LTC3736EUF Linear Technology, LTC3736EUF Datasheet - Page 26

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

Specifications of LTC3736EUF

• 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: Contains lead / RoHS non-compliant
• Power - Output: -

LTC3736
TYPICAL APPLICATIO
26
2-Phase, 550kHz, Dual Output Synchronous DC/DC Converter with Different Power Stage Input Supplies
V
10µF
IN1
5V
C
×2
IN
C
100pF
220pF
10nF
C
C
C
100pF
C
1µF
ITH1A
R
R
VIN
ITH2B
ITH1
SS
59k
59k
FB1A
FB2A
R
220pF
C
VIN
R
ITH2
15k
ITH1
U
10Ω
R
187k
FB1B
R
R
15k
ITH2
TRACKA
59k
22
23
24
R
118k
1
2
3
4
5
9
7
8
6
FB2B
SW1
IPRG1
V
I
IPRG2
PLLLPF
SGND
V
PGOOD
V
I
TRACK
TH1
TH2
FB1
IN
FB2
LTC3736EUF
R
TRACKB
118k
PGND
SYNC/FCB
SENSE1
SENSE2
25
RUN/SS
PGND
PGND
PGND
SW2
BG1
TG1
TG2
BG2
+
+
21
20
19
18
17
16
15
14
13
12
11
10
V
3.3V
IN2
MP1
MP2
V
V
IN1
IN2
≥ V
≥ 2.5V
IN2
MN1
Si7540DP
MN2
Si7540DP
C
L1, L2: VISHAY IHLP-2525CZ-01
OUT1
, C
1.5µH
1.5µH
OUT2
L1
L2
: SANYO 4TPB150MC
+
+
C
150µF
3736 TA03
C
150µF
OUT2
OUT1
V
2.5V
5A
V
1.8V
4A
OUT1
OUT2
3736fa