RT9214GSP RICHTEK [Richtek Technology Corporation], RT9214GSP Datasheet - Page 4

• Manufacturer Part Number: RT9214GSP
• Description: 5V/12V Synchronous Buck PWM DC-DC Controller
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9214
Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
(V
4
www.richtek.com
V
Nominal Supply Current
Power-On Reset
POR Threshold
Hysteresis
Switcher Reference
Reference Voltage
DC ------------------------------------------------------------------------------------------------------------- −5V to 15V
DC ------------------------------------------------------------------------------------------------------------- −0.3V to V
Supply Voltage, V
BOOT, V
PHASE to GND
< 200ns ------------------------------------------------------------------------------------------------------ −10V to 30V
BOOT to PHASE ------------------------------------------------------------------------------------------ 15V
BOOT to GND
< 200ns ------------------------------------------------------------------------------------------------------ −0.3V to 42V
UGATE ------------------------------------------------------------------------------------------------------- V
LGATE ------------------------------------------------------------------------------------------------------- GND - 0.3V to V
Input, Output or I/O Voltage ----------------------------------------------------------------------------- GND-0.3V to 7V
Power Dissipation, P
SOP-8 -------------------------------------------------------------------------------------------------------- 0.625W
SOP-8 (Exposed Pad) ----------------------------------------------------------------------------------- 1.33W
Package Thermal Resistance
SOP-8, θ
SOP-8 (Exposed Pad), θ
Junction Temperature ------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------- 260°C
Storage Temperature Range ---------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------- 200V
Supply Voltage, V
Junction Temperature Range ---------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range ---------------------------------------------------------------------------- −40°C to 85°C
CC
CC
= 5V/12V, T
Supply Current
BOOT
JA
Parameter
-------------------------------------------------------------------------------------------------- 160°C/W
- V
A
= 25°C, unless otherwise specified)
PHASE
CC
CC
D
-------------------------------------------------------------------------------------- 16V
-------------------------------------------------------------------------------------- 5V ± 5%,12V ± 10%
------------------------------------------------------------------------------------ 16V
@ T
JA
A
------------------------------------------------------------------------------ 75°C/W
= 25°C (Note 4)
I
V
V
V
Symbol
CC
CCRTH
CCHYS
REF
(Note 1)
UGATE and LGATE Open
V
V
CC
CC
Rising
= 12V
Test Conditions
(Note 3)
0.784
0.35
Min
DS9214-13
--
--
PHASE
- 0.3V to V
Typ
4.1
0.5
0.8
6
CC
To be continued
September 2007
+15V
0.816
Max
4.5
15
--
VCC
BOOT
+ 0.3V
Units
+ 0.3V
mA
V
V
V