S-8353H50MC-IXJ-T2 Seiko Instruments, S-8353H50MC-IXJ-T2 Datasheet

S-8353H50MC-IXJ-T2

Manufacturer Part Number

S-8353H50MC-IXJ-T2

Description

DC/DC Switching Regulators 5.0V Step-Up 2.4%

Manufacturer

Seiko Instruments

Datasheets

1.S-8353H50MC-IXJ-T2.pdf (44 pages)

2.S-8353H50MC-IXJ-T2.pdf (44 pages)

Specifications of S-8353H50MC-IXJ-T2

Output Voltage

5 V

Mounting Style

SMD/SMT

Package / Case

SOT-23-5

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

S-8353H50MC-IXJ-T2G

Manufacturer:

SII/精工

Quantity:

20 000

Current page: 1 of 44
Download datasheet (697Kb)

Rev.1.2

ULTRA-SMALL PACKAGE PWM CONTROL, PWM/PFM

SWITCHING CONTROL STEP-UP SWITCHING REGULATOR

• Low voltage operation:

• Low current consumption:

• Duty ratio:

• External parts:

• Output voltage:

• Oscillation frequency:

• Soft start function:

• Power supplies for portable equipment such as digital cameras, electronic notebooks, and PDAs

• Power supplies for audio equipment such as portable CD/MD players

• Constant voltage power supplies for cameras, video equipment, and communications equipment

• Power supplies for microcomputers

SOT-23-3

SOT-23-5

SOT-89-3

Features

Applications

Packages

Package name

_00

MP003-A

MP005-A

UP003-A

Package

Start-up is guaranteed from 0.9 V (I

During operation: 18.7 µA (3.3 V, 50 kHz, typ.)

During shutdown: 0.5 µA (max.)

Built-in PWM/PFM switching control circuit (S-8354 Series)

15 % to 83 % (30 kHz and 50 kHz models), 15 % to 78 % (250 kHz models)

Coil, capacitor, and diode

Can be set in 0.1 V steps between 1.5 and 6.5 V (for V

types) or 2.0 and 6.5 V (for other than V

of ±2.4%.

30 kHz, 50 kHz, and 250 kHz

6 ms (50 kHz, typ.)

Seiko Instruments Inc.

The S-8353/8354 Series is a CMOS step-up switching

regulator which mainly consists of a reference voltage

source, an oscillation circuit, a power MOS FET, an

error amplifier, a phase compensation circuit, a PWM

controller (S-8353 Series) and a PWM/PFM switching

controller (S-8354 Series).

Simply attaching a coil, capacitor, and diode externally

can configure the step-up switching regulator. In

addition to the above features, the small package and

low power consumption of this series make it ideal for

portable device applications requiring high efficiency.

The S-8353 Series realizes low ripple, high efficiency,

and excellent transient characteristics due to its PWM

controller, which can vary the duty ratio linearly from

0 % to 83 % (from 0 % to 78 % for 250 kHz models),

optimally-designed error amplifier, and phase

compensation circuits.

The S-8354 Series features a PWM/PFM switching

controller that can switch the operation to a PFM

controller with a duty ratio is 15 % under a light load to

prevent a decline in the efficiency due to the IC

operating current.

Drawing code

MP003-A

MP005-A

UP003-A

Tape

OUT

=1 mA)

S-8353/8354 Series

OUT

separate types). Accuracy

MP003-A

MP005-A

UP003-A

OUT

Reel

separate

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