ha16116fpj Renesas Electronics Corporation., ha16116fpj Datasheet - Page 26

• Manufacturer Part Number: ha16116fpj
• Description: Switching Regulator For Chopper Type Dc/dc Converter
• Manufacturer: Renesas Electronics Corporation.

HA16116FP/FPJ, HA16121FP/FPJ
• Triangle Wave Oscillator Block
Rev.2.0, Sep.18.2003, page 26 of 33
1.1
1.0
0.9
0.8
0
10 (R
R
T
T
pin Output Current Characteristics
100
Reccomended
usage range
100 k )
100
70
50
30
20
10
7
5
3
200
10
I
RT
+10
+5
10
( A)
0
5
20
300
C
20
330 (R
T
, R
V
Oscillator Frequency Temperature Stability
IN
B
T
A
30
= 12 V
0
Values (V
T
400
Oscillator frequency f
3 k )
Ambient temperature Ta ( C)
50
20
IN
500
= 12V) vs. Oscillator Frequency
70
A: f
B: f
100
40
OSC
OSC
= 300 kHz
= 600 kHz
Sawtooth Wave Amplitude vs. Oscillator Frequency
OSC
2.0
1.5
1.0
0.5
(DC)
0
60
200
(kHz)
Note: Due to these characteristics, the dead
B
100
300
band and PWM comparator threshold
voltages change at high frequencies.
A
80
f
85
OSC
200
500 700 1 M
V
(kHz) (linear scale)
V
600 kHz
TL
TH
100
300
Sawtooth wave
amplitude
400
500
600