RAA230221 Ver la hoja de datos (PDF) - Renesas Electronics

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componentes Descripción

Fabricante

RAA230221

16V Input, 3A, Dual Step-Down DC/DC Converter / BatteryBackup

Renesas Electronics 

RAA23022x RAA23023x

Battery Backup circuit : VBB_OUT changing Waveform (RAA23022x)

VIN=8.0V, VOUT1=3.3V, VBB_OUT output current =10uA, VBB_OUT capacitor = 0.47uF

(1) Battery Voltage (VBB_IN pin)=3.0V、VOUT1=3.3V

VBB_OUT

(0.2V/Div)

VIN

(2V/Div)

VOUT1

(2V/Div)

3.3V

8.0V

3.3V

3.0V

0V

3.0V

0V

3.3V

8.0V

3.3V

20ms/Div

(2) Battery Voltage(VBB_IN pin) = 3.6V、VOUT1=3.3V

VBB_OUT

(0.2V/Div)

VIN

(2V/Div)

VOUT1

(2V/Div)

3.3V

8.0V

3.3V

3.6V

0V

20ms/Div

3.6V

0V

3.3V

8.0V

3.3V

20ms/Div

Temperature Derating Curve

4000

3500

3000

2500

2000

1500

1000

500

0

0

25

50

75

TA(℃)

100

125

20ms/Div

R18DS0017EJ0100 REV.1.00

Apr.21.2015

Page 14 of 30

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