RT9214GSP RICHTEK [Richtek Technology Corporation], RT9214GSP Datasheet - Page 5

• Manufacturer Part Number: RT9214GSP
• Description: 5V/12V Synchronous Buck PWM DC-DC Controller
• Manufacturer: RICHTEK [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
DS9214-13
Oscillator
Free Running Frequency
Ramp Amplitude
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
September 2007
CC
f
ΔV
g
A
R
I
R
T
Δ
I
T
I
Symbol
LGATE
OC
OSC
UGATE
m
= 12V)
DT
SS
O
UGATE
LGATE
FBUVT
OSC
V
V
V
V
V
V
V
V
FB Falling
V
CC
CC
BOOT
UGATE
BOOT
UGATE
CC
CC
PHASE
= 12V
= 12V, V
= 12V, V
= 12V
A
− V
− V
− 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
250
0.6
0.6
70
35
--
--
--
--
--
--
--
Typ
300
1.5
0.2
3.5
90
75
40
--
1
4
1
3
RT9214
www.richtek.com
Max
350
100
80
45
--
--
--
--
--
--
8
5
Units
V
kHz
ms
ms
dB
μA
ns
%
P-P
Ω
Ω
A
A
5