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LMS3655LQRNLRQ1 Buck Switching Regulator IC Fixed 5V 1 Output 5.5A 22-VFQFN
Buck Switching Regulator IC Positive Fixed 5V 1 Output 5.5A 22-VFQFN
The LMS3635-Q1 and LMS3655-Q1 synchronous buck regulators are optimized for high performance applications, providing an output voltage of 3.3 V, 5V, or an adjustable output of 1 V to 20 V. Seamless transition between PWM and PFM modes, along with a low quiescent current, ensures high efficiency and superior transient responses at all loads.
Features of LMS3655LQRNLRQ1
AEC-Q100-qualified for automotive applications
– Device temperature grade 1: –40°C to +125°C
ambient operating temperature
– Device HBM classification level 2
– Device CDM classification level C6
• 96% Peak efficiency while converting 12 V to 5 V
• Low EMI and minimized switch node ringing
• 400-kHz (±10%) fixed switching frequency
• –40°C to +150°C junction temperature range
• External frequency synchronization
• RESET output with internal filter and 3-ms release
timer
• Automatic light load mode for improved efficiency
• Pin-selectable forced PWM mode
• Built-In compensation, soft start, current limit,
thermal shutdown, and UVLO
• 0.35-V dropout with 3.5-A Load at 25°C (Typical)
• 18-µA IQ_VIN: quiescent current at 3.3 VOUT and no
load (typical)
• Output voltage: 5 V, 3.3 V, and ADJ (1 V to 20 V)
• ±1.5% reference voltage tolerance
Specifications of LMS3655LQRNLRQ1
| Mfr | Texas Instruments |
| Series | Automotive, AEC-Q100 |
| Package | Tape & Reel (TR) |
| Product | LMS3655LQRNLRQ1 |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.9V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Current - Output | 5.5A |
| Frequency - Switching | 250kHz ~ 500kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount, Wettable Flank |
| Package / Case | 22-VFQFN |
| Supplier Device Package | 22-VQFN-HR (5x4) |
| Base Product Number | LMS3655 |
range (−10 ̊
Environmental & Export Classifications
with avck-
| ATTRIBUTE | DESCRIPTION |
|---|---|
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
APPLICATIONS of LMS3655LQRNLRQ1
• Automotive USB charge
• Driver monitoring
• Surround view system ECU
• Mechanically scanning LIDAR
• Vehicle to vehicle
