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S-8358B35MC-NQUT2U

Description
Switching Controllers Step-Up SWR PWM/PFM 25.9uA Iq
CategoryPower/power management    The power supply circuit   
File Size872KB,73 Pages
ManufacturerABLIC
Environmental Compliance
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S-8358B35MC-NQUT2U Overview

Switching Controllers Step-Up SWR PWM/PFM 25.9uA Iq

S-8358B35MC-NQUT2U Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Parts packaging codeSOT-23
package instructionLSSOP,
Contacts5
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresALSO HAS CONTROL TECHNIQUE OF PFM
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage10 V
Minimum input voltage0.9 V
JESD-30 codeR-PDSO-G5
JESD-609 codee3
length2.9 mm
Number of functions1
Number of terminals5
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Nominal output voltage3.5 V
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.3 mm
surface mountYES
Switch configurationSINGLE
Maximum switching frequency115 kHz
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTIN
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature10
width1.6 mm
Base Number Matches1
S-8355/56/57/58 Series
www.ablicinc.com
© ABLIC Inc., 2002-2015
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or
PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.8.1
_02
The S-8355/56/57/58 Series is a CMOS step-up switching regulator controller 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 Series) and
a PWM/PFM switching control circuit (S-8356/58 Series).
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 its PWM control
circuit whose duty ratio can be varied linearly 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 circuits.
S-8356/58 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.
Features
• Low voltage operation : Startup at 0.9 V min. (I
OUT
= 1 mA) guaranteed
• Low current consumption : During operation 25.9
A
(3.3 V, 100 kHz, typ.)
During shutdown 0.5
A
(max.)
• Duty ratio : Built-in PWM/PFM switching control circuit (S-8356/58 Series)
15 to 83% (100 kHz models)
15 to 78% (250 kHz, 300 kHz, and 600 kHz models)
• External parts : Coil, diode, capacitor, and transistor
• Output voltage : Selectable in 0.1 V steps between 1.5 and 6.5 V (for V
DD
/ V
OUT
separate types)
Selectable in 0.1 V steps between 2.0 and 6.5 V (for other than V
DD
/ V
OUT
separate types)
• Output voltage accuracy :
2.4%
• Oscillation frequency : 100 kHz, 250 kHz, 300 kHz, 600 kHz selectable
• Soft start function : 6 ms (100 kHz, typ.)
• Shutdown function
• Lead-free, Sn 100%, halogen-free
*1
*1.
Refer to “
Product Name Structure”
for details.
Applications
• 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, VCRs, and communications devices
• Power supplies for microcomputers
Packages
• SOT-23-3
• SOT-23-5
• SOT-89-3
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