IC manufacturers (99)
- All manufacturers
Analog Devices
Infineon Technologies
Microchip
Onsemi
Renesas
ROHM
STMicroelectronics
Texas Instruments
- 3peak incorporated (27)
- Ablic (23)
- Advanced Power (4)
- Allegro Microsystems (84)
- Alpha & Omega Semiconductor (37)
- AnalogySemi (3)
- AnDAPT Inc (172)
- Anpec (13)
- AXElite (2)
- Backward (6)
- Bright Power Semiconductor (1)
- Broadcom (47)
- Cambridge GaN Devices (18)
- Chipanalog Micro (10)
- Cologne Chips (1)
- Convenient Power (1)
- Dialog Semiconductor (12)
- Diodes Incorporated (238)
- Divimath (8)
- Elmos AG (1)
- EPC (99)
- e-Peas Semiconductors (1)
- Eta Solutions Co. Ltd. (9)
- GaN Systems (7)
- GaNPower (3)
- Giantec (1)
- Gstek Wuxi (1)
- Helix Semiconductor (7)
- Ikanos (3)
- IKON (1)
- Indie Semiconductor (5)
- Innovision Semiconductor Inc (2)
- Intel (80)
- Inventchip Technology (3)
- ISSI (51)
- JoulWatt (20)
- KDPOF (2)
- Kinetic Technology (10)
- Lattice semiconductor Corporation (19)
- Littelfuse (1)
- M3 Technology (M3Tek) (7)
- Macnica (16)
- MaxLinear (175)
- MikroE (8)
- MindCet (2)
- Monolithic Power Systems (929)
- Navitas Semiconductor Inc (6)
- NewEdge Technologies, Inc. (1)
- Nexperia (32)
- Nisshinbo Micro Device Inc. (10)
- Nordic Semiconductor (1)
- Novosense Micro (1)
- NXP (314)
- O2 Micro International Ltd (10)
- On Bright (7)
- Panasonic (2)
- PN Junction Semiconductor (2)
- Power Integrations (110)
- Pulsiv (19)
- Qorvo (87)
- Realsil SuRealsil(tek) Microelectronics (1)
- Richtek (296)
- Sanken Electric Co., Ltd. (16)
- Sckipio (6)
- Semtech (90)
- SG-Micro (33)
- Silanna Semiconductor (8)
- Silergy Corporation (30)
- Silicon Laboratory Inc. (104)
- Silicontent Technology (57)
- Silvertel (56)
- Skycore Semiconductors (1)
- Skyworks (31)
- Southchip (8)
- 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 (18)
- Wise Integration (1)
- Wolfspeed (8)
- Xilinx (22)
- XL Semiconductor (3)
- XYSemi (62)
Overview
| Topology | Boost Converter |
| Input voltage | 2.8-36 V |
| Output 1 | 36 V |
| IC revision | 0.2 |
Description
XR4981A is a high efficiency synchronous boost controller that converts from 2.8V~36V input range and up to 36Voutput voltage with two outside N-channel MOSFETs for the synchronous switches.The XR4981A includes adjustable current limit, adjustable soft-start, adjustable compensation net and thermal shutdown preventing damage in the event of an output overload.For different application we can select suitable compensation net、current limit soft start and select suitable MOSFET toobtain a high efficiency
Features
- 2.8V~36V input voltage range
- Adjustable output voltage from 5V to 36V
- 1.21V VFB reference voltage
- Adjustable current limit
- Adjustable soft-start
- Adjustable compensation net
- Input under voltage lockout
- 400KHz fixed switching frequency
- Thermal shutdown
- QFN3x3-16 Package Rohs Compliant and Halogen Free
Typical applications
- 5V/9V/12V BUS Power Supply / Power Amplify Device
- Type C USB Device
- Power Bank
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 max. (mΩ) | LR (µH) | RDC typ. (mΩ) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744311220 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 2.2 | 10.2 | 5.6 | 13 | 11.4 | 52 | Superflux | 12.54 | 1.75 | – | SMT | ||
 | 7443330220 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCC SMT High Current Cube Inductor | 2.2 | 17.4 | 22.5 | 25.6 | – | 80 | Ferrite | 4.8 | 2.1 | 4.6 | SMT | ||
 | 74439358022 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-XHMI SMT Power Inductor | 2.2 | 21.85 | 12.55 | 26.45 | 3.7 | 33 | – | 4.07 | – | 3.7 | SMT | ||
 | 74437349022 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 2.2 | 9.9 | 10.5 | 19.1 | – | 30 | – | 12 | – | 11.2 | SMT | ||
| 74437368022 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 2.2 | 14.3 | 18.1 | 38.7 | – | 27 | – | 7 | – | 6.5 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744311220 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 7443330220 | SPEC | |
| 74439358022 | SPEC | |
| 74437349022 | SPEC | |
| 74437368022 | SPEC |
| Samples |
|---|
| 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 max. (mΩ) | LR (µH) | RDC typ. (mΩ) | Mount | Samples |
|---|