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Part Name(s) : PQ1CZ1 PQ1CZ1T Sharp
Sharp Electronics
Description : SURFACE MOUNT TYPE CHOPPER REGULATOR

SURFACE MOUNT TYPE CHOPPER REGULATOR

■  Features
SURFACE MOUNT TYPE package (equivalent to SC-63, 5-terminal TYPE)
● Variable output voltage (Vrefto 35V/–Vrefto –30V)
● Built-in ON/OFF control function
● Built-in overheat protection function and overcurrent protection function
● Built-in soft start function

■  Applications
● Personal computers
● Word processors
● Printers
● Car audio equipment

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Part Name(s) : STK7210 STK7216 STK7216S STK7217 STK7221 STK7230 STK7231 STK7240 STK7241 ETC
Unspecified
Description : SECONDARY CHOPPER REGULATOR FOR VTR

SECONDARY CHOPPER REGULATOR FOR VTR

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Part Name(s) : SKTD SKTDLDE010 ALPS
ALPS ELECTRIC CO.,LTD.
Description : Side Push TYPE with 1.55mm Height (SURFACE MOUNT TYPE)

Side Push TYPE with 1.55mm Height (SURFACE MOUNT TYPE)

Soldering of the frame realizes higher solder strength

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Part Name(s) : 2SK2842 K2842 Toshiba
Toshiba
Description : N CHANNEL MOS TYPE (HIGH SPEED/ HIGH CURRENT SWITCHING/ CHOPPER REGULATOR/ DC-DC CONVERTERAND MOTOR DRIVE APPLICATIONS)

K2842, 2SK2842 Datasheet

High Speed, High Current Switching Applications

CHOPPER REGULATOR, DC-DC Converter and Motor Drive Applications.

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Part Name(s) : PQ05DZ1U PQ05DZ5U PQ09DZ1U PQ09DZ5U PQ12DZ1U PQ12DZ5U PQ3DZ13U PQ3DZ53U PQ3DZ53 PQ3DZ13 PQ05DZ11 PQ09DZ11 PQ12DZ11 PQ05DZ51 PQ09DZ51 PQ12DZ51 Sharp
Sharp Electronics
Description : 0.5A/1.0A Output, General Purpose, SURFACE MOUNT TYPE Low Power-Loss Voltage REGULATOR

0.5A/1.0A Output, General Purpose, SURFACE MOUNT TYPE Low Power-Loss Voltage REGULATOR

■  Features
● Low power-loss (Dropout voltage : MAX. 0.5V)
SURFACE MOUNT package (equivalent to SC-63)
● Available 3.3V, 5V, 9V, 12V output TYPE
● Output current (0.5A : PQ05DZ51 series/PQ3DZ53) (1.0A : PQ05DZ11 series/PQ3DZ13)
● Output voltage precision : ±3.0%
● Built-in ON/OFF control function
● Low dissipation current at OFF-state (Iqs : MAX. 5µA)
● Built-in overcurrent protection, overheat protection function, ASO protection function
● Available tape-packaged products
   (ø330mm reel : 3 000 pcs., PQ05DZ5U/1Useries, PQ3DZ53U/13U)

■  Applications
● Personal computers
● CD-ROM drives
● Power supplies for various OA equipment

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Part Name(s) : OM7620SM Omnirel
Omnirel Corp => IRF
Description : SURFACE MOUNT POSITIVE ADJUSTABLE VOLTAGE REGULATOR

DESCRIPTION
This three terminal positive REGULATOR is supplied in a hermetically sealed SURFACE MOUNT package. All protective features are designed into the circuit, including thermal shutdown, current limiting and safe-area control. With heat sinking, they can deliver 1.0 amp of output current. This unit features output voltages that can be trimmed using external resistors, from 1.2 volts to 57 volts.

FEATURES
• Hermetic SURFACE MOUNT Package
• Adjustable Output Voltage
• Built-In Thermal Overload Protection
• Short Circuit Current Limiting
• Product Is Available Hi-Rel Screened
• Electrically Similar To Industry Standard TYPE LM117HV

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Part Name(s) : OM7620NM Omnirel
Omnirel Corp => IRF
Description : SURFACE MOUNT 1.5 AMP HIGH VOLTAGE POSITIVE ADJUSTABLE REGULATOR

DESCRIPTION
This three terminal positive REGULATOR is supplied in a hermetically sealed SURFACE MOUNT package. All protective features are designed into the circuit, including thermal shutdown, current limiting and safe-area control. With heat sinking, they can deliver over 1.0 amp of output current. This unit features output voltages that can be trimmed using external resistors, from 1.2 volts to 57 volts.

