MPQ4371-AEC1
36V, 6A to 11A, Low-EMI, Synchronous Step-Down Converter with ZDPTM, AEC-Q100 Qualified
Active Part Numbers:
MPQ4371GVE-xxxx-AEC1-Z MPQ4371GVE-xxxx-AEC1-P MPQ4371GVE-1000-AEC1-Z MPQ4371GVE-1000-AEC1-P MPQ4371GVTE-xxxx-AEC1-Z MPQ4371GVTE-xxxx-AEC1-P MPQ4371GVTE-1001-AEC1-Z MPQ4371GVTE-1001-AEC1-P
Meaning of P & Z 
Related Products
The EVQ4371-V-1000-00A is an evaluation board designed to demonstrate the capabilities of the MPQ4371-1000, a synchronous, step-down switching regulator with integrated, low on resistance (RDS(ON)) high-side and low-side power MOSFETs (HS-FET and LS-FET, respectively). The device provides 11A of output current (IOUT) and employs zero-delay pulse-width modulation (ZDPTM) control, an MPS-exclusive technology that delivers extremely fast transient response while reducing the need for costly external capacitors.
The wide 3.3V to 36V input voltage (VIN) range accommodates a variety of step-down applications in automotive input environments. A 1.8μA shutdown mode quiescent current (IQ) allows for use in battery-powered applications.
High power conversion efficiency across a wide load range is achieved by scaling down the switching frequency (fSW) under light-load conditions to reduce the switching and gate driving losses.
An open-drain power good (PG) signal indicates whether the output is within 94% to 106% of its nominal voltage.
Frequency foldback helps prevent inductor current (IL) runaway during start-up. Thermal shutdown provides reliable, fault-tolerant operation.
A high duty cycle and low-dropout (LDO) mode are provided to support automotive cold-crank conditions.
The EVQ4371-V-1000-00A is fully assembled and tested. The MPQ4371-1000 is available in a QFN-23 (4mmx5mm) package with wettable flanks. It is available in AEC-Q100 Grade 1.
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