Features
- 3-channel high-performance LDO IC
- Separate input supply and enable for flexible power configurations
- Output current range max 800mA (LDO_LV)
- LDO_LV channel has bypass mode
- High PSRR of 98.5dB at 1kHz and 68dB at 1MHz (LDO_HP)
- Ultra-low output voltage noise of 16µV (LDO_HP)
- Low dropout voltage of 10mV per 100mA of load (LDO_LV)
- Adjustable slew rate and current limit
- Customizable 1.2V to 5V GPIOs/I²C, configurations, controls, and power sequencer
- GreenPAK™ Combo Function and Delay Macrocell resources
- 300nA shutdown mode IQ
- Package: 14-pin TQFN (2.0mm x 2.2mm x 0.55mm)
Description
The SLG51003V 3-channel high PSRR LDO Power GreenPAK™ programmable mixed-signal matrix contains three compact and customizable low-dropout regulators and is designed for advanced sensor applications and other battery-powered equipment. The device is offered in a small plastic TQFN package for an affordable PCB solution.
The SLG51003V features high PSRR and low noise performance, high peak current capability on all channels, a user pin-selectable I²C slave address, and customizable configurations and controls for advanced scenarios and power sequencing. Easy-to-use free development software via the Go Configure™ Software Hub is also available to provide developers with a fast ramp to high-volume production.
Parameters
| Attributes | Value |
|---|---|
| Special Features | 3x LDO (1x HP 475mA; 1x HV 500mA; 1x LV/Load Switch 800mA), Remote Sense |
| GPIOs (#) | 5 |
| Nominal VDD | 2.8 - 5 |
| VDD2 (V) | 1.2 - 5 |
| CNT/DLY (Max) (#) | 4 |
| LUTs (Max) (#) | 8 |
| D Flip-flops (DFFs) (#) | 8 |
| Oscillator Type | Internal Oscillator (8 MHz) |
| Temperature Sensor (ch) (#) | 1 |
| Interface | I2C |
| Memory Type | OTP |
| Temp. Range (°C) | -40 to +85°C |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| TQFN | 2.0 x 2.2 | 14 | 0.4 |
Application Block Diagrams
 | Smart Vision AI Camera Module AI camera module offers various detection features for smart applications. |
Additional Applications
- Advanced sensor applications
- RF applications and wireless interfaces
- Battery-powered equipment
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SLG51003V Power GreenPAK Evaluation Board
The SLG51003V evaluation board (EVB) provides programming, emulation, and testing functions for the SLG51003V 3-channel, high-PSRR LDO Power GreenPAK™ programmable mixed-signal matrix. Working in conjunction with the Go Configure™ Software Hub, it can be used as a standalone board, with the... Read More
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Support Communities
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Regarding the LDO control in SLG51003V
Hi, How can I enable the LDO's on the SLG51003V EVK Kit with the I2C.And Is it necessary to have the GreenPAK Power Development Motherboard for any controlling of LDO's.I am debugging using GDB.
Dec 18, 2025 -
Regarding to program of SLG51003V
Hi, The below are the few queries regarding to program SLG51003V : 1)How can we program the SLG51003V IC with the power GreenPAK Evaluation Board ? 2)Is it possible to program the IC with the GSD ? 3)What is the need of Power GreenPAK Development Motherboard ? And is it necessary ...
May 21, 2026
Knowledge Base
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SLG51003V: Custom OTP Configuration and stock control
Last Updated: 10/07/2024 Question: Do you think having custom OTP configuration requires stock control just like other custom chips? Answer: Unlike other custom chips which cannot quickly be changed without a silicon re-spin, the SLG51003 can be adapted to meet various requirements. For example, it ...
Oct 7, 2024 -
SLG51003V: Difference between VDDBUS and VDDIO
VDDBUS depends on VDDIO. It defines the voltage thresholds for I2C pins (GPIO4_SDA; GPI5_SCL) and can be set in a range between 1.2 V to 5.0 V. See summary table with VDDBUS and VDDIO references: PMIC SLG51003 Supported voltage levels VDDIO reference(external) GPIO1 to 3 ...
Oct 7, 2024 -
SLG51003V: Remote Sense Pin
Last Updated: 10/07/2024 Question: What is Remote Sense Pin on LDO1? What is the purpose of using it? Answer: LDO_HP (LDO1) allows user to apply remote sense mode in order to regulate voltage at load side. This allows to handle distant loads, such as one ...
Oct 7, 2024
Support Communities
