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LTC1539CGW#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32
25
LTC1538-AUX/LTC1539
APPLICATIONS INFORMATION
WUU
U
Figure 13. LTC1539 Physical Layout Diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
RUN/SS1
SENSE
+
1
SENSE
–
1
V
PROG1
I
TH1
POR2
C
OSC
SGND
LBI
LBO
SFB1
I
TH2
V
PROG2
V
OSENSE2
SENSE
–
2
SENSE
+
2
RUN/SS2
AUXDR
PLL LPF
PLLIN
BOOST 1
TGL1
SW1
TGS1
V
IN
BG1
INTV
CC
PGND
BG2
EXTV
CC
TGS2
SW2
TGL2
BOOST 2
AUXON
AUXFB
LTC1539
D
B1
D
B2
M3
M1
C
IN1
C
IN2
C
OUT1
+
–
C
OUT2
R
SENSE1
R
SENSE2
C
B1
0.1µF
C
LP
0.01µF
C
C1A
1000pF
R
LP
10k
EXT 
CLOCK
C
B2
0.1µF
M2 D1
L1
L2
GROUND PLANE
D2
M5
1538 F13
M6
M4
4.7µF
+
+
+
+
+
R
C1
10k
R
C2
10k
+
–
V
OUT1
+
–
V
IN
V
OUT2
1000pF
1000pF
220pF
NOT ALL PINS CONNECTED FOR CLARITY
BOLD LINES INDICATE HIGH CURRENT PATHS
INTV
CC
INT V
CC
V
IN
100k
1000pF
C
OSC
C
C1B
220pF
C
SS
0.1µF
C
C2B
470pF
C
C2A
1000pF
C
SS
0.1µF
OUTPUT DIVIDER
REQUIRED WITH
V
PROG
OPEN
100pF
22pF
10Ω
10Ω
56pF
26
LTC1538-AUX/LTC1539
TYPICAL APPLICATIONS
U
LTC1538-AUX 5V/3A, 3.3V/3.5A, 12V/0.2A Regulator
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
BOOST1
RUN/SS1
SENSE
+
1
SENSE
–
1
V
PROG1
I
TH1
C
OSC
SGND
SFB1
I
TH2
V
OSENSE2
SENSE
–
2
SENSE
+
2
RUN/SS2
TGL1
SW1
V
IN
BG1
INTV
CC
PGND
BG2
EXTV
CC
SW2
TGL2
BOOST 2
AUXON
AUXFB
AUXDR
LTC1538-AUX
1538 TA01
100Ω
10k
10k
CMDSH-3
0.1µF
1000pF
1000pF
4.7µF 16V
10µH
SUMIDA
CDRH125-100MC
CMDSH-3
1000pF
1000pF
100Ω
56pF
220pF
1000pF
470pF
56pF
221k, 1%
392k, 1%
10Ω
10Ω
220pF
0.1µF
V
OUT1
0.1µF
0.1µF
0.1µF
+
22µF
35V
× 2
10Ω
M1A
M1B
M3
M2
MBRS140T3
MBRS140T3
+
100µF
10V, × 2
0.033Ω
T1 1: 1.8
0.033Ω
+
10µF
25V
+
100µF
10V
× 2
+
22µF
35V
× 2
+
4.7µF
47k
2N2905
R6
1M
1%
R5
90.9k
1%
V
IN
5.2V TO 28V
V
OUT1
5V/3A
GND
V
OUT2
3.3V/3.5A
V
OUT3
12V
+
1N4148
1k
1N4148
22pF
5V STANDBY
MBRS1100T3
V
IN
5.2 TO 28V: SWITCHING FREQUENCY = 200kHz
T1: DALE LPE6562-A262 GAPPED E-CORE OR BH ELECTRONICS #501-0657 GAPPED TOROID
M1A, M1B = SILICONIX Si4936DY
M2, M3 = SILICONIX Si4412DY
ALL INPUT AND OUTPUT CAPACITORS ARE AVX-TPS SERIES
27
LTC1538-AUX/LTC1539
TYPICAL APPLICATIONS
U
LTC1539 High Efficiency Low Noise 5V/20mA Standby, 5V/3A, 3.3V/3.5A and 12V/200mA Regulator
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
RUN/SS1
SENSE
+
1
SENSE
–
1
V
PROG1
I
TH1
POR2
C
OSC
SGND
LBI
LBO
SFB1
I
TH2
V
PROG2
V
OSENSE2
SENSE
–
2
SENSE
+
2
RUN/SS2
AUXDR
PLL LPF
PLLIN
BOOST 1
TGL1
SW1
TGS1
V
IN
BG1
INTV
CC
PGND
BG2
EXTV
CC
TGS2
SW2
TGL2
BOOST 2
AUXON
AUXFB
LTC1539
D2
CMDSH-3
D4
CMDSH-3
D1
MBRS140T3
T1*
1: 1.8
D3
MBRS140T3
M3
M1
0.1µF
C
LP
0.01µF
C
C1
1000pF
R
LP
10k
EXT
CLOCK
0.1µF
M2
M5
1538 TA02
M6
M4
V
OUT1
4.7µF 16V
+
R
C1
10k
R
C
10k
1000pF
1000pF
INTV
CC
100k
LBO
1000pF
C
OSC
56pF
C
C1A
220pF
C
SS1
0.1µF
C
C2
1000pF
C
SS2
0.1µF
220pF
C
C2A
470pF
100pF
390k, 1%
110k, 1%
100k
POR2
D7
MBRS1100T3
R
SENSE1
0.03Ω
+
10µF
25V
+
C
OUT2
220µF
10V
+
C
OUT1
220µF
10V
V
OUT1
5V/3A
R
SENSE2
0.03Ω
V
OUT2
3.3V
3.5A
L2
10µH
+
C
IN2
22µF
35V
× 2
47k
R6
1M
1%
R5
90.9k
1%
+
4.7µF
25V
Q1
MMBT
2907
V
OUT2
12V
200mA
V
IN
6V TO 28V
*T1 = DALE LPE6562-A262 OR BH ELECTRONICS #501-0657
M1, M2, M4, M5 = IRF7403
M3, M6 = IRLML2803
L2 = SUMIDA CDRH125-100MC
ALL INPUT CAPACITORS ARE AVX-TPS SERIES
ALL OUTPUT CAPACITORS ARE AVX-TPSV LEVEL II SERIES
+
CIN1
22µF
35V
× 2
5V
STANDBY
D6
1N4148
1k
D5
1N4148
10Ω
10Ω
100Ω 100Ω
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LTC1539CGW#PBF

Mfr. #:
Buy LTC1539CGW#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Dual Const Freq Syn Sw Reg Cntrl
Lifecycle:
New from this manufacturer.
Delivery:
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