16
LT1534/LT1534-1
1534fa LT/TP 0300 2K REV A • PRINTED IN USA
TYPICAL APPLICATION
U
LINEAR TECHNOLOGY CORPORATION 1998
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear-tech.com
PART NUMBER DESCRIPTION COMMENTS
LT1129 700mA Micropower Low Dropout Regulator 0.4V Dropout Voltage, Reverse Battery Protection
LT1175 500mA Negative Low Dropout Micropower Regulator Positive or Negative Shutdown Logic
LT1370 500kHz High Efficiency 6A Switching Regulator 90% Efficiency, Constant Frequency, High Power
LT1371 500kHz High Efficiency 3A Switching Regulator 90% Efficiency, Constant Frequency, Synchronizable
LT1377 1MHz High Efficiency 1.5A Switching Regulator High Frequency, Small Inductor
LT1425 Isolated Flyback Switching Regulator Excellent Regulation Without Transformer “Third Winding”
LT1533 Ultralow Noise 1A Switching Regulator Push-Pull Design for Low Noise Isolated Supplies
LT1763 500mA Low Noise Micropower LDO 20µV
RMS
(10Hz to 100kHz), 30µA Quiescent Current
LT1777 700mA Low Noise Step-Down Switching Regulator Programmable dI/dt Limit, 48VMax V
IN
RELATED PARTS
Low Noise Wide Input Range ±5V Supply
141,8
9,16
SHDN
COL
R
CSL
R
VSL
5
C
T
6
R
T
LT1534-1
GND
V
IN
15
2
4
10
12
11
220pF
0.01µF
1500pF
16.9k
L2
28nH
C1
10µF
16V
V
IN
3V TO 12V
+
1N5817
*TOTAL OUTPUT CURRENT ≤ 300mA
C1, C2, C3: MATSUSHITA ECGCICB6R8
C4, C5: MATSUSHITA ECGC0JB470
L2: COILCRAFT B08T OR PC TRACE
T1: COILTRONICS VP2-0216
2.49k
10Ω
V
OUT1
V
OUT1
5V
150mA*
V
OUT2
–5V
150mA*
6.8k
13
4k TO
25k
7.5k
C4
47µF
6.3V
+
C5
47µF
6.3V
+
+
1534 TA03
V
C
PGND
FB
3
1nF
11
8
12
9
2
5
1
4
6
3
T1
T1
T1
10
7
7
1N5817
NFB
4k TO
25k
SYNC
C3
10µF
16V
+
C2
10µF
16V
