S-8357B33MC-NIS-T2 Seiko Instruments, S-8357B33MC-NIS-T2 Datasheet

S-8357B33MC-NIS-T2

Manufacturer Part Number

S-8357B33MC-NIS-T2

Description

DC/DC Switching Regulators 3.3V Step-Up 2.4%

Manufacturer

Seiko Instruments

Datasheet

1.S-8357B33MC-NIS-T2.pdf (70 pages)

Specifications of S-8357B33MC-NIS-T2

Output Voltage

3.3 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:

Bonase Electronics (HK) Co., Limited

Part Number:

S-8357B33MC-NIS-T2

Manufacturer:

SEK

Quantity:

1 990

Company:

Meier Automation Equipment Co., Limited

Part Number:

S-8357B33MC-NIS-T2

Manufacturer:

SEIKO/精工

Quantity:

20 000

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• SOT-89-3

• SOT-23-3

• SOT-23-5

• 6-Pin SNB(B)

• 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 microprocessors

Rev.4.1

• Low voltage operation: Startup is guaranteed from 0.9 V (I

• Low current consumption: During operation: 25.9 µA (3.3 V, 100 kHz, typ.)

• Duty ratio: Built-in PWM/PFM switching control circuit (S-8356/58)

• External parts: Coil, diode, capacitor, and transistor

• Output voltage: Can be set between 1.5 and 6.5 V (for V

• Oscillation frequency: 100 kHz, 250 kHz, 300 kHz, 600 kHz

• Soft start function: 6 ms (100 kHz, typ.)

• Shutdown function

Features

Packages

Applications

SUPER-SMALL PACKAGE PWM CONTROL,

PWM/PFM SWITCHING CONTROL

STEP-UP SWITCHING REGULATOR

_00

15 to 83% (100 kHz models), 15 to 78% (250 kHz, 300 kHz, and 600 kHz models)

(Package code: UP003-A)

(Package code: MP003-A)

(Package code: MP005-A)

(Package code: BD006-A)

OUT

separate types) in 0.1 V steps. Accuracy of ±2.4%.

During shutdown: 0.5 µA (max.)

The S-8355/56/57/58 Series is a CMOS step-up switching regulator

which mainly consists of a reference voltage source, an oscillation

circuit, an error amplifier, a phase compensation circuit, a PWM

control circuit (S-8355/57) and a PWM/PFM switching control circuit

(S-8356/58). With an external low-on-resistance Nch Power MOS,

this product is ideal for applications requiring high efficiency and a

high output current.

The S-8355/57 Series realizes low ripple, high efficiency, and

excellent transient characteristics due to a PWM control circuit whose

duty ratio can be varied from 0% to 83% (from 0% to 78% for 250 kHz,

300 kHz, and 600 kHz models), an excellently designed error amplifier

and a phase compensation circuit.

S-8356/58 Series operation can be switched under a light load to a

PFM control circuit with a duty ratio of 15% via a PWM/PFM switching

control circuit to prevent a decline in the efficiency due to the IC

operating current.

Seiko Instruments Inc.

OUT

= 1 mA)

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

S-8355/56/57/58 Series

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