RT8203GA Richtek USA Inc, RT8203GA Datasheet - Page 7

• Manufacturer Part Number: RT8203GA
• Description: IC CTRLR SMPS STPDN DUAL 28SSOP
• Manufacturer: Richtek USA Inc

Specifications of RT8203GA

• Output Isolation: Isolated
• Frequency Range: Adjustable, Selectable
• Voltage - Input: 7 V ~ 24 V
• Voltage - Output: Selectable
• Power (watts): 1.05W
• Operating Temperature: -10°C ~ 85°C
• Package / Case: 28-SSOP (0.150", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
(V
DS8203-04 March 2011
Main SMPS Controllers
Input Voltage Range
VOUT3 Output Voltage in Fixed
Mode
VOUT5 Output Voltage in Fixed
Mode
Output Voltage in Adjustable Mode
Output Voltage Adjust Range
FBx Adjustable-Mode Threshold
Voltage
Input Voltage, V
BOOTx to GND ------------------------------------------------------------------------------------------------- −0.3V to 30V
PHASEx to BOOTx -------------------------------------------------------------------------------------------- −6V to 0.3V
PHASEx to GND ------------------------------------------------------------------------------------------------ −1V to 25V
VCC, LDOx, VOUTx, ONx, VREF, FBx, SKIP, PRO, PGOOD to GND --------------------------- −0.3V to 6V
UGATEx to PHASEx ------------------------------------------------------------------------------------------ −0.3V to (V
ILIMx to GND ---------------------------------------------------------------------------------------------------- −0.3V to (V
LGATEx to GND ------------------------------------------------------------------------------------------------ −0.3V to (V
TON to GND ------------------------------------------------------------------------------------------------------ −0.3V to 6V
LDOx, VREF Short Circuit to GND ------------------------------------------------------------------------- Momentary
LDOx Circuit (Internal Regulator) Continuous ----------------------------------------------------------- 100mA
LDOx Circuit (Switchover to VOUTx) Continuous ------------------------------------------------------ 200mA
Package Thermal Resistance (Note 2)
SSOP-28, θ
Junction Temperature ------------------------------------------------------------------------------------------ 150°C
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------- 260°C
Storage Temperature Range --------------------------------------------------------------------------------- –65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Mode) ----------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------- 200V
Input Voltage, V
Control Voltage, V
Junction Temperature Range ---------------------------------------------------------------------------------
Ambient Temperature Range ---------------------------------------------------------------------------------
IN
Power Dissipation, P
SSOP-28 -------------------------------------------------------------------------------------------------------- 1.053W
= 12V, No load on LDOx, VOUTx and VREF, ONx = VCC, V
Parameter
JA
---------------------------------------------------------------------------------------------------- 95° C/W
IN
IN
, EN to GND ------------------------------------------------------------------------------ −0.3V to 25V
----------------------------------------------------------------------------------------------- 7V to 24V
CC
------------------------------------------------------------------------------------------- 5V ± 5%
D
@ T
A
= 25°C
V
V
V
Symbol
IN
OUT3
OUT5
(Note 1)
LDO5 in regulation
V
V
V
V
V
Either SMPS
Dual-Mode comparator
IN
SKIP
IN
SKIP
IN
= 7V to 24V, FB3 = GND,
= 8V to 24V, FB5 = GND,
= 7V to 24V, either SMPS
= 5V
= 5V
Test Conditions
EN
= 5V, T
(Note 4)
A
= 25°C, unless Otherwise specification)
3.285
4.975
1.975
0.12
Min
7
2
–
–
3.330
5.059
10°C to 125°C
10°C to 85°C
2.00
Typ
--
--
--
RT8203
To be continued
www.richtek.com
3.375
5.125
2.025
Max
0.22
5.5
24
BOOTx
CC
LDO5
+ 0.3V)
+ 0.3V)
+ 0.3V)
Unit
V
V
V
V
V
V
7