RT8004
V
REF
Deviation vs. Temperature
1.50%
1.00%
Frequency vs. R
RT
4500
4000
3500
V
IN
= 3.3V
V
IN
= 3.3V
V
REF
Deviation (%)
0.50%
0.00%
-0.50%
-1.00%
-1.50%
-50
-25
0
25
50
75
100
125
Frequency (kHz)
3000
2500
2000
1500
1000
500
0
0
200
400
600
800
1000
1200
1400
Temperature
(°C)
R
RT
(k )
(kΩ)
Frequency vs. Input Voltage
1.04
1.032
Frequency vs. Temperature
5
4
R = 309k
V
IN
= 3.3V
Frequency Deviation (%)
3
3.5
4
4.5
5
5.5
3
2
1
0
Frequency (MHz)
1.024
1.016
1.008
1
0.992
-1
-2
-3
-4
-5
-50
-25
0
25
50
75
100
125
Input Voltage (V)
Temperature
(°C)
Quiescent Current vs. Input Voltage
500
450
Peak Current Limited vs. Input Voltage
5.5
V
OUT
= 2.5V
Quiescent Current (uA)
400
350
300
250
200
150
100
50
0
3
3.5
4
4.5
5
5.5
Peak Current Limited (A)
5.3
5.1
4.9
4.7
4.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Input Voltage (V)
DS8004-03
September 2007
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
