XC9503B093AR Torex Semiconductor Ltd, XC9503B093AR Datasheet

no-image

XC9503B093AR

Manufacturer Part Number
XC9503B093AR
Description
DUAL DC/DC CONVERT CONTROL 10PIN
Manufacturer
Torex Semiconductor Ltd
Type
Step-Down (Buck)r
Datasheet

Specifications of XC9503B093AR

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
2
Voltage - Output
0.9 ~ 10 V
Current - Output
1A
Frequency - Switching
300kHz
Voltage - Input
2 ~ 10 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Power - Output
150mW
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q5461699A

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
XC9503B093AR
Manufacturer:
TOREX
Quantity:
953
Part Number:
XC9503B093AR
Manufacturer:
TOREX
Quantity:
20 000
XC9503
2ch.Step-Down DC/DC Controller ICs
■TYPICAL APPLICATION CIRCUIT
■ GENERAL DESCRIPTION
XC9503 series are PWM controlled, PWM/PFM automatic switching controlled, multi-functional, 2 channel step-down DC/DC
controller ICs. Since the series has a built-in 0.9V reference voltage (accuracy ±2%), 0.9V to 6.0V can be set using external
components.
With a 300kHz frequency, the size of the external components can be reduced. Switching frequencies of 180kHz & 500kHz
are also available as custom-designed products.
The control of the XC9503 series can be switched between PWM control and PWM/PFM automatic switching control using
external signals. Control switches from PWM to PFM during light loads when automatic switching is selected and the series is
highly efficient from light loads through to large output currents. Noise is easily reduced with PWM control since the frequency
is fixed. The series gives freedom to select control suited to the application.
Soft-start time is internally set to 10msec and offers protection against in-rush currents when the power is switched on and
also protects against voltage overshoot.
■APPLICATIONS
●PDAs
●Palmtop computers
●Digital cameras
●Various multi function power supplies
<XC9503B093A V
OUT
①: 3.3V, V
Series
OUT
②: 1.8V >
■FEATURES
2 ch DC/DC Controller (Step-Down & Down)
Input Voltage Range
Power Supply Voltage Range : 2.0V ~ 10V
Output Voltage Range
Oscillation Frequency
Maximum Duty Cycle
Control Method
Output Current
High Efficiency
Stand-By Function
Soft-Start Time
Packages
Environmentally Friendly
■TYPICAL PERFORMANCE
CHARACTERISTICS
●Efficiency vs. Output Current
☆GreenOperation Compatible
: 2.0V ~ 10V
: 0.9V ~ 6.0V (set by FB pins)
: 300kHz (±15%)
: 100%
: PWM or PWM/PFM Selectable
: More than 1000mA
: 92% (TPY.)
: 3.0μA (MAX.)
: 10 ms (internally set)
: MSOP-10, USP-10
: EU RoHS Compliant, Pb Free
(180kHz, 500kHz custom)
(V
IN
=5.0V, V
ETR0703_003
OUT
=3.3V)
1/32

Related parts for XC9503B093AR

XC9503B093AR Summary of contents

Page 1

XC9503 Series 2ch.Step-Down DC/DC Controller ICs ■ GENERAL DESCRIPTION XC9503 series are PWM controlled, PWM/PFM automatic switching controlled, multi-functional, 2 channel step-down DC/DC controller ICs. Since the series has a built-in 0.9V reference voltage (accuracy ±2%), 0.9V to 6.0V can ...

Page 2

XC9503 Series ■PIN CONFIGURATION MSOP-10 (TOP VIEW) ■PIN ASSIGNMENT PIN NUMBER PIN NAME 1 EXT 1 Channel 1: External Transistor Drive Pin <Connected to P-ch Power MOSFET Gate> Supply Voltage DD Channel 1: Output Voltage Monitor Feedback Pin ...

Page 3

DIAGRAM ■ABSOLUTE MAXIMUM RATINGS PARAMETER V Pin Voltage DD FB1, 2 Pin Voltage EN1, 2 Pin Voltage PWM1, 2 Pin Voltage EXT1, 2 Pin Voltage EXT1, 2 Pin Current MSOP-10 Power Dissipation USP-10 Operating Temperature Range Storage Temperature Range ...

Page 4

XC9503 Series ■ELECTRICAL CHARACTERISTICS XC9503B092A Common Characteristics PARAMETER SYMBOL Supply Voltage V DD Maximum Input Voltage V IN Output Voltage Range (* 1) V OUTSET Supply Current 1 I DD1 Supply Current 1-1 I DD1-1 Supply Current 1-2 I DD1-2 ...

