ltc3850gn-2 Linear Technology Corporation, ltc3850gn-2 Datasheet - Page 18

• Manufacturer Part Number: ltc3850gn-2
• Description: Dual, 2-phase Synchronous Step-down Switching Controller
• Manufacturer: Linear Technology Corporation

APPLICATIONS INFORMATION
LTC3850-2
18
TK/SS2
V
OUT1
(5a) Coincident Tracking
PIN
TO
(6a) Coincident Tracking Setup
TIME
R3
R4
R1
R2
Figure 5. Two Different Modes of Output Voltage Tracking
Figure 6. Setup for Coincident and Ratiometric Tracking
TO
V
PIN
FB1
Figure 7. Equivalent Input Circuit of Error Amplifi er
TK/SS2
38502 F03a
0.8V
V
FB2
V
V
V
PIN
OUT1
OUT2
FB2
TO
D1
R3
R4
I
D2
38502 F07
V
OUT2
I
D3
+
–
EA2
V
TK/SS2
OUT1
PIN
(6b) Ratiometric Tracking Setup
TO
R1
R2
(5b) Ratiometric Tracking
TO
V
PIN
FB1
V
TIME
PIN
FB2
TO
R3
R4
38502 F06
V
OUT2
38502 F03b
V
V
OUT1
OUT2
38502f