Automotive Linear LDO High Precision Voltage Tracking Regulator TLS105B0MB: typical application circuit

Open online SPICE simulator circuit link: atv_LDO_TLS105B0MB_high_precision_tracker_application_circuit.TSC


Automotive High Precision Voltage Tracking Regulator TLS105B0MB
Application Circuit

Ven range 2V to 20V for tracking functionality

The OPTIREG™ Linear TLS105B0MB is a monolithic integrated low-dropout voltage tracking
regulator with high accuracy. The TLS105B0MB is designed to supply off-board systems, for
example sensors in powertrain management systems under the severe conditions of automotive
applications. Up to a supply voltage of 40 V and up to an output current of 50 mA the output
voltage follows the reference voltage applied to the EN/ADJ input with very high accuracy.
The required minimum reference voltage at EN/ADJ is 2.0 V

The TLS105B0MB has additional protection functions against reverse polarity as well as short
circuit to GND and battery.

{ Please double click here to enter design criteria }

{ Load Resistance }
R_Load := 200;
{ Number of Thermal Model }
THERMAL_MODEL := 1;
{ Ambient Temperature }
T_AMB := 25;

Thermal model description:
THERMAL_MODEL = 1: JEDEC 1s0p, 600mm2 cooling area
THERMAL_MODEL = 2: JEDEC 1s0p, 300mm2 cooling area
THERMAL_MODEL = 3: JEDEC 1s0p, footprint
THERMAL_MODEL = 4: JEDEC 2s2p, no vias
THERMAL_MODEL = 5: JEDEC 2s2p, with vias
THERMAL_MODEL = 10: No self heating, only TEMP value used as temperature

Model performance :
- dynamic behavior not modeled (CQ/ESR stability, line/load transient response,
start-up, PSRR)
- static behavior is modeled by approximation to the real behavior of the device
over temperature
- the thermal simulations represent an approximation of the actual thermal
the behavior of the device according to the JEDEC standards at Power = 0.2 Watt
and Temperature = 25 °C


Product info: TLS105BOMB
Evaluation Board: TLS105B0MB BOARD
Technical Assistance

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Voltage Regulator