Page 5

CHARACTERISTICS (Continued) XC9503B093A Common Characteristics PARAMETER SYMBOL Supply Voltage V DD Maximum Input Voltage V IN Output Voltage Range (* 1) V OUTSET Supply Current 1 I DD1 Supply Current 1-1 I DD1-1 Supply Current 1-2 I DD1-2 Supply ...

Page 6

XC9503 Series ■ELECTRICAL CHARACTERISTICS (Continued) Common Characteristics XC9503B095A PARAMETER SYMBOL Supply Voltage V DD Maximum Input Voltage V IN Output Voltage Range (* 1) V OUTSET Supply Current 1 I DD1 Supply Current 1-1 I DD1-1 Supply Current 1-2 I ...

Page 7

EXPLANATION The XC9503 series are multi-functional, 2 channel step-down DC/DC converter controller ICs with built-in high speed, low ON resistance drivers. <Error Amp. 1, 2> The Error Amplifier is designed to monitor the output voltage and it compares the ...

Page 8

XC9503 Series ■OPERATIONAL EXPLANATION (Continued) <Setting of Output Voltage> Output voltage can be set by adding external split resistors. Output voltage is determined by the following equation, based on the values and R FB11 FB21 less. ...

Page 9

CIRCUITS Cir Circuit ① OUT μF C ...

Page 10

XC9503 Series ■EXTERNAL COMPONENTS USED FOR TEST CIRCUITS Circuit ① L1, L2: SD1, SD2 PNP Tr1 Circuit ③ L1: SD1 ...

Page 11

ON USE 1. Checking for Intermittent Oscillation The XC9503 series is subject to intermittent oscillation in the proximity of the maximum duty if the step-down ratio is low (e.g., from 4 3 heavy load ...

Page 12

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (1) Output Voltage vs. Output Current FOSC=300kHz, V OUT1, 2 L=22 μ H(CDRH5D28), CL=94 μ F(Tantalum) SD:CMS02, Tr:XP162A12A6P 1.2 PWM Control 1.1 1.0 0.9 VIN=2.7V 3.3V 4.2V 5.0V 6.0V 8.0V 10V 0.8 0.7 0.1 1 ...

Page 13

PERFORMANCE CHARACTERISTICS (Continued) (1) Output Voltage vs. Output Current (Continued) FOSC=300kHz, V OUT1, 2 L=22 μ H(CDRH5D28), CL=94 μ F(Tantalum) SD:CMS02, Tr:XP162A12A6P 3.5 PWM Control VIN=4.2V 5.0V 6.0V 8.0V 3.4 3.3 3.2 3.1 3.0 0 Output Current1, ...

Page 14

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (1) Output Voltage vs. Output Current (Continued) FOSC=180kHz, V OUT1, 2 L=47 μ H(CDRH6D38), CL=94 μ F(Tantalum) SD:CMS02, Tr:XP162A12A6P 3.5 PWM/PFM Switching Control PWM Control 3.4 3.3 3.2 VIN=4.2V 5.0V 6.0V 8.0V 10V 3.1 ...

Page 15

PERFORMANCE CHARACTERISTICS (Continued) (1) Output Voltage vs. Output Current (Continued) FOSC=500kHz, V =5.0V OUT1, 2 L=10 μ H(CDRH5D28), CL=94 μ F(Tantalum) SD:CMS02, Tr:XP162A12A6P 5.2 PWM/PFM Switching Control PWM Control 5.1 5.0 VIN= 6.0V 8.0V 10V 4.9 4.8 4.7 0.1 ...

Page 16

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (2) Efficiency vs. Output Current FOSC=300kHz, V OUT1, 2 L=22 μ H(CDRH5D28), CL=94 μ F(Tantalum) SD:CMS02, Tr:XP162A12A6P 100 PWM/PFM Switching Control PWM Control VIN=2. 0 Output Current1, ...

Page 17

PERFORMANCE CHARACTERISTICS (Continued) (2) Efficiency vs. Output Current (Continued) FOSC=300kHz, V OUT1, 2 L=22 μ H(CDRH5D28), CL=94 μ F(Tantalum) 100 PWM/PFM Switching Control PWM Control 80 10. VIN=4. Output Current1 ...

