rt9210 Richtek Technology Corporation, rt9210 Datasheet - Page 7

• Manufacturer Part Number: rt9210
• Description: Dual Synchronous Buck Dc-dc Controller Memory Vddq Termination
• Manufacturer: Richtek Technology Corporation

Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
Note 2. Devices are ESD sensitive. Handling precaution recommended.
Note 3. The device is not guaranteed to function outside its operating conditions.
DS9210-05 March 2007
Window Regulator
Load Current
Output Voltage Error
PWM Controller Gate Drivers
Upper Gate Source (UGATE1 and 2)
Upper Gate Sink (UGATE1 and 2)
Lower Gate Source (LGATE1 and 2)
Lower Gate Sink (LGATE1 and 2)
Upper Gate Rising Time (UGATE1 and 2) T
Upper Gate Falling Time (UGATE1 and 2) T
Lower Gate Rising Time (LGATE1 and 2) T
Lower Gate Falling Time (LGATE1 and 2) T
Dead Time
Protection
FB1 Over-Voltage Trip
FB1 Under-Voltage Trip
OCSET/SD Current Source
OCP Blocking Time
Soft-Start Interval
Power Good
Upper Threshold
Lower Threshold
OCSET/SD
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
Logic-Low Voltage
Logic-High Voltage
Parameter
I
ΔV
R
R
R
R
T
ΔFB
ΔFB
I
T
V
V
V
V
Symbol
LOAD
OCSET
R_UGATE
F_UGATE
R_LGATE
F_LGATE
DT
SS
PGOOD+
PGOOD-
UGATE
UGATE
LGATE
LGATE
IL
IH
OUT
1OVT
1UVT
Preliminary
Shutdown
Enable
V2_SD = V
±10mA load on V2
BOOT = 10V
BOOT − V
V
V
V
C
C
C
C
FB1 Rising
FB1 Falling
V
FB1 & Sense2 Rising
FB1 & Sense2 Rising
UGATE
CC
LGATE
OCSET/ SD
Load
Load
Load
Load
Test Conditions
− V
= 3.3nF
= 3.3nF
= 3.3nF
= 3.3nF
= 1V
LGATE
= 1V
UGATE
CC
= 4.5V
,
= 1V
= 1V
Min
125
110
2.0
34
80
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
137.5
62.5
Typ
±10
320
115
± 7
70
50
50
32
40
85
--
--
--
7
5
4
2
4
RT9210
www.richtek.com
Max
100
540
120
0.2
75
46
90
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--
--
--
--
--
--
--
--
--
--
--
--
Units
mA
μA
ms
ns
ns
ns
ns
ns
ns
%
%
%
%
%
Ω
Ω
Ω
Ω
V
7