Specifications | Philips SIC4434, PT44434 manual

7	Specifications

Imager		1/2-inch SMaL CMOS imager with Autobrite*
Imager Resolution		2032 x 1524 active pixels
Dynamic Range		55 dB linear / up to 85 dB with Autobrite*
Exposure Control		Automatic with Autobrite and low-light-level strobe
		activation
Sensitivity		Equivalent to ISO 100
Exposure time		1/15 second to 1/1,000 second
Exposure-to-exposure time		<4 seconds
Lens		Glass, F.L. = 8.2mm, F/3.0 (equivalent to 42 mm lens
		on a 35 mm camera)
Lens focus		Fixed, 1.5 m (4.9 ft) to infinity
Viewfinder		Reverse-Galilean optical viewfinder
Display		1.5” Color TFT
Controls		Power on-off, mode selection, shutter button, LCD on-
		off, menu, select, arrow up, arrow down
Strobe		Xenon flash lamp, guide number = 4.5
Strobe activation		Automatic (low-light detection)
Strobe distance		Approx. 0.8m ~ 2m
Image resolution settings		Large	(1500 x 2000) pixels
		Medium (750 x 1000) pixels
		Small	(375 x 500) pixels
White Balance		Autobrite*
Built-in storage		16MB flash memory holds 21 images (Medium-
		resolution); 32 images (Small-resolution)
Expansion slot		SD card
Computer/host interface		USB 1.1
System requirements		266 MHz Pentium 2 or greater with MS Windows ME,
		2000, or XP
Dimensions		90 mm x 60 mm x 13mm
		(3.46” x 2.20” x .044”)(not including protruding lens)
Weight		Approx. 80 grams
Battery specification		Lithium-polymer battery
		(rechargeable, non-removable)
Operation environment		Temperature: Approx. 0°C ~ 40°C
		(32°F ~ 104°F)
		Humidity: 80% or less (no condensation)

*Autobrite is a registered trademark of SMaL Camera Technologies, Inc. of Cambridge, MA, USA.

PT44434, SIC4434 specifications

The Philips SIC4434 and PT44434 are significant advancements in the field of power management and regulation, designed to cater to modern electronic applications requiring efficient and reliable performance. These devices showcase Philips’ commitment to innovation by integrating cutting-edge technologies that enhance their functionality and efficiency.

The SIC4434 is a highly integrated synchronous buck converter that supports a wide input voltage range of up to 36V, making it suitable for various applications, from battery-operated devices to industrial equipment. Its output current capability of up to 40A allows for versatile usage in powering high-performance components. The SIC4434 also features a high-frequency operation that increases efficiency and reduces the size of passive components in the circuit, enabling compact designs in consumer electronics.

Key features of the SIC4434 include an integrated high-side and low-side MOSFET driver, which minimizes power losses during operation. The device utilizes a current-mode control architecture that ensures stable operation and quick transient response, essential for devices that experience rapid changes in load conditions. Additionally, it incorporates comprehensive protection features such as over-voltage protection, under-voltage lockout, and thermal shutdown, ensuring reliability and longevity in various operating conditions.

On the other hand, the PT44434 is a versatile power supply controller designed for a range of applications. It is particularly optimized for isolated power supplies and features a primary-side regulation architecture, reducing the complexity of feedback components. The PT44434 supports a wide input voltage range and can be configured for various output voltages, making it adaptable to different system requirements.

Among its notable characteristics, the PT44434 includes built-in soft-start features, which help to minimize inrush current during startup, protecting both the device and the load. The device also supports frequency modulation capability for reduced electromagnetic interference (EMI) and higher efficiency. The integration of a high-voltage startup circuit further simplifies the design process, allowing for a more compact solution.

Both the SIC4434 and PT44434 are excellent examples of Philips’ innovation in the power management sector, combining high performance, efficiency, and reliability for applications in consumer electronics, industrial systems, and automotive technology. With their robust feature sets and advanced technologies, these devices provide excellent solutions for power regulation needs in contemporary electronic designs.