rt9230 ETC-unknow, rt9230 Datasheet - Page 3

• Manufacturer Part Number: rt9230
• Description: 1.5v Advanced Dual Pwm And Dual Linear Power Controller
• Manufacturer: ETC-unknow

DS9230-03 July 2001
1.5V and 1.8V Linear Regulators (V
DAC and Standard Buck Regulator Reference
DAC (VID0 ~ VID4) Input Low Voltage
DAC (VID0 ~ VID4) Input High Voltage
DACOUT Voltage Accuracy
DACOUT Voltage Accuracy
AGP PWM Reference Voltage
AGP PWM Reference Voltage
AGP PWM Reference Voltage Tolerance
Regulation
VSEN3 Under-voltage Level
VSEN3 Under-voltage Hysteresis
VSEN4 Under-voltage Level
VSEN4 Under-voltage Hysteresis
Output Drive Current
DC Gain
UGATE 1 (and 2) Source
UGATE 1 (and 2) Sink
LGATE Source
LGATE Sink
VSEN1 Over-voltage (VSEN1/DACOUT)
FAULT Sourcing Current
OCSET1, 2 Current Source
Soft-start Current
Power Good
V
V
V
PGOOD Voltage Low
Synchronous PWM Controller Error Amplifier
PWM Controller Gate Driver
Protection
OUT1
OUT1
OUT1
Upper Threshold
Under Voltage
Hysteresis (VSEN1/DACOUT)
Parameter
OUT3
Symbol
and V
R
R
I
R
I
I
V
LGATE1
OCSET
SS
PGOOD
UGATE
UGATE
LGATE1
OUT4
VSEN1 Rising
V
V
DACOUT = 2.05 ~ 3.50V
DACOUT = 1.30 ~ 2.00V
SELECT < 0.8V
SELECT > 2.0V
VSEN3 Falling
VSEN4 Falling
VAUX = 5V
VSEN3 Rising
VSEN4 Rising
VCC = 12V, VCC-V
V
VCC = 12V, V
V
VSEN1 Rising
VSEN1 Rising
Upper/Lower Threshold
I
PGOOD
)
FAULT/RT
OCSET
UGATE
LGATE1
Test Conditions
= -4mA
= 4.5V
= 1V
= 1V
= 2.0V
LGATE1
UGATE
= 2V
= 1V
Min
-1%
-2.5
112
170
108
20
10
87
-1
-3
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2
1.125
1.350
www.richtek-ic.com.tw
Typ
100
100
115
200
1.5
3.3
40
65
14
28
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4
3
1
2
2
RT9230
20mV
Max
120
230
112
2.5
0.5
0.8
95
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1
3
7
7
6
Units
mV
mV
mA
mA
µA
µA
dB
%
%
%
%
%
%
%
Ω
Ω
Ω
V
V
--
V
V
V
V
A
V
3