LTC1143LCS-ADJ#PBF Linear Technology, LTC1143LCS-ADJ#PBF Datasheet - Page 17

• Manufacturer Part Number: LTC1143LCS-ADJ#PBF
• Description: IC SW REG STEP-DOWN DUAL 16-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1143LCS-ADJ#PBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: Adjustable
• Current - Output: 50mA
• Frequency - Switching: 400kHz
• Voltage - Input: 3.5 ~ 16 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

TYPICAL APPLICATIONS
1.8V/3A
V
C
330 F
OUT1
OUT1
6.3V
3.3V/1A
V
2
OUT3
C
C
P1: FAIRCHILD NDS8934
R
R
L2: COILTRONICS CTX50-4
L2: COILTRONICS CTX25-4
R
IN3
OUT3
0.025
+
SENSE3
SENSE5
SENSE1
, C
49.9k
22.1k
, C
+
1%
R
IN5
1%
R2
R1
0.10
SENSE3
OUT5
: IRC LR2512-01-OR100G
: IRC LR2512-01-ORO5OG
C
220 F
10V
: AVX TPSD226K025R0200
OUT3
C
C
C
+
IN1
OUT1
OUT2
: AVX TPSE227M010R0080
100
MBRS320T3
, C
C
22 F
25V
IN1
: AVX TPSE337M006R0100
: AVX TPSE227M010R0100
15 H
3
IN2
MBRS140T3
L1
50 H
22 F
100
C
L1
25V
: AVX TPSD226K025R0200
IN3
2
D1
D1
+
P1
Figure 10. All Surface Mount Low Dropout Dual 5V/2A, 3.3V/1A Converter
1000pF
P1A
100pF
5.6k
0.22 F
Figure 11. Dual 1.8V/3A and 2.5V/2A with Burst Mode Defeated
0.01 F
U
16
4
1
16
4
1
2
SENSE
P-DRIVE 3
SENSE
GND3
SENSE
P-DRIVE 1
SENSE
V
V
FB1
GND1
V
IN3
3
IN1
13
13
3
220pF
+
–
+
+
3
–
3
C
1
1
L1: SUMIDA CDRH125-150
L2: SUMIDA CDRH125-270
T1
SHUTDOWN 3
0.22 F
C
C
T3
T1
14
14
V
C
270pF
OUT5
T3
I
2
TH1
V
>1.5V = SHUTDOWN
OUT5
15
SHUTDOWN: 3.5V TO 8V
I
R
510
0V = NORMAL
TH3
C1
C
3300pF
V
15
LTC1143L-ADJ
C1
R
ON: 5.2V TO 8V
IN
LTC1143L
1k
4V TO 14V
C3
C
3300pF
RANGE
C3
V
IN
3300pF
I
TH5
SHUTDOWN 5
C
7
C2
R
1k
C5
C
3300pF
C5
I
TH2
10
7
R
1k
0.22 F
C
C2
T5
6
C
T2
P1: IR IRF7406
P2: IR IRF7204
C
220pF
6
T5
P-DRIVE 5
C
300pF
SENSE
SENSE
P-DRIVE 2
T2
SENSE
SENSE
+
V
GND5
GND2
IN5
5
V
IN2
V
5
+
–
11
11
FB2
+
–
5
5
2
2
9
8
12
9
8
10
12
0.22 F
0.01 F
LTC1143/LTC1143L
1000pF
100pF
P1B
8.2k
R
R
SENSE1
SENSE2
D2
MBRS140T3
P2
+
LTC1143L-ADJ
: DALE WSL-2010-.025
: DALE WSL-2010-.04
100
C
22 F
25V
D2
MBRS320T3
25 H
IN5
2
L2
27 H
L2
100
100pF
R
+
0.05
SENSE5
R
R4
49.9k
1%
0.04
R3
49.9k
1%
SENSE2
+
C
22 F
25V
IN2
2
+
C
220 F
10V
V
5V/2A
1143 F10
OUT5
17
OUT5
2
1143 F11
C
220 F
10V
V
2.5V/2A
OUT2
2
OUT2