FEATURES
• Hermetic SURFACE MOUNT Package
• Adjustable Output Voltage
• Built-In Thermal Overload Protection
• Short Circuit Current Limiting
• Product Is Available Hi-Rel Screened
• Electrically Similar To Industry Standard TYPE LM117HV

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Part Name(s) : K2232 Toshiba
Toshiba
Description : N CHANNEL MOS TYPE (HIGH SPEED/ HIGH VOLTAGE SWITCHING/ CHOPPER REGULATOR/ DC-DC CONVERTER AND MOTOR DRIVE APPLICATIONS)

CHOPPER REGULATOR, DC−DC Converter and Motor Drive Applications

4V gate drive
Low drain−source ON resistance  : RDS (ON)= 36 mΩ(typ.)
High forward transfer admittance  : |Yfs| = 16 S (typ.)
Low leakage current  : IDSS= 100 µA (max) (VDS= 60 V)
Enhancement−mode : Vth= 0.8~2.0 V (VDS= 10 V, ID= 1mA)

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Part Name(s) : STK732 STK732C SANYO
SANYO -> Panasonic
Description : 15 V Single Output MOS CHOPPER REGULATOR

Overview
The STK732C is a CHOPPER TYPE step-down dedicated 15 V single output REGULATOR that uses a power MOSFET as its switching element. The STK732C covers the 2 A and higher current regions, regions that are difficult to handle with three terminal step-down REGULATORs. As compared with earlier CHOPPER REGULATOR products that used bipolar transistors, the efficiency of the STK732C
has been further improved by the adoption of MOSFET technology, and use of the STK732C enables further miniaturization and increased performance in the end product since it corresponds to the adoption of a dedicated switching controller IC.

Features
• IMST substrate (insulated metal substrate technology)
• High efficiency realized by the adoption of MOSFET technology.
• An auxiliary drive power supply is no longer required due to the development of a unique NMOS FET drive circuit. This means that the STK732C can be used with a single power supply, thus allowing simplification of the input system.
• Built-in reverse going linear overload characteristic curve overcurrent protection circuit
• Ground line handling is eased even in multi-output power supply structures due to placement of the overcurrent detection resistor on the plus line.
• The STK732C’s separate excitation oscillator structure provides high stability in the switching
frequency.
• A built-in cutoff function allows an external signal to switch the output on and off.
• The STK732C’s switching operating frequency is set at 85 kHz, which minimizes beating when used in a multiple output structure with STK730 TYPE (5 V output, 125 kHz) products.

Applications
• Power supplies in printers and other office equipment
• Power supplies in robots and other factory automation related equipment
• Power supplies in VCRs and other consumer products
• Secondary side REGULATORs in switching power supplies

 

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Part Name(s) : HA16114 HA16116 HA16116FP HA16116FPJ HA16120 HA16121 HA16121FP HA16121FPJ HA17451 Renesas
Renesas Electronics
Description : Switching REGULATOR for CHOPPER TYPE DC/DC Converter

Description
HA16116FP/FPJ and HA16121FP/FPJ are dual-channel PWM switching REGULATOR controller ICs for use in
CHOPPER-TYPE DC/DC converters.
This IC series incorporates totem pole gate drive circuits to allow direct driving of a power MOS FET. The output logic is preset for booster, step-down, or inverting control in a DC/DC converter. This logic assumes use of an N-channel power MOS FET for booster control, and a P-channel power MOS FET for step-down or inverting control.

Features
•  Wide operating supply voltage range* (3.9 V to 40.0 V)
•  Wide operating frequency range (600 kHz maximum operation)
•  Direct power MOS FET driving (output current ±1 A peak in maximum rating)
•  Pulse-by-pulse overcurrent protection circuit with intermittent operation function (When overcurrent state continues beyond time set in timer, the IC operates intermittently to prevent excessive output current.)
•  Grounding the ON/OFFpin turns the IC off, saving power dissipation. (HA16116: IOFF = 10 µA max.; HA16121: IOFF = 150 µA max.)
•  Built-in UVL circuit (UVL voltage can be varied with external resistance.)
•  Built-in soft start and quick shutoff functions
Note: The reference voltage 2.5 V is under the condition of VIN ≥4.5 V.

Functions
•  2.5 V reference voltage (Vref) REGULATOR
•  Triangle wave form oscillator
•  Dual overcurrent detector
•  Dual totem pole output driver
•  UVL (under voltage lock out) system
•  Dual error amplifier
•  Vref overvoltage detector
•  Dual PWM comparator

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