MAS9250C3UA06 datasheet, PDF - EEWORLD Datasheet

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MAS9250C3UA06: DescriptionSwitching Regulator, Current-mode, 2300kHz Switching Freq-Max, PDSO8, PLASTIC, TSSOP-8; CategoryPower/power management The power supply circuit; File Size272KB，17 Pages; ManufacturerKEMET; Websitehttp://www.kemet.com

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MAS9250C3UA06 Overview

Switching Regulator, Current-mode, 2300kHz Switching Freq-Max, PDSO8, PLASTIC, TSSOP-8

MAS9250C3UA06 Parametric

Parameter Name	Attribute value
Maker	KEMET
Objectid	2092146622
Parts packaging code	SOIC
package instruction	TSSOP,
Contacts	8
Reach Compliance Code	unknown
ECCN code	EAR99
compound_id	8962384
Other features	IT CAN ALSO OPERATES AT 2.5V TO 5.3V
Analog Integrated Circuits - Other Types	SWITCHING REGULATOR
control mode	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	5.3 V
Minimum input voltage	2.7 V
Nominal input voltage	3.6 V
JESD-30 code	R-PDSO-G8
length	4.4 mm
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification status	Not Qualified
Maximum seat height	1.1 mm
surface mount	YES
Switch configuration	BUCK
Maximum switching frequency	2300 kHz
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
width	3 mm

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DA9250.002

11 June 2004

MAS9250

High Efficiency Synchronous

Step-Down Switching

Regulator

•

Efficiency up to 93%

•

Switching Frequency

from 400 kHz to 2 MHz

•

No Schottky Diode Required

•

PWM, PFM and PSK Operations

•

Low Dropout Operation:

100% Duty Cycle

DESCRIPTION

MAS9250 is a step-down switching regulator with

an internal main PMOS switch and a synchronous

NMOS switch. No external Schottky diode is

required. MAS9250 uses constant frequency Pulse

Width Modulation (PWM) current mode architecture

to control the output voltage. As a default the

switching frequency is set internally to 550 kHz.

However, it can be adjusted up to 2 MHz by

applying an external resistor between FSR input

and ground or by applying an external frequency

from 400 kHz to 2 MHz to SYNC/M1 input.

Connecting SYNC/M1 to V

enables MAS9250 to

switch automatically to the Pulsed Frequency Mode

(PFM) instead of PWM mode at light loads. When

SYNC/M1 is connected to ground, MAS9250 works

in PWM mode also at light loads thus preventing

low frequency ripple from interfering other circuitry

in the application.

In order to save power the device goes into sleep

mode when the regulator is disabled.

FEATURES

•

Output Accuracy <

±2%

•

Internal Thermal Shutdown

•

TSSOP-8 Package

•

Several Output Voltage Options Available,

see Ordering Information p. 17

APPLICATIONS

•

Cellular Phones

•

Wireless Modems

•

USB Applications

•

PDAs

•

Battery Powered Systems

•

Portable Systems

•

Distributed Power Systems

TYPICAL APPLICATION

MAS9250

µF

SYNC/M

OCS

VFB

GND

µH

Coilcraft

DO3314-103MXB

VIN

CTRL

FSR/M2

OUT

µF

X5R or X7R

ceramic

capacitor

Figure 1.

Buck converter for converting 1-cell Li-Ion battery output to 1.5 V by using MAS9250C5UA.

1 (17)

MAS9250C3UA06 Related Products

	MAS9250C3UA06	MAS9250C4UA06	MAS9250C1UA06	MAS9250C8UA06	MAS9250C6UA06	MAS9250C5UA06	MAS9250C2UA06
Description	Switching Regulator, Current-mode, 2300kHz Switching Freq-Max, PDSO8, PLASTIC, TSSOP-8	Switching Regulator, Current-mode, 2300kHz Switching Freq-Max, PDSO8, PLASTIC, TSSOP-8	Switching Regulator, Current-mode, 2300kHz Switching Freq-Max, PDSO8, PLASTIC, TSSOP-8	Switching Regulator, Current-mode, 2300kHz Switching Freq-Max, PDSO8, PLASTIC, TSSOP-8	Switching Regulator, Current-mode, 2300kHz Switching Freq-Max, PDSO8, PLASTIC, TSSOP-8	Switching Regulator, Current-mode, 2300kHz Switching Freq-Max, PDSO8, PLASTIC, TSSOP-8	Switching Regulator, Current-mode, 2300kHz Switching Freq-Max, PDSO8, PLASTIC, TSSOP-8
Maker	KEMET	KEMET	KEMET	KEMET	KEMET	KEMET	KEMET
Parts packaging code	SOIC	SOIC	SOIC	SOIC	SOIC	SOIC	SOIC
package instruction	TSSOP,	TSSOP,	TSSOP,	TSSOP,	TSSOP,	TSSOP,	TSSOP,
Contacts	8	8	8	8	8	8	8
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Other features	IT CAN ALSO OPERATES AT 2.5V TO 5.3V	IT CAN ALSO OPERATES AT 2.5V TO 5.3V	IT CAN ALSO OPERATES AT 2.5V TO 5.3V	IT CAN ALSO OPERATES AT 2.5V TO 5.3V	IT CAN ALSO OPERATES AT 2.5V TO 5.3V	IT CAN ALSO OPERATES AT 2.5V TO 5.3V	IT CAN ALSO OPERATES AT 2.5V TO 5.3V
Analog Integrated Circuits - Other Types	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR
control mode	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
Maximum input voltage	5.3 V	5.3 V	5.3 V	5.3 V	5.3 V	5.3 V	5.3 V
Minimum input voltage	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Nominal input voltage	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
JESD-30 code	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8
length	4.4 mm	4.4 mm	4.4 mm	4.4 mm	4.4 mm	4.4 mm	4.4 mm
Number of functions	1	1	1	1	1	1	1
Number of terminals	8	8	8	8	8	8	8
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1.1 mm
surface mount	YES	YES	YES	YES	YES	YES	YES
Switch configuration	BUCK	BUCK	BUCK	BUCK	BUCK	BUCK	BUCK
Maximum switching frequency	2300 kHz	2300 kHz	2300 kHz	2300 kHz	2300 kHz	2300 kHz	2300 kHz
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.65 mm	0.65 mm	0.65 mm	0.65 mm	0.65 mm	0.65 mm	0.65 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
width	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm

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