MC1404 Datasheet, PDF (5/8 Pages) ON Semiconductor – PRECISION LOW DRIFT VOLTAGE REFERENCES

MC1404
Figure 13. 5.0 V, 6.0 Amp, 25 kHz Switching Regulator with Separate Ultra–Stable Reference
+ 10 to + 30 ln
+ _{1000 µF}
– 50 V
0.01 µF
50 V
Ceramic
2N5879
33
120 µH
+
1N3889
– ^{5000 µF}
6.8 V
(Low ESR)
+5.0 V Out
200 mA to
6.0 Amps
0.01 µF
Ceramic
2
6
MC1404P5
4
5
100 k
TRIM
(opt)
130
130
12
Pulse Width
Modulator
8
11
Motorola
TL495CN ₁₇
–
+
18
2.2 k
Oscillator
1
+
–
2
3
5
67
9
10 4
14
220 k
0.005 µF
10 k
2.2 k
0.001 µF
12.5 to
40 V
Input
Figure 14. Reference for a High Speed DAC
2
6
MC1404P10
4
10 V Reference
R1
0.1 µF
R1 and R2 values depend
on the current requirements
of the DAC.
R2
Digital
Inputs
Ladder
and
Switches
Analog
Output
High Speed DAC
MOTOROLA ANALOG IC DEVICE DATA
5