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LD59150

STMicroelectronics
Part Number LD59150
Manufacturer STMicroelectronics
Description 1.5A low-dropout linear regulator
Published May 11, 2019
Detailed Description LD59150 Datasheet 1.5 A low-dropout linear regulator with programmable soft-start DFN10 3 x 3 wettable flanks Maturity ...
Datasheet PDF File LD59150 PDF File

LD59150
LD59150

Overview
LD59150 Datasheet 1.
5 A low-dropout linear regulator with programmable soft-start DFN10 3 x 3 wettable flanks Maturity status link LD59150 Features • AEC-Q100 qualified • Dual supply pins – VIN: 0.
8 V to 5.
5 V – VBIAS: 2.
7 V to 5.
5 V • VOUT range: 0.
8 V to 3.
6 V • Ultra low-dropout: 65 mV typ.
(125 mV max.
) at 1.
5 A • High VOUT accuracy – 0.
5% typ.
at Tamb – 2% max.
• Power Good function • Programmable soft-start • Thermal shutdown • Current limitation circuit • Adjustable output voltage • Stable with low ESR output capacitor (> 2.
2 µF) • DFN10 (3x3) mm package with wettable flanks • Operating temperature range: - 40 °C + 125 °C Applications • Automotive and industrial post regulation • Generic POL • Automotive and industrial ASICs and FPGA supply • Telecom infrastructure • A.
D.
A.
S.
(advanced driver-assistance systems) Description The LD59150 is a 1.
5 A LDO regulator, designed to be used in several environments.
Two versions, Industrial and AEC-Q100 are available.
NMOS topology allows RDS(on) of the pass-element to be reduced, which results in a very small dropout voltage even with a very low input supply voltage.
Output voltage can be adjusted from 0.
8 to 3.
6 V, by an external resistor divider.
The programmable soft-start circuit offers the possibility to control the inrush current at start-up providing a monotonic supply voltage to the load.
The LD59150 has enable pin to turn on/off (EN) the regulator and Power Good to monitor the regulated output voltage (PG).
The combination of both can be used to set a desired power sequence in case of multiple regulated rails.
The LD59150 embeds protection functions, such as: current limit and thermal shutdown.
DS12455 - Rev 7 - May 2023 For further information contact your local STMicroelectronics sales office.
www.
st.
com 1 Diagram VIN VBIAS EN SS Figure 1.
Block diagram Current limit UVLO Enable Soft Start Bandgap reference OPA MP ++− Thermal protection GND + - 0.
9 x VREF LD59150 Diag...


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