RT9206GS Richtek USA Inc, RT9206GS Datasheet - Page 7

• 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

DS9206-12 April 2008
PWM Section Reference Voltage
Feedback Voltage
Internal Voltage
Internal Voltage Source Current
Free Run Frequency
Operation Frequency Setting
Ramp Amplitude
Maximum Duty Cycle
GM
Compensation Source Current
Compensation Sink Current
Upper Gate Source (UGATE1 & 2)
Upper Gate Sink (UGATE1 & 2)
Lower Gate Source (LGATE1 & 2)
Lower Gate Sink (LGATE1 & 2)
Upper Gate Rising Time
Upper Gate Falling Time
Lower Gate Rising Time
Lower Gate Falling Time
Minimum On Time
Over Current Threshold
Over Voltage Protection
Under Voltage Protection
Linear Controller Section
Error Amplifier
Feedback Voltage
Output Current
Protection
Under Voltage Protection
Over Temperature Protection
Protection
PWM Section
Oscillator
Error Amplifier
Gate Driver
Parameter
V
V
I
F
F
R
R
R
R
T
T
T
T
VFB
VFB
LFB1 / LFB2
LDRV1 / LDRV2
LFB1 / LFB2
INT
FB
INT
OSC
OSC
R_UGATE
F_UGATE
R_LGATE
F_LGATE
UGATE
UGATE
LGATE
LGATE
Symbol
I
V
By setting RT
V
V
V
V
INT
IN
DD
DD
DD
DD
= 12V
= 10mA
Test Condition
= 12V, C
= 12V, C
= 12V, C
= 12V, C
LOAD
LOAD
LOAD
LOAD
(Note 5)
= 3nF
= 3nF
= 3nF
= 3nF
0.784
0.780
−270
0.54
0.54
Min
160
−30
125
5.0
0.9
20
85
45
45
10
--
--
--
--
--
--
--
--
--
--
--
−300
Typ
200
170
0.8
1.9
1.6
1.5
0.6
0.8
0.6
90
90
90
30
30
30
30
--
--
--
--
6
5
5
3
1
RT9206
www.richtek.com
0.816
0.824
−330
Max
0.66
0.66
240
140
140
400
6.5
1.1
30
--
--
--
--
--
--
--
--
--
--
8
8
5
3
Unit
kHz
mA
mV
mA
ms
μA
μA
°C
ns
ns
ns
ns
ns
%
%
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
7