RT9259APS RICHTEK [Richtek Technology Corporation], RT9259APS Datasheet - Page 6

• Manufacturer Part Number: RT9259APS
• Description: 12V Synchronous Buck PWM DC-DC and Linear Power Controller
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9259A
Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
Note 2. The device is not guaranteed to function outside its operating conditions.
Note 3. θ
Note 4. θ
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6
Reference Voltage
Gate Driver
PWM Error Amplifier Reference
Linear Driver Reference
V
Error Amplifier
DC Gain
Gain-Bandwidth Product
Slew Rate
Under Voltage Protection
Soft-Start Time Interval
Over Current Threshold
RT_DIS Shutdown Threshold
Output High Voltage
Output Low Voltage
Source Current
Sink Current
Upper Drive Source
Upper Drive Sink
Lower Drive Source
Lower Drive Sink
Protection
Linear Regulator
REF
Buffer Source Current
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.
JEDEC 51-3 thermal measurement standard.
of JEDEC 51-7 thermal measurement standard.
JA
JA
is measured in the natural convection at T
Parameter
is measured in the natural convection at T
V
V
GBW
SR
V
T
V
V
I
I
R
R
R
R
DRVSR
DRVSC
Symbol
REF1
REF2
UVP
SS
DRV
DRV
UGATE
UGATE
LGATE
LGATE
V
V
V
V
V
A
C
R
BOOT
BOOT
UGATE
CC
LGATE
= 25°C on a high effective 4-layers 2S2P thermal conductivity test board
LOAD
OCSET
– V
A
− V
− V
= 25°C on a low effective thermal conductivity test board of
Test Conditions
= 5pF
LGATE
= 1V
= 1V
= 20k
PHASE
UGATE
= 1V
Ω
= 12V,
= 1V
0.792
0.784
0.36
0.35
Min
9.5
0.5
70
--
--
--
--
--
5
6
3
2
2
--
DS9259A-02 March 2007
−400
10.3
Typ
0.8
0.8
0.4
0.1
0.4
88
15
--
--
--
6
4
4
2
3
4
0.808
0.816
Max
0.45
--
--
--
--
--
--
--
--
--
8
6
4
4
1
8
Units
MHz
V/us
mA
mV
mA
mA
ms
dB
V
V
V
V
V
V
Ω
Ω
Ω
Ω