LTC1143LCS-ADJ#PBF Linear Technology, LTC1143LCS-ADJ#PBF Datasheet - Page 18

• 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: -

3.3V/2A
LTC1143/LTC1143L
LTC1143L-ADJ
18
TYPICAL APPLICATIONS
V
220 F
C
OUT1
OUT1
10V
2
C
C
L1: SUMIDA CDRH125-270
L2: PULSE ENGINEERING PE-53718
IN1
OUT1
R
, C
+
0.05
SENSE1
, C
IN2
82.5k
49.9k
OUT2
: AVX TPSD226K025R0200
1%
1%
R1
R2
: AVX TPSE227M010R0100
+
MBRS130L
C
22 F
25V
IN1
27 H
2
L1
D1
P1
1000pF
100pF
0.22 F
16
4
1
2
U
SENSE
P-DRIVE 1
SENSE
V
GND1
P1, P2: SILICONIX Si9803DY
R
R
Z1: MMBZ5231B
FB1
V
SENSE1
SENSE2
IN1
3
13
Figure 12. Dual 3.3V/5V Buck-Boost Regulator
300pF
+
–
C
1
1
T1
: IRC 1206-R050F
: IRC 1206-R082F
C
T1
14
I
TH1
15
R
1k
C1
C
3300pF
LTC1143L-ADJ
3.5V TO 10V
C1
V
IN
I
TH2
7
R
1k
C2
C
3300pF
C2
C
T2
6
C
180pF
P-DRIVE 2
T2
SENSE
SENSE
GND2
5
V
IN2
V
11
FB2
+
–
2
2
8
10
9
12
0.22 F
1000pF
100pF
MMBT2222ALT1
P2
R
0.082
L2A
SENSE2
220 F
10V
+
OVERVOLTAGE
PROTECTION
D2
MBRS130L
L2B
R4
150k
1%
R3
49.9k
1%
+
1k
Z1
5.1V
C
22 F
25V
1143 F12
IN2
2
C
220 F
10V
V
5V/1A
OUT2
OUT2