LT1038 Datasheet, PDF (7/8 Pages) Linear Technology – 10Amp Positive Adjustable Voltage Regulator

LT1038
TYPICAL APPLICATIO S
Improving Ripple Rejection
V_IN
+
1µF
LT1038
V_IN
V_OUT
ADJ
5V
R1
121Ω
1%
R2 ⁺ _C1*
365Ω
10µF
1%
*C1 IMPROVES RIPPLE
REJECTION. X_C SHOULD
BE SMALL COMPARED TO R2.
1038 TA05
1.2V to 25V Adjustable Regulator
LT1038
V_IN
V_IN
V_OUT
ADJ
+ _C1*
R2
1µF
5k
R1
121Ω
+
V_{OUT†â€} 
C2^†
1µF
*NEEDED IF DEVICE IS FAR FROM FILTER CAPACITORS
†_{OPTIONAL—IMPROVES TRANSIENT RESPONSE}
†† _{VOUT = 1.25V (1 + R2/R1)}
1038 TA06
5V Regulator with Shutdown
V_IN
+
LT1038
V_IN
V_OUT
ADJ
1µF
1k
TTL
2N3904
1k
5V
121Ω
1%
365Ω
1%
1038 TA07
Remote Sensing
LT1038
V_IN VIN
V_OUT
ADJ
RETURN
R_p
(MAX DROP 300mV)
25Ω
121Ω
365Ω
V_IN
7
2
6
LM301A
1
3 ^1k
8
4 5µF
+
100pF
25Ω
5V
OUTPUT
R_L
RETURN
1038 TA08
Temperature Compensated Lead Acid Battery Charger
10A
V_IN
LT1038
V_IN
V_OUT
ADJ
121Ω _10k*
1%
THERMALLY
50Ω
COUPLED
25k
2N3906
+
12V
–
2k*
CHARGE
50k*
2N3904
*LOAD ON BATTERY ≈ 200µA
WHEN NOT CHARGING
1038 TA09
SCHE ATIC DIAGRA
V_IN
310Ω 310Ω 190Ω
50Ω
5.6k
Q11
Q4 Q6
Q9
Q2
Q15
30k
Q5
4k
Q1
130Ω _Q8
Q3
Q7
160k
180Ω
Q14
3k
12.4k
Q10
Q12 _Q13
Q16
C1
30pF
4.1k 6k 10k
5.1k
Q24
20k
300Ω
Q19
1.6k
Q18
Q20
Q17
Q23
6.7k
12k
200Ω
Q27
Q26
120Ω
Q28
Q21
C3 400Ω 160Ω
5pF
Q22
16k
Q25
D1
6.3V
18k
D2
6.3V
C2
30pF
2.4k
160Ω
3Ω
12k
0.005Ω
ADJ
V_{OUT 1038 SD}
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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