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LTC1148LCS-3.3
+物料清單IC REG CTRLR BUCK 14SOIC
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製造商部分 #LTC1148LCS-3.3
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規格
| 屬性 | 價值 |
| Part Status | Obsolete |
| Base Product Number | LTC1148 |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 3.5V ~ 20V |
| Frequency - Switching | Up to 250kHz |
| Duty Cycle (Max) | 100% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SO |
| Packaging | Tube |
概述
Description
Intro (concise):
- What it is: The LTC1148LCS-3.3 is a Linear Technology (now Analog Devices) power-management IC in a Leadless Chip Scale (LCS) package, designed for operation from a 3.3 V rail.
- What the “3.3” means: It is the 3.3 V variant of the LTC1148 family; packaging is LCS (tiny, no-lead package).
- Typical role: Used on compact boards for power-management tasks such as sequencing, protection, or regulation in battery-powered or space-constrained systems (exact function depends on the LTC1148 family variant).
- Key characteristics (what to look for in the datasheet): supply range, logic compatibility, enable/disable, protection features (UVLO/overcurrent/thermal), quiescent current, voltage/current limits, and the exact pinout/power-supply topology.
- Why it matters: Small footprint combined with integrated PM features can reduce part count and board area.
For precise specs, pinout, and application examples, refer to the official LTC1148LCS-3.3 datasheet on Analog Devices’ website. If you share the exact application, I can outline a quick usage overview.
- What it is: The LTC1148LCS-3.3 is a Linear Technology (now Analog Devices) power-management IC in a Leadless Chip Scale (LCS) package, designed for operation from a 3.3 V rail.
- What the “3.3” means: It is the 3.3 V variant of the LTC1148 family; packaging is LCS (tiny, no-lead package).
- Typical role: Used on compact boards for power-management tasks such as sequencing, protection, or regulation in battery-powered or space-constrained systems (exact function depends on the LTC1148 family variant).
- Key characteristics (what to look for in the datasheet): supply range, logic compatibility, enable/disable, protection features (UVLO/overcurrent/thermal), quiescent current, voltage/current limits, and the exact pinout/power-supply topology.
- Why it matters: Small footprint combined with integrated PM features can reduce part count and board area.
For precise specs, pinout, and application examples, refer to the official LTC1148LCS-3.3 datasheet on Analog Devices’ website. If you share the exact application, I can outline a quick usage overview.
Equivalent
To give exact equivalents I need the part’s function. If LTC1148LCS-3.3 is a 3.3 V LDO regulator, typical cross-references are LM1117-3.3 (TI), AMS1117-3.3, LD1117V33 (ST), LP2985-3.3 (TI/Microchip), MIC5319-3.3, and TPS7A33 (TI). For precise cross-reference, please share the datasheet or confirm package/current specs.
Pinout
- Pin count: 8 pins (LCS package).
- Function: Fixed-output 3.3V low-dropout regulator (LDO).
- Function: Fixed-output 3.3V low-dropout regulator (LDO).
Manufacturer
- Manufacturer: Analog Devices, Inc. (the LTC prefix comes from Linear Technology; Analog Devices acquired Linear Technology in 2017).
- Company type: A multinational American semiconductor company that designs and manufactures analog, mixed-signal, and DSP/IC products (with strengths in power management, data conversion, and precision analog).
- Company type: A multinational American semiconductor company that designs and manufactures analog, mixed-signal, and DSP/IC products (with strengths in power management, data conversion, and precision analog).
Application
Typical applications for the LTC1148LCS-3.3 include:
- 3.3V power-management rails in portable/embedded systems
- Hot-swap and load-switch protection for CPUs, FPGAs/ASICs, and memory supplies
- Current limit and fault protection on power rails
- Supply sequencing and enable control for downstream devices
- Battery-powered devices and automotive/industrial electronics requiring rugged 3.3V rails
- 3.3V power-management rails in portable/embedded systems
- Hot-swap and load-switch protection for CPUs, FPGAs/ASICs, and memory supplies
- Current limit and fault protection on power rails
- Supply sequencing and enable control for downstream devices
- Battery-powered devices and automotive/industrial electronics requiring rugged 3.3V rails
Package
The LTC1148LCS-3.3 uses an LCS package, i.e., Leadless Chip Carrier (surface-mount).
