LTC1772 Linear Technology, LTC1772 Datasheet - Page 13
LTC1772
Manufacturer Part Number
LTC1772
Description
Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23
Manufacturer
Linear Technology
Datasheet
1.LTC1772.pdf
(16 pages)
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Company:
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Linear Technology
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Part Number:
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LT
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Part Number:
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LINEAR
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Part Number:
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Manufacturer:
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TYPICAL APPLICATIONS
C1: AVXTPSE476M016R0047
C2: AVXTPSE107M010R0100
D1: MOTOROLA M516
R4
10k
C3
220pF
U
3.3V
V
1
2
3
IN
I
GND
V
TH
FB
/RUN
LTC1772
LTC1772 3.3V to 5V/1A Boost Regulator
SENSE
PGATE
L1: MURATA LQN6C-4R7
M1: Si9804DY
R1: DALE 0.25W
C1
47 F
16V
V
2
IN
–
6
5
4
2
U1
0.033
R1
3
5
4
U1: FAIRCHILD NC7SZ04
M1
L1
4.7 H
D1
+
C2
100 F
10V
2
R2
420k
R3
80k
1772 TA03
V
5V
1A
OUT
LTC1772
13
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