LTC3736EGN-1#TR Linear Technology, LTC3736EGN-1#TR Datasheet - Page 24

• Manufacturer Part Number: LTC3736EGN-1#TR
• Description: IC CTRLR SW SYNC DUAL 2PH 24SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3736EGN-1#TR

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 450kHz ~ 580kHz
• Voltage - Input: 2.75 ~ 9.8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC3736-1
TYPICAL APPLICATIO S
24
100
90
80
70
60
50
40
30
20
10
0
1
Efficiency vs Load Current
Figure 14. 2-Phase, Spread Spectrum, Dual Output Synchronous DC/DC Converter with Ceramic Output Capacitors
10
LOAD CURRENT (mA)
3.3V
22µF
V
C
IN
IN
100
R
1000
470pF
10nF
VIN
C
C
V
V
1µF
C
R
ITH1
VIN
SS
OUT
OUT
59k
FB2A
10Ω
C
470pF
= 2.5V
= 1.8V
C
47pF
37361 F14b
ITH2A
R
ITH2
22k
ITH1
C
10000
U
R
47pF
ITH1A
59k
FB1A
2200pF
R
R
22k
ITH2
TRACKA
590Ω
AC-COUPLED
100mV/DIV
1A/DIV
R
187k
V
FB1B
22
23
24
R
OUT
1
2
3
4
5
9
7
8
6
118k
FB2B
I
L
Load Step
SW1
IPRG1
V
I
IPRG2
FREQ
SGND
V
PGOOD
V
I
TRACK
TH1
TH2
V
I
FB1
IN
FB2
LOAD
OUT
68pF
LTC3736EUF-1
R
100pF
TRACKB
1.18k
= 2.5V
PGND
= 100mA TO 1A
SENSE1
SENSE2
25
RUN/SS
SSDIS
PGND
PGND
PGND
SW2
BG1
BG2
TG1
TG2
+
+
100µs/DIV
21
20
19
18
17
16
15
14
13
12
11
10
L1, L2: VISHAY IHLP-2525CZ-01
C
OUT1
MP1
MP2
, C
OUT2
37361 F14c
: MURATA GRM32EROJ107M
MN1
Si7540DP
MN2
Si7540DP
AC-COUPLED
50mV/DIV
1A/DIV
V
OUT
1.5µH
1.5µH
I
L
L1
L2
Load Step
V
I
LOAD
OUT
= 1.8V
= 100mA TO 1A
C
100µF
37361 F14
C
100µF
OUT2
OUT1
100µs/DIV
V
2.5V
2A
V
1.8V
2A
OUT1
OUT2
37361 F14d
37361f