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PDF RAA230221 Data sheet ( Hoja de datos )

Número de pieza RAA230221
Descripción Dual Step-Down DC/DC Converter
Fabricantes Renesas 
Logotipo Renesas Logotipo



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No Preview Available ! RAA230221 Hoja de datos, Descripción, Manual

RAA23022x RAA23023x [Under Development]
Preliminary
Preliminary Datasheet
RAA23022x RAA23023x [Under Development]
16V Input, 3A, Dual Step-Down DC/DC Converter
+ Battery Backup
R18DS0017EJ0000
REV.0.00
Aug.19.2014
Description
The RAA23022x and RAA23023x are dual step-down DC/DC converter, 4.5V to 16V input voltage rage and 3A
output current. Auto PFM mode makes devices low power operation at light load, so it makes a system lower
power.
The RAA23022x is suitable for battery backup system using lithium primary cell with built-in battery backup
circuit.
Features
z DC/DC
Input voltage range
4.5V to 16V
Shutdown current
1uA (typ.)
Auto PFM mode
Maximum output current
3A
Synchronous rectification type step-down DC/DC
Integrated power MOSFETs
Switching frequency
1.1MHz (fixed)
Output voltage range
0.8V to 6V
Internal phase compensator
Soft start
2ms (fixed)
Discharge circuit
Power Good
Battery backup circuit (RAA23022x)
z Protection circuit
Short circuit protection (latch type)
Thermal shutdown circuit
165°C (typ.)
Under voltage lockout circuit (recovery type)
z Package
20-pin HTSSOP
Application
Communication (Router, Home Gate Way, Radio, etc.)
Industrial (Surveillance camera, Various controller, etc.)
Building (Security device, Emergency device, Various controller, etc.)
OA (Printer, Plane paper copier, etc.)
Smart meter
Smart home appliances
And, usable various application
Note: The information contained in this document is being issued in advance of the production cycle for the product.
The parameters for the product may change before final production, or Renesas Electronics Corporation, at its
own discretion, may withdraw the product prior to its production.
A quality grade of these ICs is “Standard”. Recommended applications are indicated below.
Computers, office equipment, communications equipment, test and measurement equipment,
audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment,
and industrial robots, etc.
R18DS0017EJ0000 REV.0.00
Aug.19.2014
Page 1 of 25

1 page




RAA230221 pdf
RAA23022x RAA23023x [Under Development]
RAA23023x (2CH DCDC, VOUT set by external resistors)
Preliminary
R18DS0017EJ0000 REV.0.00
Aug.19.2014
Page 5 of 25

5 Page





RAA230221 arduino
RAA23022x RAA23023x [Under Development]
Typical Performance Characteristics
Efficiency vs. Output Current
Preliminary
(Unless otherwise specified, TA = 25°C)
VIN=12 V
VOUT=5.0V
VOUT=3.3V
VOUT=1.2V
R18DS0017EJ0000 REV.0.00
Aug.19.2014
Page 11 of 25

11 Page







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