RT8203GA Richtek USA Inc, RT8203GA Datasheet - Page 9

• 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
LDO3 Bootstrap Switch
Resistance
VREF Output Voltage
VREF Load Regulation
VREF Sink Current
VIN Standby Supply
Current
VIN Shutdown Supply
Current
Quiescent Power
Consumption
Fault Detection
Over Voltage Trip
Threshold
Over Voltage Fault
Propagation Delay
PGOOD Threshold
PGOOD Propagation Delay
PGOOD Output Low
Voltage
PGOOD Leakage Current
Thermal Shutdown
Threshold
Output Undervoltage
Shutdown Threshold
Output Undervoltage
Shutdown Blanking Time
Inputs and Outputs
Feedback Input Leakage
Current
PRO Input Threshold
Voltage
SKIP Input Threshold
Voltage
T
Voltage
ON3, ON5 Input Threshold
Voltage
Input Leakage Current
ON
Input Threshold
Parameter
V
I
I
T
ΔT
Symbol
Standby
SD
SD
REF
SD
LDO3 to VOUT3, VOUT3 = 3.2V
No external load
0 < I
VREF in regulation
V
includes I
V
Both SMPSs on,
FBx = SKIP = GND,
V
FBx with respect to nominal regulation
point
FBx delay with 50mV overdrive
FBx with respect to nominal output,
falling edge, typical hysteresis = 1%
Falling edge, 50mV overdrive
I
High state, forced to 5.5V
FBx with respect to nominal output
voltage
From ONx signal going high
V
Low level
High level
Low level
Float level
High level
Low level
High level
Clear fault level/SMPS off level
Delay start level
SMPS on level
V
V
SINK
IN
IN
OUT3
FBx
PRO
ONx
= 7V to 24V, both SMPSs off,
= 7V to 24V
LOAD
= 2.2V
= 4mA
= 0 or 5V
or V
= 3.5V, V
EN
< 50μA
TON
Test Conditions
= 0 or 5V
OUT5
= 5.3V (Note 6)
−11.25
−200
1.98
Min
1.5
2.4
2.4
2.4
1.3
10
65
10
−1
−2
--
--
--
--
--
--
--
--
--
--
--
--
--
--
8
1
−8.75
Typ
150
150
1.5
3.5
15
11
20
70
22
40
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
2
5
RT8203
−6.25
To be continued
Max
2.02
www.richtek.com
250
200
3.5
0.3
0.6
0.8
2.3
0.8
0.8
2.3
10
25
14
75
35
--
5
--
--
1
--
--
--
--
--
2
2
Unit
mW
mV
ms
μA
μA
μA
μA
nA
μA
μs
μs
°C
%
%
%
Ω
V
V
V
V
V
V
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