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Details for TPS57040QDGQRQ1 by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CONV BUCK 2.5MHZ MSOP POWERPAD
TPS57040QDGQRQ1 image

TPS57040QDGQRQ1 by Texas Instruments

DC/DC CONV BUCK 2.5MHZ MSOP POWERPAD
Features
0.8-V Internal Voltage Reference
1.5-u03bcA Shutdown Current
100-kHz to 2.5-MHz Switching Frequency
116-u03bcA Operating Quiescent Current
200-mu2126 High-Side MOSFET
3.5-V to 42-V Input Voltage Range
AEC-Q100 Qualified With the Following Results u2013 Device Temperature Grade 1: u201340u00b0C to 125u00b0C Ambient Operating Temperature Range u2013 Device HBM ESD Classification Level 2 u2013 Device CDM ESD Classification Level C4B
Adjustable Slow Start/Sequencing
Adjustable Undervoltage Lockout Voltage and Hysteresis
High Efficiency at Light Loads with a Pulse Skipping Eco-modeu2122 Control Scheme
Qualified for Automotive Applications
Supported by SwitcherProu2122 Software Tool
Synchronizes to External Clock
Undervoltage and Overvoltage Power-good Output
Part Information
TPS57040QDGQRQ1 image
RoHS Compliant
Description
The TPS57040-Q1 device is a 42-V 0.5-A step-down regulator with an integrated high-side MOSFET. Current mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no load, input supply current to 116 μA. Using the enable pin, shutdown supply current is reduced to 1.5 μA, when the enable pin is low. Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow start pin that can also be configured for sequencing/tracking. An open drain power-good signal indicates the output is within 92% to 109% of its nominal voltage. A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition. The TPS57040-Q1 is available in a 10-pin thermally enhanced MSOP PowerPAD™ package (DGQ) and a 10-pin SON package (DRC).
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
3.5V
Input Voltage Max:
42V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
MSOP PowerPAD
No. of Pins:
10Pins
Output Current:
500mA
Output Voltage Min:
800mV
Output Voltage Max:
39V
Switching Frequency:
2.5MHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
AEC-Q100
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Module DC-DC 1-OUT 0.8V to 39V 0.5A 10-Pin HTSSOP EP T/R Avnet America
Module DC-DC 1-OUT 0.8V to 39V 0.5A 10-Pin HTSSOP EP T/R Avnet Europe