HA17L431ALP Renesas Electronics Corporation., HA17L431ALP Datasheet - Page 9

• Manufacturer Part Number: HA17L431ALP
• Description: Shunt Regulator
• Manufacturer: Renesas Electronics Corporation.

HA17L431/HA17L431A Series
Noise Recovery Characteristics of HA17L431A and HA17L431
The HA17L431A bettered V
Rev.6.00 Jun 15, 2005 page 7 of 9
Tek Run: 25.0MS/s
1
2
Ch1
Ch3
T
500mV
1.00 V
[
Waveform of HA17L431A
Figure 1 Noise Response Characteristics Measurement Circuit
Ch2
T
Sample
15 V
1.00 V
KA
and Vref recovery time against the HA17L431 when it was inputted noise.
Trig?
Figure 2 Noise Recovery Characteristics
220 pF
(External)
M 2.00 s
Input pulse
1 V
0 V
Pulse
generator
Input Noise
12 k
50 ms
Vref
V
Ch2
KA
]
Shunt
Regulators
2.46 V
V
KA
(Cathode)
(Anode)
680
(REF)
Tek Run: 25.0MS/s
1
2
Ch1
Ch3
0.1 F
T
500mV
1.00 V
[
Vref
7.5 k
4.7 k
Waveform of HA17L431
Ch2
T
Sample
1.00 V
220 F
Trig?
Vout
M 2.00 s
Input Noise
Vref
V
Ch2
KA
]
2.46 V