LT1185 LINER [Linear Technology], LT1185 Datasheet - Page 10

• Manufacturer Part Number: LT1185
• Description: Low Dropout Regulator
• Manufacturer: LINER [Linear Technology]

APPLICATIO S I FOR ATIO
LT1185
10
U U
V
+
–
IN
R7
2.4k
V
†
W
IN
5V
–
R6
30k
REF
V
IN
R
4k
5V Logic, Negative Regulated Output
Figure 3. Shutdown Techniques
5V Logic, Positive Regulated Output
LIM
LT1185
R4
33k
†
*CMOS LOGIC
†
U
“HI” = OUTPUT “OFF”
3 EA 1N4148
FOR HIGHER VALUES OF R
GND
V
IN
V
OUT
REF
FB
Q1
2N3906
R
LIM
LT1185
R1
R2
LIM
GND
, MAKE R7 = (R
LT1185 • F03b
+
V
OUT
FB
+
LT1185 • F3a
V
R5
300k
OUT
LIM
)(0.6)
Q1
2N3906
5V
*