Datasheet TLVH431B-EP (Texas Instruments) - 8

link to page 4
TLVH431B-EP
SLVSFF4 – DECEMBER 2019
www.ti.com Typical Characteristics (continued)
Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied.
350 3 V Hz) (nV/ 1 k
W
− 300 e g lta o e V + 750
W
is o 470
m
F 250 2200
m
F TLE2027 t N u + p + n t I n _ TP le a 200 820
W
iv TLVH431 u q E TLVH432 − n 160 k
W
V 150 160
W
10 100 1 k 10 k 100 k f – Frequency – (Hz)
VKA = VREF IK = 1 mA TA = 25°C
Figure 9. Equivalent Input Noise Voltage Figure 10. Test Circuit for Equivalent Noise Voltage vs Frequency 10 3 V V) 8 1 k (
m W
− e 6 g lta + 0.47
m
F 750 o
W
4 470
m
F 2200
m
F TLE2027 e V + TP + 10 k
W
10 k
W
TLE2027 is 2.2
m
F 2 o + _ + _ t N 820
W
u 0 160 k
W
1
m
F p TLVH431 CRO 1 M
W
n TLVH432 t I −2 n 33 k
W
le a 0.1
m
F 33 k
W
16
W
iv −4 u q E −6 − nV −8 −100 2 4 6 8 10 t − Time − (s)
f = 0.1 Hz to 10 Hz IK = 1 mA TA = 25°C
Figure 11. Equivalent Input Noise Voltage Figure 12. Test Circuit for 0.1-Hz to 10-Hz Over a 10-s Period Equivalent Noise Voltage ) B 80 0
°
Output (d − 70 36
°
I in ift K 6.8 k
W
rg h a 60 72
°
180
W
e S e M s s a 10
m
F a 50 108
°
h h P /P in 40 144
°
a 5 V e G 30 180
°
g 4.3 k
W
lta o 20 l V a n 10 ig ll-S a 0 GND m S − −10 VA −20100 1 k 10 k 100 k 1 M f − Frequency − (Hz)
IK = 1 mA TA = 25°C
Figure 13. Voltage Gain and Phase Margin Figure 14. Test Circuit for Voltage Gain and Phase Margin vs Frequency
8 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated Product Folder Links: TLVH431B-EP Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 Electrical Characteristics 6.6 Typical Characteristics 7 Parameter Measurement Information 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.4 Device Functional Modes 8.4.1 Open Loop (Comparator) 8.4.2 Closed Loop 9 Applications and Implementation 9.1 Application Information 9.2 Typical Applications 9.2.1 Comparator With Integrated Reference (Open Loop) 9.2.1.1 Design Requirements 9.2.1.2 Detailed Design Procedure 9.2.1.3 Application Curves 9.2.2 Shunt Regulator/Reference 9.2.2.1 Design Requirements 9.2.2.2 Detailed Design Procedure 9.2.2.3 Application Curve 10 Power Supply Recommendations 11 Layout 11.1 Layout Guidelines 11.2 Layout Example 12 Device and Documentation Support 12.1 Documentation Support 12.1.1 Related Documentation 12.2 Receiving Notification of Documentation Updates 12.3 Support Resources 12.4 Trademarks 12.5 Electrostatic Discharge Caution 12.6 Glossary 13 Mechanical, Packaging, and Orderable Information