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SC604Z, SC605, SC-605

Table of contents:
Info of SC604Z
Info of SC605
Info of SC-605

SC604Z, SC605, SC-605 Selling Leads, Datasheet

MFG:SEMTECH Package Cooled:QFN-16 D/C:07+

SC604Z, SC605, SC-605 Datasheet download

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Part Number: SC604Z

MFG: SEMTECH

Package Cooled: QFN-16

D/C: 07+

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SC605 General Description

The SC605 is a high-current charge pump designed specifically for use with white LEDs used in camera flash applications. Only two small bucket capacitors are required to develop the output drive, providing a low EMI solution compared to inductive boost regulators.

The SC605 has two modes of operation: Flash mode and Spotlight mode. In Flash mode, the SC605 is capable of delivering 500mA of regulated current for a duration of 500ms or up to 700mA for a reduced duration. In Spotlight mode the SC605 can output 20%, 30%, or 40% of the Flash mode current and remain enabled continuously.

An external resistor is connected in series with the LED to set the current. In Flash mode, this resistor can dissipate up to 0.175mW, reducing the power dissipation requirement of the SC605. The Flash input (FLASH) overrides the control inputs (CTRL0 and CTRL1) to ensure the Flash function has the highest priority.

The thermally efficient MLPD-12 package and ceramic bypass and bucket capacitors help make the SC605 a high output current driver that requires a minimal amount

SC605 Maximum Ratings

Parameter	Symbol	Maximum	Units
Supply Voltage	V_IN	-0.3 to 6.5	V
Output Voltage	V_OUT	-0.3 to 6.5	V
Pin Voltage - FLASH, CTRL0, CTRL1, ISET, C1-, C2-		-0.3 to V_IN + 0.3	V
Pin Voltage - C1+, C2+		-0.3 to V_OUT + 0.3	V
V_OUT Short Circuit Duration	S_C	Indefinite
Thermal Resistance, Junction to Ambient (JESD51 Standard Method)(1)	θ_JA	40	°C/W
Operating Ambient Temperature Range	T_A	-40 to +85	°C
Junction Temperature Range	T_JC	-40 to +150	°C
Storage Temperature Range	T_STG	-65 to +150	°C
IR Reflow Temperature	T_LEAD	260	°C
ESD Protection Level(2)	V_ESD	2	°C

SC605 Features

◆Two selectable modes - Flash and Spotlight
◆Up to 700mA output - Flash mode
◆Up to 280mA output - Spotlight mode
◆500mA output over specified temperature and voltage ranges - Flash mode
◆Spotlight mode selectable to 20%, 30% and 40% of Flash current
◆3.0V to 5.25V input range
◆Flash control pin for synchronization to a camera module or graphics controller
◆Short circuit, over-voltage and over-temperature protection
◆ Soft-start functionality
◆Three control inputs for maximum versatility
◆Shutdown current < 2μA
◆Micro-lead package MLPD-12, 3mm x 3mm

SC605 Typical Application

◆ Mobile Camera Phones
◆Digital Cameras
◆ PDAs with Built-in Cameras

SC-605 General Description

The SC-605 is a low-cost, mixed-signal processor that combines a speech synthesizer, general-purpose I/O, onboard ROM, and direct speaker drive in a single package. The computational unit utilizes a powerful new DSP which gives the SC-605 unprecedented speed and computational flexibility compared with previous devices of its type. The SC-605 supports a variety of speech and audio coding algorithms, providing a range of options with respect to speech duration and sound quality.

The device consists of a micro-DSP core, embedded program, and data memory, and a self-contained clock generation system. General-purpose periphery is comprised of 32 bits of partially configurable I/O. The core processor is a general-purpose 16-bit microcontroller with DSP capability. The basic core block includes computational unit (CU), data address unit, program address unit, two timers, eight level interrupt processor, and several system and control registers. The core processor gives the SC-605 break-point capability in emulation.

The processor is Harvard type for efficient DSP algorithm execution. It requires separate program and data memory blocks to permit simultaneous access. The ROM has a protection scheme to prevent third-party pirating. It is configured in 32K 17-bit words.

The total ROM space is divided into three areas:
1) The lower 2K words are reserved by Sensory, Inc. for the purposes of a built-in self-test
2) The upper 30K words are for user program/data
3) Additional 1.83 Mb data ROM provides data for up to 37 minutes of speech.

SC-605 Maximum Ratings

Supply voltage, V_DD (see Note 1)             –0.3 to 7 V
Supply current, I_DD (see Note 2)              35 mA
Input voltage range, V_I (see Note 1)       –0.3 to V_DD + 0.3 V
Output voltage range, V_O (see Note 1) –0.3 to V_DD + 0.3 V
Storage temperature range, T_A               –30°C to 125°C

SC-605 Features

◆Advanced, integrated speech synthesizer for high-quality sound.
◆Operates up to 12.32 MHz (performs up to 12 MIPS).
◆Single chip solution for up to 37 minutes of speech (using 2.36 Mb of onboard program plus data ROM).
◆Supports high-quality synthesis algorithms Such as: MX, CX, Simple CX, LX, ADPCM, and Polyphonic Music.
◆Simultaneous speech plus music capabilities.
◆Very low-power operation, ideal for hand-held devices.
◆Low-voltage operation, sustainable by three batteries.
◆Reduced power stand-by modes, less than 10 μA in Deep-Sleep mode.
◆640-word RAM.
◆32 I/O pins consisting of: 24 general-purpose bit configurable I/O, 8 inputs with programmable pullup resistors and a dedicated interrupt (keyscan).
◆Direct speaker driver, 32 Ω (PDM).
◆One-bit comparator with edge-detection interrupt service.
◆Resistor-trimmed oscillator or 32.768 kHz crystal reference oscillator.
◆Serial scan port for in-circuit emulation and diagnostics.
◆The SC-605 is sold in die form or 100-pin LQFP package.
◆An emulator device is available in a ceramic package for development (SC-614-P).

SC-605 Connection Diagram

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