RT9214GS Richtek USA Inc, RT9214GS Datasheet - Page 5

• Manufacturer Part Number: RT9214GS
• Description: IC CTRLR PWM SYNC BUCK 8SOP
• Manufacturer: Richtek USA Inc

Specifications of RT9214GS

• Frequency - Max: 350kHz
• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Duty Cycle: 100%
• Voltage - Supply: 5V, 12V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
Note 2. θ
Note 3. Devices are ESD sensitive. Handling precaution recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
DS9214-14 February 2011
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
CC
f
ΔV
g
A
R
I
R
T
Δ
I
T
I
Symbol
OSC
LGATE
OC
UGATE
m
DT
SS
O
UGATE
LGATE
= 12V)
FBUVT
OSC
V
V
V
V
V
V
V
FB Falling
V
V
CC
CC
BOOT
UGATE
BOOT
UGATE
CC
CC
PHASE
= 12V
= 12V
= 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
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
V
Unit
kHz
ms
ms
dB
μA
ns
P−P
%
Ω
Ω
A
A
5