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RT8805C Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT8805C
Description  Two Phase General Purpose PWM Controller
PDF  18 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8805C Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT8805C
Preliminary
2
DS8805C-03 August 2007
www.richtek.com
Typical Application Circuit
Pin Configurations
(TOP VIEW)
VQFN-24L 4x4
VQFN-16L 3x3
Figure A. Application Circuit for RT8805CxQV (VQFN-16L 3x3)
BOOT1
UGATE1
PHASE1
LGATE1
VCC
RT
IMAX
RT8805CxQV
2
14
5
3
15
16
1
BOOT2
UGATE2
LGATE2
PGOOD
VIN
12
11
10
VOUT
7
6
AGND
COMP
SS
PHASE2
12VCC
4
13
EN
GND
9
8
FB
R1
R2
R3
R4
R5
C1
C2
C3
C4
C5
C6
C7
C8
L1
L2
Q1
Q2
Q3
Q4
3.3VCC
R8
Q5
R9
C9
RPHASE2
RPHASE1
CPHASE2
CPHASE1
R
C
RBOOT1
RUGATE1
RBOOT2
RUGATE2
UGATE1
PHASE2
PGOOD
BOOT2
UGATE2
IMAX
AGND
BOOT1
12
11
10
9
13
14
15
16
1
2
3
4
8
7
6
5
GND
17
PHASE1
UGATE1
BOOT1
AGND
IMAX
NC
UGATE2
BOOT2
PGOOD
PI
FB
COMP
1
2
3
4
5
6
7
21
20
19
18
17
16
15
89
10
12
14
13
24
22
23
11
GND
25



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