Figure 2. Top View8-Lead VSSOP
Texas InstrumentsUnited States
IC REG BUCK ADJ 350MA 8VSSOP
The LM5008A is a 100V input, 350mA output COT buck switching regulator in a VSSOP-8 package, operating from -40°C to 125°C, featuring intelligent current limiting and thermal shutdown.Checked against the datasheet
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View full reportTechnical parameters
Key specs
Input voltage6 ~ 95 V
Output voltage2.5 V
Output current350 mAMax
Switching frequency50 kHz ~ 1.1 MHz
Datasheet-verified parameters
22 items| Parameter | Value and test conditions | Source |
|---|---|---|
| Operating input voltage range | 6V to 95V | |
| Adjustable output voltage | from 2.5V | |
| Output current | 350 mA | |
| Recommended operating frequency range | 50 kHz to 1.1 MHz | |
| Package | VSSOP-8 | |
| Operating Junction Temperature | -40°C to +125°C |
All parameters (21)
| Power | |
|---|---|
| Current - Output | 350mA |
| Voltage - Input (Max) | 95V |
| Voltage - Input (Min) | 6V |
| Voltage - Output (Max) | 75V |
| Voltage - Output (Min/Fixed) | 2.5V |
| AC and DC characteristics | |
| Frequency - Switching | 50kHz ~ 1.1MHz |
| Environment and package | |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C~125°C(TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT); Digi-Reel® |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-VSSOP |
| Other | |
| Base Product Number | LM5008 |
| Function | Step-Down |
| Mfr | Texas Instruments |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Product Status | Active |
| Series | - |
| Synchronous Rectifier | No |
| Topology | Buck |
Pinout and package
Figure 2. Top View8-Lead VSSOP
| Pin | Name | Function | Source |
|---|---|---|---|
| 1 | SW: Switching Node, connect to output inductor, re-circulating diode, and bootstrap capacitor | ||
| 2 | BST: Boost pin (bootstrap capacitor input), external 0.01 μF ceramic capacitor required to SW pin | ||
| 3 | RCL: Current Limit OFF time set pin, resistor to RTN sets off-time | ||
| 4 | RTN: Ground pin, ground for the entire circuit | ||
| 5 | FB: Feedback input from Regulated Output, connected to inverting input of internal regulation comparator, threshold 2.5V | ||
| 6 | RT/SD: On time set pin, resistor to VIN sets switch on time, can be used for remote shutdown | ||
| 7 | VCC: Output from internal high voltage series pass regulator, provides gate drive power, requires 0.47 μF decoupling capacitor | ||
| 8 | VIN: Input voltage, operating range 6V to 95V |
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