RT8206A Просмотр технического описания (PDF) - Richtek Technology
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производитель
RT8206A Datasheet PDF : 26 Pages
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RT8206A/B
Pin Configurations
(TOP VIEW)
REF
TON
VCC
ENLDO
NC
VIN
LDO
NC
32 31 30 29 28 27 26 25
1
24 BOOT2
2
23 LGATE2
3
22 PGND
4
21 GND
GND
5
20 SECFB
6
19 PVCC
7
33
18 LGATE1
8
17 BOOT1
9 10 11 12 13 14 15 16
REF
TON
VCC
ENLDO
NC
VIN
LDO
NC
32 31 30 29 28 27 26 25
1
24 BOOT2
2
23 LGATE2
3
22 PGND
4
21 GND
GND
5
20 NC
6
19 PVCC
7
33
18 LGATE1
8
17 BOOT1
9 10 11 12 13 14 15 16
WQFN-32L 5x5
RT8206A
WQFN-32L 5x5
RT8206B
Typical Application Circuit
VOUT1
5V
C3
220µF
C1
10µF
L1
6.8µH
R5
C4
C6
0.1µF
D2
C8
D4
0.1µF
CP
R14
3.9
RT8206A/B
6 VIN
UGATE2 26
R9
0
Q2
C18
0.1µF
BOOT2 24 R8 0
Q1
R4 0
15 UGATE1
PHASE2 25
R3 0
17 BOOT1
LGATE2 23
C11
0.1µF
Q4
C2
0.1µF
Q3
D1
C5
0.1µF
16 PHASE1
18 LGATE1
9 BYP
10 VOUT1
PGND 22
VOUT2 30
REF 1
PGOOD1 13
PGOOD2 28
C15
0.22µF
R6
100k
R13
100k
D3
C7
0.1µF
3 VCC
C9
1µF
R11
200k
C19
R7 0
C10
4.7µF
R12
39k
C16
1µF
20 SECFB/NC
11 FB1
32 FB2
19 PVCC
7 LDO
EN1 14 5V Enable
EN2 27 3.3V Enable
ENLDO 4
ILIM1 12
ILIM2 31
LDO Control
R1
180k
R2
180k
TON 2
29
SKIP
Frequency Control
PWM/DEM/Ultrasonic
GND 21, 33 (Exposed Pad)
C13
10µF
C12
10µF
VIN
6V to 25V
L2
4.7µH
R10
C14
VOUT2
3.3V
C17
220µF
PVCC
PVCC
ON
OFF
VIN
Figure 1. Fixed Voltage Regulator
www.richtek.com
2
DS8206A/B-06 August 2011
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