Datasheet LM317L (Fairchild) - 4

LM317L — Typical Application
D1
3-T
1N4002
e rminal 0.1A
VO Input
LM317L
Output + 120 1.0μF VADJ 1K
Positiv
720 KSP2222 TTL CONTROL MINIMUM VO = 1.25V
e Adjust Figure 2. 5V Electronic Shutdown Regulator
D1 protects the device during an input short circuit.
able
VO
Regulator LM317L
Input Output 240 1N4001 50K VADJ KSP2907 + R2 1.0μF
Figure 3. Slow Turn-On Regulator
IO V R1 R2 O Input
LM317L
Output VADJ IADJ
Figure 4. Current Regulator
V  REF 1.25V I = --------- + I @ -------- OMAX  R1  ADJ R1 V  REF  1.25V I = ----------- + I @ ----------- OMAX R1 + R2 ADJ R1 + R2 5mA < I < 500mA O © 2002 Fairchild Semiconductor Corporation www.fairchildsemi.com LM317L Rev. 1.1.0 4