LTC3736EUF-2#PBF Linear Technology, LTC3736EUF-2#PBF Datasheet - Page 25

• Manufacturer Part Number: LTC3736EUF-2#PBF
• Description: IC CTRLR SW SYNC DUAL 2PH 24QFN
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3736EUF-2#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 550kHz ~ 750kHz
• Voltage - Input: 2.75 ~ 9.8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

TYPICAL APPLICATIONS
3.3V
10μF
22μF
V
V
5V
C
C
IN
IN
IN
IN
2
1000pF
C
C
100pF
220pF
10nF
100pF
10nF
C
C
C
C
C
C
1μF
1μF
ITH1A
ITH1A
R
R
R
R
VIN
VIN
ITH1
SS
ITH1
SS
59k
59k
59k
59k
FB1A
FB2A
FB1A
FB2A
Figures 15. 2-Phase, 550kHz, Dual Output Synchronous DC/DC Converter
Figures 16. 2-Phase, 750kHz, Dual Output Synchronous DC/DC Converter
R
R
1000pF
C
220pF
100pF
C
100pF
C
C
VIN
VIN
ITH2B
ITH2A
R
ITH2
R
ITH2
15k
22k
ITH1
ITH1
10Ω
10Ω
R
R
187k
187k
22pF
C
FB1B
R
FB1B
R
R
FF1
R
15k
22k
ITH2
TRACKA
ITH2
TRACKA
59k
59k
22
23
24
22
23
24
R
R
118k
1
2
3
4
5
9
7
8
6
1
2
3
4
5
9
7
8
6
118k
FB2B
FB2B
SW1
IPRG1
V
I
IPRG2
PLLLPF
SGND
V
PGOOD
V
I
TRACK
SW1
IPRG1
V
I
IPRG2
PLLLPF
SGND
V
PGOOD
V
I
TRACK
TH1
TH2
TH1
TH2
FB1
IN
FB2
FB1
IN
FB2
LTC3736EUF-2
LTC3736EUF-2
R
R
TRACKB
TRACKB
118k
118k
PGND
PGND
SYNC/FCB
SYNC/FCB
SENSE1
SENSE2
SENSE1
SENSE2
25
25
RUN/SS
RUN/SS
PGND
PGND
PGND
PGND
PGND
PGND
SW2
SW2
BG1
TG1
TG2
BG2
BG1
BG2
TG1
TG2
+
+
+
+
21
20
19
18
17
16
15
14
13
12
11
10
21
20
19
18
17
16
15
14
13
12
11
10
Si3447BDV
Si3447BDV
L1, L2: VISHAY IHLP-2525CZ-01
D1, D2: OPTIONAL
MP1
MP2
MP1
MP2
MN1
Si7540DP
MN2
Si7540DP
MN1
Si3460DV
MN2
Si3460DV
D2
D1
1.5μH
1.5μH
1.5μH
1.5μH
L1
L2
L1
L2
+
+
37362 F16
C
150μF
37362 F15
C
47μF
C
150μF
C
47μF
OUT2
OUT2
2
OUT1
OUT1
2
V
2.5V
6A
V
1.8V
6A
V
2.5V
4A
V
1.8V
4A
OUT1
OUT2
OUT1
OUT2
LTC3736-2
25
37362fb