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Product Detailed Parameters
- Description：IC REG BOOST ADJ 8WLCSP
- Series：-
- Mfr：ams-OSRAM USA INC.
- Package：Tape & Reel (TR)
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.9V
- Voltage - Input (Max)：5V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：18V
- Current - Output：-
- Frequency - Switching：-
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-UFBGA, WLCSP
- Supplier Device Package：8-WLCSP (1.57x0.9)
- Grade：-
- Qualification：-
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Overview
The AS1345D-BWLT-AD is a high-efficiency DC-DC step-up converter manufactured by ams-OSRAM USA INC. It features an internal N-channel and P-channel output isolation switch, functioning as a boost switching regulator with a positive adjustable output. The device is housed in an 8-UFBGA or WLCSP package, specifically measuring 1.57x0.9 mm. It supports a maximum output voltage of 5V for the specific AD suffix variant and delivers up to 1A output current. The component operates within a temperature range of -40°C to +85°C.
Feature Summary
- Integrates internal N-channel and P-channel output isolation switches for efficient power conversion
- Provides positive adjustable output voltage capability in a compact footprint
- Designed as a high-efficiency DC-DC step-up converter for space-constrained applications
Applications
- Portable electronic devices requiring compact power management
- Battery-powered systems needing voltage boosting
- Embedded systems utilizing small form-factor regulators
Procurement Notes
Verify the exact ordering code against the manufacturer's official documentation to ensure compatibility with the required output voltage and package type. Confirm that the AD suffix corresponds to the intended 5V fixed output specification rather than other adjustable variants within the AS1345 family. Cross-reference the datasheet revision date to ensure access to the most current electrical characteristics and thermal guidelines before finalizing procurement specifications.
Selection Notes
Select this component when a small surface-mount solution is required for boosting input voltages to a stable 5V level. The 8-WLCSP package offers a minimal board area footprint suitable for dense layouts. Ensure the application environment remains within the specified operating temperature range of -40°C to +85°C. Verify that the load current requirements do not exceed the 1A limit defined in the technical specifications.
Part Context
The AS1345 series represents a line of high-efficiency DC-DC step-up converters from ams-OSRAM. These devices are engineered for portable electronics where space and efficiency are critical. The series includes various output voltage options and package configurations, with the AS1345D-BWLT-AD being a specific variant optimized for 5V output applications in ultra-thin designs.
Replacement Considerations
Compatible alternatives include the AS1345A-BWLT-15 and AS1345D-BWLT-17, which share similar packaging and functional architectures but differ in fixed output voltage ratings. Ensure that any substitute part matches the required output voltage and current capabilities while maintaining the same physical dimensions for direct replacement.
