RT9206GS Richtek USA Inc, RT9206GS Datasheet - Page 2

• Manufacturer Part Number: RT9206GS
• Description: IC CTRLR DUAL SYNC BUCK 16SOP
• Manufacturer: Richtek USA Inc

Specifications of RT9206GS

• Topology: Step-Down (Buck) Synchronous (1), Linear (LDO) (2)
• Function: Any Function
• Number Of Outputs: 3
• Frequency - Switching: 200kHz ~ 600kHz
• Voltage/current - Output 1: Controller
• Voltage/current - Output 2: Controller
• Voltage/current - Output 3: Controller
• W/led Driver: No
• W/supervisor: No
• W/sequencer: No
• Voltage - Supply: 4.75 V ~ 28 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Application Circuit
V
RT9206
V
www.richtek.com
2
3.3V
V
OUT2
V
OUT1
Note : R
3.3V
OUT2
OUT1
10µF
C6
10µF
C6
BOOT
10µF
C7
is a must to suppress ringing spike.
2.5V
10µF
V
C7
2.5V
OUT3
V
OUT3
R11
5.6k
Q4
5.6k
Q4
R11
33nF
C14
Q3
4.3K
R12
33nF
C14
8.2K
Q3
R12
C16 500pF
C16 500pF
R3 11k
390pF
C13
220pF
C13
R3 11k
Figure 1. Typical Application for 12V Input
Figure 2. Typical Application for 24V Input
1µF
C1
R10
51k
PGOOD
1µF
C1
R10
51k
PGOOD
1
2
3
4
5
6
7
8
4.7µF
C
R1 10
1µF
C
1
2
3
4
5
6
7
8
LDRV1
VDD
LDRV2
LFB2
COMP
FB
PGOOD
SS/EN
SS
R1 10
SS
LDRV1
VDD
LDRV2
LFB2
COMP
FB
PGOOD
SS/EN
C15 500pF
R2 11k
RT9206
C15 500pF
R2 11k
Q5
RT9206
Q5
UGATE
LGATE
BOOT
UGATE
LGATE
LFB1
VINT
GND
PHS
BOOT
EN
LFB1
VINT
GND
RT
EN
PHS
RT
16
15
14
13
12
11
10
9
16
15
14
13
12
11
10
9
15
D1
0
15
D1
R
R14
1N4148
C8
R
0
3.3k
R13
0
R14
BOOT
R4
R
C8
RT
1N4148
3.3k
R
R13
0
R4
BOOT
RT
4.7µF
4.7µF
1µF
C9
C9
1µF
1µF
Q1
Si4800BDY
Q2
C2
1µF
Q1
Q2
C2
Si4800BDY
4.7uH
L1
33µH
L1
DS9206-12 April 2008
1000µF
1000µF
C10
C10
560
220µF
R8
R9
3k
220µF
C3
1000µF
C3
C17
560
R8
R9
3k
C11
1µF
C11
1µF
V
12V
V
V
OUT1
5V
24V
IN
OUT1
V
5V
IN