DC1185A-A

QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 1185
DUAL PHASE/DUAL OUTPUT SYNCHRONOUS BUCK CONVERTER
7
2.0V / 10A and 1.8V / 10A efficiency at
Vin = 12V and Fsw = 500kHz
70%
75%
80%
85%
90%
95%
0 2 4 6 8 10 12
Load current (Amps)
Efficiency
2.0V
1.8V
Qtop = Si4420BDY
Qbottom = Si4630DY
No schottky
L = Toko FDU0650 0.56uH
Rsense = 3m
Figure 3.
Efficiency Curves for the DC1185A-A.
1.5V / 15A and 1.2V / 15A efficiency at
Vin = 12V and Fsw = 400kHz
70%
75%
80%
85%
90%
95%
0 3 6 9 12 15 18
Load current (Amps)
Efficiency
1.5V
1.2V
Qtop = RJK0305DPB
Qbottom = RJK0301DPB
No schottky
L = Vitec 59PR9875 (0.4uH)
Rsense = 2m
Figure 4.
Efficiency Curves for the DC1185A-B.
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 1185
DUAL PHASE/DUAL OUTPUT SYNCHRONOUS BUCK CONVERTER
8

DC1185A-A

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Power Management IC Development Tools LTC3850EUF Demo Board 4.5V = VIN = 14V; VOUT1: 2V @ 10A, VOUT2: 1.8V @ 10A
Lifecycle:
New from this manufacturer.
Delivery:
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