LTC3736-2 Datasheet, PDF (26/28 Pages) Linear Technology – Dual 2-Phase, No RSENSE Synchronous Controller with Output Tracking

LTC3736-2
TYPICAL APPLICATIO S
C_FF1
100pF
V_IN
3.3V
C_IN
22µF
R_FB1A
59k
R_FB1B
187k
C_ITH1
1nF
C_LP
10nF
R_ITH1
22k
R_LP
15k
R_VIN 10Ω
C_ITH2
C_{VIN 1nF}
1µF
R_ITH2
22k
1
SW1
SENSE1^{+ 24}
2
3
4
5
6
IPRG1
PGND
V_FB1
BG1
I_TH1 SYNC/FCB
IPRG2
TG1
PLLLPF PGND
23
22
21
20
19
7 _SGND
TG2 ¹⁸
5 ^LTC3736EGN-2 17
V_IN
RUN/SS
16
12
10
11
9
PGOOD
V_FB2
I_TH2
TRACK
BG2
PGND
SENSE2⁺
SW2
15
14
13
R_FB2A
59k
R_TRACKA RFB2B R_TRACKB
59k 118k 118k
C_FF1
100pF
CLK IN
MP1
L1
SW1 ^1.5µH
MN1
Si7540DP
MN2
Si7540DP
MP2
SW2 _L2
1.5µH
L1, L2: VISHAY IHLP-2525CZ-01
V_OUT1
2.5V
5A
C_OUT1
100µF
C_OUT2
100µF _VOUT2
1.8V
5A
37362 F17
Figure 17. 2-Phase, Synchronizable, Dual Output Synchronous DC/DC Converter
37362fa
26