LTC3701EGN#TR Linear Technology, LTC3701EGN#TR Datasheet - Page 18

• Manufacturer Part Number: LTC3701EGN#TR
• Description: IC DC/DC CNTRLR STPDN DUAL16SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3701EGN#TR

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 10 V
• Current - Output: 1A
• Frequency - Switching: 550kHz
• Voltage - Input: 2.5 ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Other names: LTC3701EGNTR

LTC3701
18
TYPICAL APPLICATIO S
V
OUT1
Optional Output Sequencing Circuit
LT1004-1
1.2V
15k
3
4
+
–
LT1797
V
IN
78.7k
80.6k
5
2
100k
249k
R7
R6
R8
R9
C1, C5: SANYO 6TPA47M
C2: TAIYO YUDEN JMK325BJ226MM
C3: TAIYO YUDEN JMK316BJ106ML
D1, D2: IR10BQ015
1
0.01 F
R10
47k
10k
R5
1N4148
3701 TA05
C6 470pF
C4 220pF
2-Phase, Synchronizable Dual Output Step-Down DC/DC Converter
Single Cell Li-Ion to 3.3V (Zeta Converter) and 1.8V (Buck Converter)
78.7k
169k
100k
80k
10nF
R6
R8
R9
R7
U
10k
C1, C5: SANYO 6TPA47M
C2: TAIYO YUDEN LMK325BJ106K-T
R10
10k
10k
R5
FB2
C6 220pF
C4 220pF
1
3
2
4
6
5
7
8
10nF
SENSE1
V
I
SGND
I
V
PLLLPF
SENSE2
TH
TH
FB1
FB2
10k
/RUN1
/RUN2
LTC3701
–
–
78.7k
EXTCLK/MODE
169k
L1A, L1B: COILTRONICS CTX5-2
L2: MURATA LQN6C-4R7
M1, M2: Si3443DV
R1, R2: DALE 0.25W
R7
R6
1
2
3
4
5
6
7
8
SENSE1
SENSE2
PGATE1
PGATE2
PGOOD
SENSE1
I
V
SGND
V
I
PLLLPF
SENSE2
PGND
TH
TH
FB1
FB2
10k
R5
V
/RUN1
/RUN2
IN
+
+
220pF
D1, D2: IR10BQ015
L1, L2: MURATA LQN6C-4R7
2-Phase, 550kHz Single Output Step-Down DC/DC Converter
C4
LTC3701
–
–
16
15
14
13
12
11
10
9
EXTCLK/MODE
SENSE1
SENSE2
PGATE1
PGATE2
PGOOD
100k
0.025
PGND
C1: SANYO 6TPA47M
C2: TAIYO YUDEN LMK325BJ106K-T
D1, D2: IR10BQ015
0.03
1
2
3
4
5
6
7
8
R1
R2
V
IN
+
+
SENSE1
I
V
SGND
V
I
PLLLPF
SENSE2
TH
TH
FB1
FB2
V
16
15
14
13
12
11
10
9
/RUN1
/RUN2
IN
M1
M2
LTC3701
–
–
EXTCLK/MODE
100k
0.03
0.03
•
L1A
R1
R2
SENSE1
SENSE2
C3 10 F
D2
4.7 H
PGATE1
PGATE2
PGOOD
M1, M2: Si3443DV
R1, R2: DALE 0.25W
L2
PGND
V
V
IN
IN
+
+
M1
M2
16
15
14
13
12
11
10
9
+
3701 TA06
•
D1
C5
47 F
GND
L1B
L1, L2: MURATA LQN6C-4R7
M1, M2: Si3443DV
R1, R2: DALE 0.25W
D1
D2
4.7 H
4.7 H
0.03
0.03
L1
L2
R1
R2
+
+
C1
+
3701 TA02
M1
M2
GND
C1
47 F
C5
47 F
V
1.8V
2A
C2
22 F
OUT2
4.7 H
D1
D2
4.7 H
L1
L2
V
2.7V to 4.2V
V
3.3V
1A
IN
OUT1
C2
10 F
+
C1
47 F
3701 TA03
V
2.7V to 9.8V
V
2.5V
2A
V
1.8V
2A
IN
OUT1
OUT2
C2
10 F
V
2.5V TO 9.8V
V
2.5V
4A
IN
OUT
3701fa