RT8203GA Richtek USA Inc, RT8203GA Datasheet - Page 12

• 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

RT8203
www.richtek.com
12
VOUT5 Switching Frequency vs. Load Current
VOUT5 Switching Frequency vs. Load Current
VOUT3 Switching Frequency vs. Load Current
250
225
200
175
150
125
100
360
320
280
240
200
160
120
250
225
200
175
150
125
100
75
50
25
80
40
75
50
25
0
0.001
0
0
0.001
0.001
Forced CCM Mode
Forced CCM Mode
Ultrasonic Mode
Ultrasonic Mode
Forced CCM Mode
Ultrasonic Mode
0.01
0.01
0.01
Load Current (A)
Load Current (A)
Load Current (A)
0.1
0.1
0.1
Diode-Emulation Mode
Diode-Emulation Mode
Diode-Emulation Mode
V
ON3 = GND,
ON5 = VCC,
C
L = 7.6μH
V
ON3 = VCC,
ON5 = GND,
C
L = 4.7μH
V
ON3 = GND,
ON5 = VCC,
C
L = 7.6μH
1
IN
IN
1
OUT
1
OUT
IN
OUT
= 8V,
= 12V,
= 24V,
= 330μF,
= 470μF,
= 330μF,
10
10
10
VOUT5 Switching Frequency vs. Load Current
VOUT3 Switching Frequency vs. Load Current
VOUT3 Switching Frequency vs. Load Current
250
225
200
175
150
125
100
360
320
280
240
200
160
120
360
320
280
240
200
160
120
80
40
75
50
25
80
40
0
0
0
0.001
0.001
0.001
Forced CCM Mode
Forced CCM Mode
Forced CCM Mode
Ultrasonic Mode
Ultrasonic Mode
Ultrasonic Mode
0.01
0.01
0.01
Load Current (A)
Load Current (A)
Load Current (A)
0.1
0.1
0.1
DS8203-04 March 2011
Diode-Emulation Mode
Diode-Emulation Mode
Diode-Emulation Mode
V
ON3 = VCC,
ON5 = GND,
C
L = 4.7μH
V
ON3 = GND,
ON5 = VCC,
C
L = 7.6μH
V
ON3 = VCC,
ON5 = GND,
C
L = 4.7μH
1
IN
1
IN
OUT
1
OUT
IN
OUT
= 8V,
= 12V,
= 24V,
= 470μF,
= 330μF,
= 470μF,
10
10
10