rt9214 Richtek Technology Corporation, rt9214 Datasheet - Page 5

• Manufacturer Part Number: rt9214
• Description: 5v/12v Synchronous Buck Dc-dc Controller
• 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.
Note 4. θ
DS9214-02
E/A Transconductance
Open Loop DC Gain
PWM Controller Gate Drivers (V
Upper Gate Source
Upper Gate Sink
Lower Gate Source
Lower Gate Sink
Dead Time
Protection
FB Under-Voltage Trip
OC Current Source
Soft-Start Interval
Error Amplifier (GM)
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.
JA
is measured in the natural convection at T
Parameter
December 2004
CC
g
A
R
I
R
T
∆
I
T
I
Symbol
LGATE
OC
UGATE
m
= 12V)
DT
SS
O
UGATE
LGATE
FBUVT
V
V
V
V
V
V
FB Falling
V
BOOT
UGATE
BOOT
UGATE
CC
CC
PHASE
= 12V, V
= 12V, V
− V
− V
A
− V
− V
= 0V
= 25°C on a low effective thermal conductivity test board of
Test Conditions
PHASE
PHASE
PHASE
PHASE
LGATE
LGATE
= 12V,
= 12V,
= 6V
= 1V
= 6V
= 1V
Min
300
300
70
35
--
--
--
--
--
--
Typ
500
500
0.7
3.5
90
75
40
--
4
3
www.richtek.com
RT9214
Max
100
80
45
--
--
--
--
--
8
5
Units
mA
mA
ms
ms
dB
µA
ns
%
Ω
Ω
5