XC9301A373MR Torex Semiconductor, XC9301A373MR Datasheet

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XC9301A373MR

Manufacturer Part Number
XC9301A373MR
Description
PWM, PWM/PFM Switching Step-Up & Down DC/DC Controller
Manufacturer
Torex Semiconductor
Datasheet
1.XC9301A373MR.pdf (12 pages)

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
XC9301A373MR
Manufacturer:
TOREX
Quantity:
20 000
PWM, PWM/PFM Switching Step-Up & Down DC/DC Converter Controller ICs
■General Description
■Typical Application Circuit
NInput Voltage Range : 2.0V ~10.0V
NOutput Voltage Range : 2.4V ~ 6.0V (±2.5% accuracy)
NOscillation Frequency Range
NMaximum Duty Ratio : 85% (typ)
NPWM/PFM Switching Step-Up & Down Control (XC9302)
NEfficiency
NSOT-25 Package
The XC9301/02 series are step-up/down DC/DC converter controller ICs
with fast, low ON resistance drivers built-in. A versatile, large output
current, step-up/down DC/DC converter can be realised using only 4
basic external components - transistors, coils, diodes and capacitors.
Output voltage is selectable in 0.1V steps within a 2.4V ~ 6.0V ( ± 2.5%
accuracy) range and switching frequency is set at 180kHz or 300KHz.
The XC9302 series switches from PWM to PFM control during light loads
and the series offers high efficiencies from light loads through to large
output currents.
Soft-start time is internally set to 10 msec which offers protection against
rush currents when the power is switched on and also against voltage
overshoot.
During shutdown (CE pin = L), consumption current can be reduced to
as little as 0.5µA or less.
V
OUT
C
SD2
L
NSW
CE
: 180kHz, 300kHz (±15% accuracy)
: 81% (typ) 5.0V , 78% (typ) 3.3V
L
SD1
PSW
Series
C
IN
V
IN
■Applications
■Features
■Typical Performance Characteristic
GMobile phones
GPDAs
GPalmtop computers
GPortable audio equipment
GVarious power supplies
Input Voltage Range
Output Voltage Range : 2.4V ~ 6.0V ( ± 2.5% accuracy)
Oscillation Frequency : 180KHz, 300KHz ( ± 15% accuracy)
Output Current
Efficiency
Stand-By
Output Voltage Internal Set-Up
SOT-25 Package
100
80
60
40
20
0
0. 1
1
Output Current:I
: 2.0V ~ 10V
: more than 250mA (V
: 81% (typ) at 5.0V, 78% (typ) at 3.3V
: ISTB = 0.5µA (max)
(selectable in 0.1V steps)
V
OUT
=3.3V)
10
OUT
V
IN
（mA）
=2V
IN
=2.4V,
100
4V
6V
1000
597
6

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XC9301A373MR Summary of contents

Page 1

PWM, PWM/PFM Switching Step-Up & Down DC/DC Converter Controller ICs NInput Voltage Range : 2.0V ~10.0V NOutput Voltage Range : 2.4V ~ 6.0V (±2.5% accuracy) NOscillation Frequency Range : 180kHz, 300kHz (±15% accuracy) NMaximum Duty Ratio : 85% (typ) NPWM/PFM ...

Page 2

XC9301/9302 Series ■Pin Configuration SOT-25 ■Product Classification GOrdering Information ＸＣ９３０１ XC9301 Series PWM control DESIGNATOR SYMBOL A Standard (5-pin) Output Voltage =3.0V→w=3, e=0, V e.g. V OUT Oscillation Frequency Package Embossed ...

Page 3

Represents the Product Classification DESIGNATOR SOT-25 w Represents the integer of the Output Voltage and Oscillation Frequency (TOP VIEW) OUTPUT VOLTAGE（V） （XC9301/XC9302A＊＊2M＊） 2.X 3.X 4.X 5.X 6.X e Represents the decimal number ...

Page 4

XC9301/9302 Series ■Block Diagram V OUT Error Amp Vref with Soft Start ■Absolute Maximum Ratings PARAMETER SYMBOL V V Pin Voltage OUT V Pin Voltage OUT Pin Voltage EXT / ...

Page 5

Characteristics XC9301x332MR,XC9302x332MR PARAMETER SYMBOL Output Voltage V OUT Supply Voltage V DD Supply Current =CE: Set Output Voltage × 0.95 applied DD OUT Supply Current =CE: Set Output Voltage + 0.5 ...

Page 6

XC9301/9302 Series ■Operational Explanation ＜Circuit Connection Example＞ L SD2 V OUT SD1 NSW The XC9301/9302 series are PWM (PWM/PFM switching) step-up/down DC/DC converter controller ICs. The XC9302 series switches to PFM operations during light loads ...

Page 7

GProduct Selection (Notes) XC9301/02 series is a group of PFM controlled (XC9302 series switches from PWM to PFM control during light loads) step-up and down DC/DC converters. The series is highly efficient with a wide range of input voltage since ...

Page 8

XC9301/9302 Series GDemo Board ver. 1.1 External Components 6 PSW ： XP162A12(SOT-89) NSW ： XP161A12(SOT-89) L ： 22μH (SUMIDA CR54) SD ： U2FWJ44N (Schottky, Toshiba) C ： 16V 47μF×2 (Tantalum, Nichicon MCE ： 16V 22μF (Tantalum, Nichicon MCE) ...

Page 9

Performance Characteristics XC9302A332 (PWM/PFM switching control, 180kHz, V (1) OUTPUT VOLTAGE vs. OUTPUT CURRENT (Topr=25°C) 3.40 3.35 3.30 3.25 3.20 0.1 1 Output Current:I (2) EFFICIENCY vs. OUTPUT CURRENT (Topr=25°C) 100 0.1 1 Output ...

Page 10

XC9301/9302 Series (4) LOAD TRANSIENT RESPONSE (Topr=25°C) 100mA 0.1mA 6 100mA 0.1mA External Components PSW : XP162A12A6PR NSW : XP161A1265PR : U2FWJ44N × 22µH (CR54) 606 V OUT I OUT V OUT I OUT : 47µF (Tantalum ...

Page 11

XC9302A502 (PWM/PFM switching control, 180kHz, V (1) OUTPUT VOLTAGE vs. OUTPUT CURRENT (Topr=25°C) 5.10 5.05 5.00 4.95 4.90 0.1 1 Output Current:I (2) EFFICIENCY vs. OUTPUT CURRENT (Topr=25°C) 100 Output Current:I (3) ...

Page 12

XC9301/9302 Series (4) LOAD TRANSIENT RESPONSE (Topr=25°C) 100mA 0.1mA 6 100mA 0.1mA External Components PSW : XP162A12A6PR NSW : XP161A1265PR SD : U2FWJ44N L : 22µH (CR54) 608 V OUT I OUT V OUT I OUT C : 47µF (Tantalum ...

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