LT1085_15 Datasheet, PDF (15/22 Pages) Linear Technology – 7.5A, 5A, 3A Low Dropout Positive Adjustable Regulators

Typical Application
LT1083/LT1084/LT1085
Paralleling Regulators
V_IN
IN LT1083 OUT
2 FEET #18 WIRE*
ADJ
( ) ^VOUT ^{= 1.25V}
1+
R2
R1
0.015Ω
I_OUT = 0A TO 15A
IN LT1083 OUT
ADJ
R1
120Ω
*THE #18 WIRE ACTS
AS BALLAST RESISTANCE
INSURING CURRENT SHARING
BETWEEN BOTH DEVICES
LT1083/4/5 ADJ TA03
R2
Improving Ripple Rejection
V_IN
+
IN
10µF
LT1083 OUT
ADJ
R1
121Ω
1%
R2 +
365Ω
1%
+
C1
25µF*
V_OUT
5V
150µF
*C1 IMPROVES RIPPLE REJECTION.
X_C SHOULD BE < R1 AT RIPPLE FREQUENCY
1083/4/5 ADJ TA04
V_IN
IN LT1083 OUT
ADJ
+
10µF
RETURN
Remote Sensing
+
25Ω
121Ω
365Ω
R_P
(MAX DROP 300mV)
100µF
V_IN
7
2
6
LM301A
1
3 ^1k
8
4 _5µF
100pF
+
25Ω
V_OUT
5V
R_L
RETURN
1083/4/5 ADJ TA07
For more information www.linear.com/LT1083
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