Page 18

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (2) Efficiency vs. Output Current (Continued) FOSC=500kHz, V OUT1, 2 L=10 μ H(CDRH5D28), CL=94 μ F(Tantalum) SD:CMS02, Tr:XP162A12A6P 100 PWM/PFM Switching Control PWM Control VIN=2. Output ...

Page 19

PERFORMANCE CHARACTERISTICS (Continued) (3) Ripple Voltage vs. Output Current FOSC=300kHz, V OUT1, 2 L=22 μ H(CDRH5D28), CL=94 μ F(Tantalum) SD:CMS02, Tr:XP162A12A6P 100 PWM Control 80 60 VIN=2.7V 3.3V 5.0V 6.0V 40 8.0V 10V Output ...

Page 20

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (3) Ripple Voltage vs. Output Current (Continued) FOSC=300kHz, V OUT1, 2 L=22 μ H(CDRH5D28), CL=94 μ F(Tantalum) SD:CMS02, Tr:XP162A12A6P 100 PWM Control 80 VIN=4.2V 5. Output ...

Page 21

PERFORMANCE CHARACTERISTICS (Continued) (3) Ripple Voltage vs. Output Current (Continued) FOSC=180kHz, V OUT1, 2 L=47 μ H(CDRH6D28), CL=94 μ F(Tantalum) SD:CMS02, Tr:XP162A12A6P 100 PWM Control VIN=4.2V 6. Output Current1 ...

Page 22

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (3) Ripple Voltage vs. Output Current (Continued) FOSC=500kHz, V OUT1, 2 L=10 μ H(CDRH5D28), CL=94 μ F(Tantalum) 100 PWM Control VIN=4. 0 Output Current1 FOSC=500kHz, ...

Page 23

PERFORMANCE CHARACTERISTICS (Continued) (4) Supply Current 1 vs. Supply Voltage XC9503B092 (180KHz) 250 Topr=85 ℃ 25 ℃ 200 - 40 ℃ 150 100 Supply Voltage VDD (V) (6) Supply Current 1_2 vs. Supply ...

Page 24

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (10) EN1, 2 'High' 'Low' Voltage vs. Supply Voltage XC9503B093 (300KHz) 0.8 0.6 0.4 Topr=25 ℃ 0 Supply Voltage VDD (V) (12) PFM Duty Ratio 1, 2 vs. Supply Voltage ...

Page 25

PERFORMANCE CHARACTERISTICS (Continued) (16) Soft-Start Time 1, 2 vs. Supply Voltage XC9503 Series 25/32 ...

Page 26

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (17) Load Transient Response < 3 5.0V, I OUT1 ● PWM Control FOSC = 300kHz, V OUT1 100μA → 300mA V = 5.0V ...

Page 27

PERFORMANCE CHARACTERISTICS (Continued) (17) Load Transient Response (Continued) < 3.3V 5.0V, I OUT1 ● PWM Control FOSC=300kHz, V OUT1 =5.0V, I =10mA→300mA IN OUT1, 2 CH1 CH2 200μsec/div CH1 ...

Page 28

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (17) Load Transient Response (Continued) < 0.9V 3.3V, I OUT1 ● PWM Control FOSC=300kHz, V OUT1 =3.3V, I =100μA→300mA IN OUT1, 2 CH1 CH2 200μsec/div CH1: ...

Page 29

PERFORMANCE CHARACTERISTICS (Continued) (17) Load Transient Response (Continued) < 0.9V 3.3V, I OUT1 ● PWM Control FOSC=300kHz, V OUT1 =3.3V, I =10mA→300mA IN OUT1, 2 CH1 CH2 100μsec/div CH1 ...

Page 30

XC9503 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (17) Load Transient Response (Continued) < PWM Control ⇔ PWM / PFM Switching Control > FOSC=300kHz, V OUT1 V =5.0V, I =5mA, PWM1, 2 'Low'→'High' IN OUT1, 2 CH1 CH2 400μsec/div CH1 ...

Page 31

INFORMATION ●MSOP-10 ■MARKING RULE ●MSOP-10, USP- ① ② ③ ④ ⑤ ⑥ USP-10 MSOP-10 (TOP VIEW) (TOP VIEW) ●USP-10 Unit : mm ① represents product series MARK 4 ② ...

Page 32

... Should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives assume no responsibility for damage or loss due to abnormal use. 7. All rights reserved. No part of this datasheet may be copied or reproduced without the prior permission of TOREX SEMICONDUCTOR LTD. 32/32 ...

Related keywords