RT34063A
Typical Operating Characteristics
Output Switch On-Off Time vs.
Oscillator Timing Capacitor
Timing Capacitor Waveform
1000
VCC = 5.0V
Pin 7 = VCC
Pin 5 = GND
TA = 25°C
100
10
1
VOUT = 5.0V
Pin 1,8 = Open, Pin 7 = VCC
CT = 1.0nF ,Pin 5 = GND
TA = 25°C
Time (10us/Div)
0.01
0.1
1
10
TC, Oscilator Timing Capacitor (nF)
Emitter Follower Configuration
Common Emiter Configuration Output Switch
Output Saturation Voltage vs. Emiter Current
1.7
Saturation Voltage vs. Collector Current
1.0
1.6
1.5
1.4
1.3
0.8
0.6
0.4
VCC = 5.0V
1.2
1.1
1
VCC = 5.0V
Pin 7 = VCC
Pin 1,7,8 = VCC
Pin 3,5 = GND
TA = 25°C
0.2
Pin 2,3,5 = GND
TA = 25°C
0.0
0
0.3
0.6
0.9
1.2
1.5
0
0.3
0.6
0.9
1.2
1.5
IE, Emitter Current (A)
ICC, Collector Current (A)
Standyby Supply Current vs. Supply Voltage
3.5
Current Limit Sense Voltage vs. Temperature
400
380
360
340
320
300
280
260
240
3.0
2.5
2.0
1.5
1.0
0.5
0.0
VCC = 5.0V
Pin 7 = VCC
Pin 5 = 2.0V
Pin 2 = GND
TA = 25°C
VCC = 5.0V
220
ICHARGE = IDISCHARGE
200
0
5
10
15
20
25
30
-40
-20
0
20
40
60
80
Supply Voltage (V)
Temperature (°C)
www.richtek.com
10
DS34063A-13 March 2007
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
