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RT8805C Datasheet(PDF) 3 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) 3 Page - Richtek Technology Corporation

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RT8805C
Preliminary
3
DS8805C-03 August 2007
www.richtek.com
Figure B. Application Circuit for RT8805CxQVA (VQFN-24L 4x4)-Standalone Mode (PI Disabled)
Figure C. Application Circuit for RT8805CxQVA (VQFN-24L 4x4)-Tracking Mode (PI Enabled)
BOOT1
UGATE1
PHASE1
LGATE1
VCC
RT
IMAX
RT8805CxQVA
3
21
22
7
4
23
1
2
BOOT2
UGATE2
LGATE2
PGOOD
VIN
19
18
17
VOUT
13
12
AGND
COMP
SS
PHASE2
12VCC
5
20
EN
GND
16
14
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
PI
15
11
BOOT1
UGATE1
PHASE1
LGATE1
VCC
RT
IMAX
RT8805CxQVA
3
21
22
7
4
23
1
2
BOOT2
UGATE2
LGATE2
PGOOD
VIN
19
18
17
VOUT
13
12
AGND
COMP
SS
PHASE2
12VCC
5
20
EN
GND
16
14
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
PI
15
11
R10



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