rt9229 ETC-unknow, rt9229 Datasheet - Page 3

• Manufacturer Part Number: rt9229
• Description: Advaced Dual Dual Linear Power Controller
• Manufacturer: ETC-unknow

DS9229-03 July 2001
Free Running Frequency
Ramp Amplitude
Regulation
Under-voltage Level
Under-voltage Hysteresis
Over-current Protection
Regulation
Under-voltage Level
Under-voltage Hysteresis
Output Drive Current
DC Gain
UGATE 1 (and 2) Source
UGATE 1 (and 2) Sink
LGATE Source
LGATE Sink
V
V
FAULT Souring Current
OCSET1 (and 2) Current Source
Soft-start Current
V
V
V
PGOOD Voltage Low
Oscillator
PWM Controller Error Amplifier
Power Good
Linear Regulator
Over-current Protection During Start-
up
PWM Controller Gate Driver
Protection
Linear Controller
OUT1
OUT2
OUT1
OUT1
OUT1
Over-voltage Trip
Over-voltage Trip
Upper Threshold
Under Voltage
Hysteresis (VSEN1/DACOUT)
Parameter
R
R
I
R
I
I
V
Symbol
∆V
I
LGATE1
OCSET
SS
OVP
PGOOD
UGATE
UGATE
LGATE1
OSC
10mA < I
FB4 Rising
VSEN3 = GATE3
0 < I
FB3 Rising
VIN2 – VOUT3 > 1.5V
VCC = 12V
VCC - V
V
VCC = 12V, V
V
VSEN1 Rising
VSEN2 Rising
V
V
V
VSEN1 Rising
VSEN1 Rising
Upper/Lower Threshold
I
PGOOD
UGATE
LGATE1
FAULT
OCSET
SS
GATE3
= 1V
Test Conditions
= 8V
= -4mA
= 1V
= 4.5V
UGATE
= 1V
VOUT2
< 20mA
LGATE1
DC
= 1V
< 150mA
= 2V
Min
-2.5
-2.5
180
180
112
170
108
4.1
20
10
90
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Typ
200
100
230
700
100
115
200
1.9
4.3
75
75
40
65
14
11
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2
3
3
1
2
www.richtek-ic.com.tw
RT9229
Max
225
118
230
112
4.5
2.5
2.5
0.5
87
87
94
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7
7
6
Units
V
kHz
mV
mA
mA
mV
mA
mA
µA
µA
dB
%
%
%
%
%
%
%
%
P-P
Ω
Ω
Ω
A
V
V
3