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LTC1143LCS-ADJ 数据表(PDF) 17 Page - Linear Technology

部件名 LTC1143LCS-ADJ
功能描述  Dual High Efficiency SO-16 Step-Down Switching Regulator Controllers
Download  20 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1143LCS-ADJ 数据表(HTML) 17 Page - Linear Technology

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17
LTC1143/LTC1143L
LTC1143L-ADJ
+
+
+
P-DRIVE 3
SENSE+ 3
SENSE3
GND3
GND5
CT3
ITH3
ITH5
CT5
SENSE5
SENSE+ 5
P-DRIVE 5
VIN3
SHUTDOWN 5
VIN5
LTC1143L
CT5
220pF
CT3
270pF
314
15
7
6
11
RC5
1k
CC3
3300pF
CC5
3300pF
RC3
1k
13
10
5
12
9
8
4
1
16
VOUT5
5V/2A
COUT5
220
µF
10V
× 2
RSENSE5
0.05
L2
25
µH
D2
MBRS140T3
P1: FAIRCHILD NDS8934
RSENSE3: IRC LR2512-01-OR100G
RSENSE5: IRC LR2512-01-ORO5OG
D1
MBRS140T3
0V = NORMAL
>1.5V = SHUTDOWN
CIN5
22
µF
25V
× 2
CIN3
22
µF
25V
× 2
P1A
COUT3
220
µF
10V
L1
50
µH
RSENSE3
0.10
VOUT3
3.3V/1A
VIN RANGE
VOUT5 ON: 5.2V TO 8V
VOUT5 SHUTDOWN: 3.5V TO 8V
+
+
P1B
0.01
µF
0.01
µF
1143 F10
0.22
µF
0.22
µF
+
SHUTDOWN 3
2
CIN3, CIN5: AVX TPSD226K025R0200
COUT3, COUT5: AVX TPSE227M010R0080
L2: COILTRONICS CTX50-4
L2: COILTRONICS CTX25-4
1000pF
100pF
+
+
+
1000pF
100pF
P-DRIVE 1
SENSE+ 1
SENSE1
VFB1
VFB2
GND1
CT1
ITH1
ITH2
CT2
GND2
SENSE2
SENSE+ 2
P-DRIVE 2
VIN1
VIN2
LTC1143L-ADJ
CT2
300pF
3
2
14
15
7
611
RC2
1k
CC1
3300pF
CC2
3300pF
CT1
220pF
RC1
510
0.22
µF
13
5
12
9
8
10
4
1
16
VOUT2
2.5V/2A
COUT2
220
µF
10V
× 2
RSENSE2
0.04
100
100
P2
L2
27
µH
D2
MBRS320T3
0.22
µF
CIN2
22
µF
25V
× 2
CIN1
22
µF
25V
× 3
P1
D1
MBRS320T3
COUT1
330
µF
6.3V
× 2
L1
15
µH
RSENSE1
0.025
100
100
R2
22.1k
1%
5.6k
R1
49.9k
1%
VOUT1
1.8V/3A
R3
49.9k
1%
R4
49.9k
1%
8.2k
VIN
4V TO 14V
1143 F11
+
CIN1, CIN2: AVX TPSD226K025R0200
COUT1: AVX TPSE337M006R0100
COUT2: AVX TPSE227M010R0100
100pF
P1: IR IRF7406
P2: IR IRF7204
L1: SUMIDA CDRH125-150
L2: SUMIDA CDRH125-270
RSENSE1: DALE WSL-2010-.025
RSENSE2: DALE WSL-2010-.04
Figure 11. Dual 1.8V/3A and 2.5V/2A with Burst Mode Defeated
Figure 10. All Surface Mount Low Dropout Dual 5V/2A, 3.3V/1A Converter
TYPICAL APPLICATIONS


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