Datasheet

Copyright © 2016, Texas Instruments Incorporated
Copyright © 2016, Texas Instruments Incorporated
Copyright © 2016, Texas Instruments Incorporated
Copyright © 2016, Texas Instruments Incorporated
21
LM138 , LM338
www.ti.com SNVS771C –MAY 1998–REVISED DECEMBER 2016
Product Folder Links: LM138 LM338
Submit Documentation FeedbackCopyright © 1998–2016, Texas Instruments Incorporated
System Examples (continued)
† Minimum load—10 mA
* All outputs within ±100 mV
Figure 38. Tracking Preregulator Figure 39. Adjusting Multiple On-Card Regulators
With Single Control*
A
V
= 1, R
F
= 10k, C
F
= 100 pF
A
V
= 10, R
F
= 100k, C
F
= 10 pF
Bandwidth ≥ 100 kHz
Distortion ≤ 0.1%
Use of R
S
allows low charging rates with fully charged battery.
**The 1000 µF is recommended to filter out input transients
Use of R
S
allows low charging rates with fully charged battery.
**The 1000 µF is recommended to filter out input transients
Figure 40. Power Amplifier Figure 41. Simple 12-V Battery Charger