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RT9230 Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers

Part No. RT9230
Description  1.5V ADVANCED DUAL PWM AND DUAL LINEAR POWER CONTROLLER
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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RT9230 Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers

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RT9230
DS9230-03 July 2001
www.richtek-ic.com.tw
3
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
DAC and Standard Buck Regulator Reference
DAC (VID0 ~ VID4) Input Low Voltage
--
--
0.8
V
DAC (VID0 ~ VID4) Input High Voltage
2
--
--
V
DACOUT Voltage Accuracy
DACOUT = 2.05 ~ 3.50V
-1
--
1
%
DACOUT Voltage Accuracy
DACOUT = 1.30 ~ 2.00V
-1%
--
20mV
--
AGP PWM Reference Voltage
SELECT
< 0.8V
--
1.5
--
V
AGP PWM Reference Voltage
SELECT
> 2.0V
--
3.3
--
V
AGP PWM Reference Voltage Tolerance
-2.5
--
2.5
%
1.5V and 1.8V Linear Regulators (VOUT3 and VOUT4)
Regulation
-3
--
3
%
VSEN3 Under-voltage Level
VSEN3 Rising
--
1.125
--
V
VSEN3 Under-voltage Hysteresis
VSEN3 Falling
--
100
--
mV
VSEN4 Under-voltage Level
VSEN4 Rising
--
1.350
--
V
VSEN4 Under-voltage Hysteresis
VSEN4 Falling
--
100
--
mV
Output Drive Current
VAUX = 5V
20
40
--
mA
Synchronous PWM Controller Error Amplifier
DC Gain
--
65
--
dB
PWM Controller Gate Driver
UGATE 1 (and 2) Source
RUGATE VCC = 12V, VCC-VUGATE = 1V
--
4
7
UGATE 1 (and 2) Sink
RUGATE VUGATE = 1V
--
3
7
LGATE Source
ILGATE1 VCC = 12V, VLGATE1 = 2V
--
1
--
A
LGATE Sink
RLGATE1 VLGATE1 = 1V
--
2
6
Protection
VSEN1 Over-voltage (VSEN1/DACOUT)
VSEN1 Rising
112
115
120
%
FAULT Sourcing Current
VFAULT/RT = 2.0V
10
14
--
mA
OCSET1, 2 Current Source
IOCSET
VOCSET = 4.5V
170
200
230
µA
Soft-start Current
ISS
--
28
--
µA
Power Good
VOUT1 Upper Threshold
VSEN1 Rising
108
--
112
%
VOUT1 Under Voltage
VSEN1 Rising
87
--
95
%
VOUT1 Hysteresis (VSEN1/DACOUT)
Upper/Lower Threshold
--
2
--
%
PGOOD Voltage Low
VPGOOD IPGOOD = -4mA
--
--
0.5
V


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