6V 1% reference over the full operating junction temperature range, and an integrated diode for the bootstrap circuit, offering a very compact solution.
Features
- Wide Input Voltage Range
- 2.7V to 17V with External 3.3V VCC Bias
- 3.5V to 17V with Internal VCC Bias
- Output Voltage from 0.6V to 5.5V
- 0.6V 0.5% Voltage Reference from 0C to 70 C Junction Temperature Range
- 0.6V 1% Voltage Reference from −40C to 150 C Junction Temperature Range
- ACOT® Control for Excellent Transient Performance
- Stable with Ceramic Output Capacitors
- Selectable FCCM or PSM Operation at Light Load
- Selectable Operation Switching Frequency (600KHz/800KHz/1MHz)
- Non-Latch for OCP, UVP, UVLO, and OTP Faults. Latch-Off for OVP
- Differential Remote Sense Voltage for High Output Accuracy
- Power-Good Indicator
- Enable Control
- Programmable Soft-Start Time with a Default of 1ms
- Programmable Valley Current Limit Level
- Monotonic Start-Up into Pre-Biased Outputs
- Output Voltage Tracking
- Small 21T-Lead WQFN (3x4) (FC) Package
Typical applications
- Point of Load (POL) Power Modules
- High Density DC-DC Converters
- Servers, Storage and Network Equipment, Telecom Infrastructure
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | RDC typ.(mΩ) | RDC max.(mΩ) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 0.47 µH, 31.9 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance0.47 µH | Performance Rated Current31.9 A | Saturation Current @ 10%9 A | Saturation Current @ 30%20 A | DC Resistance1.35 mΩ | Self Resonant Frequency235 MHz | MaterialSuperflux | – | DC Resistance1.485 mΩ | MountSMT | ||||
 | WE-XHMI SMT Power Inductor, 0.68 µH, 38 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | Inductance0.68 µH | Performance Rated Current38 A | Saturation Current @ 10%26 A | Saturation Current @ 30%52.2 A | DC Resistance1.41 mΩ | Self Resonant Frequency62 MHz | – | DC Resistance1.41 mΩ | DC Resistance1.69 mΩ | MountSMT | ||||
| WE-XHMI SMT Power Inductor, 1 µH, 30.25 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | Inductance1 µH | Performance Rated Current30.25 A | Saturation Current @ 10%18.15 A | Saturation Current @ 30%38.15 A | DC Resistance2.1 mΩ | Self Resonant Frequency53 MHz | – | DC Resistance2.1 mΩ | DC Resistance2.32 mΩ | MountSMT | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 1.2 µH, 32.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.2 µH | Performance Rated Current32.6 A | Saturation Current @ 10%12 A | Saturation Current @ 30%25 A | DC Resistance1.8 mΩ | Self Resonant Frequency75 MHz | MaterialSuperflux | – | DC Resistance1.98 mΩ | MountSMT | ||||
| WE-XHMI SMT Power Inductor, 1.5 µH, 25.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | Inductance1.5 µH | Performance Rated Current25.1 A | Saturation Current @ 10%15 A | Saturation Current @ 30%32 A | DC Resistance2.91 mΩ | Self Resonant Frequency37 MHz | – | DC Resistance2.91 mΩ | DC Resistance3.5 mΩ | MountSMT |