RT8203GA Richtek USA Inc, RT8203GA Datasheet - Page 23

• 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

DS8203-04 March 2011
“ >2.4V ”
“ >2.4V ”
“ >2.4V ”
“ >2.4V ”
“ >2.4V ”
“ >2.4V ”
“ >2.4V ”
“ >2.4V ”
=> High
=> High
=> High
=> High
=> High
=> High
=> High
=> High
=> High
“ >2.4V ”
EN (V)
Low
VON5 (V)
VREF
VREF
VREF
High
High
High
Low
Low
Low
X
VON3 (V)
VREF
VREF
VREF
LOW
High
High
High
Low
Low
X
Table 3 Power-Up Sequencing
(after VREF
(after VREF
(after VREF
(after VREF
(after VREF
(after VREF
(after VREF
(after VREF
powers up)
powers up)
powers up)
powers up)
powers up)
powers up)
powers up)
powers up)
powers up)
(after REF
LDO5
On
On
On
On
On
On
On
On
Off
On
(after LDO5
(after LDO5
(after LDO5
(after LDO5
(after LDO5
(after LDO5
(after LDO5
(after LDO5
(after LDO5
powers up)
powers up)
powers up)
powers up)
powers up)
powers up)
powers up)
powers up)
powers up)
LDO3
On
On
On
On
On
On
On
On
On
Off
SMPS on)
5V SMPS
(after 3V
ON
Off
Off
Off
Off
Off
Off
On
On
On
RT8203
www.richtek.com
SMPS on)
3V SMPS
(after 5V
Off
Off
Off
On
Off
Off
On
Off
On
On
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