RT9206 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT9206 Datasheet PDF : 21 Pages
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RT9206
Parameter
PWM Section Reference Voltage
Feedback Voltage
Internal Voltage
Internal Voltage Source Current
PWM Section
Oscillator
Free Run Frequency
Operation Frequency Setting
Ramp Amplitude
Maximum Duty Cycle
Error Amplifier
GM
Compensation Source Current
Compensation Sink Current
Gate Driver
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
Protection
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
Symbol
Test Condition
Min Typ Max Units
VFB
VINT
IINT
IINT = 10mA
VIN = 12V
0.784 0.8 0.816 V
5.0
6
6.5
V
20
--
-- mA
FOSC
FOSC
By setting RT (Note 5)
160 200 240 kHz
-30
--
+30 %
--
1.9
--
V
85
90
--
%
--
1.6
--
ms
45
90 140 µA
45
90 140 µA
RUGATE
RUGATE
RLGATE
RLGATE
TR_UGATE
TF_UGATE
TR_LGATE
TF_LGATE
--
--
--
--
VDD = 12V, CLOAD = 3nF --
VDD = 12V, CLOAD = 3nF --
VDD = 12V, CLOAD = 3nF --
VDD = 12V, CLOAD = 3nF --
--
5
8
Ω
5
8
Ω
3
5
Ω
1.5
3
Ω
30
--
ns
30
--
ns
30
--
ns
30
--
ns
--
400 ns
VFB
VFB
-270 -300 -330 mV
0.9
1
1.1
V
0.54 0.6 0.66 V
LFB1 / LFB2
LDRV1/LDRV2
LFB1 / LFB2
0.780 0.8 0.824 V
10
--
-- mA
0.54 0.6 0.66 V
125 170
--
°C
DS9206-11 March 2007
www.richtek.com
7
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