ADP2303ARDZ-R7 Analog Devices Inc, ADP2303ARDZ-R7 Datasheet - Page 10

• Manufacturer Part Number: ADP2303ARDZ-R7
• Description: IC REG SW STPDWN NONSYNCH 8SOIC
• Manufacturer: Analog Devices Inc
• Type: Step-Down (Buck), PFM/PWM - Current Moder

Specifications of ADP2303ARDZ-R7

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 0.8V
• Current - Output: 3A
• Frequency - Switching: 700kHz
• Voltage - Input: 3 V ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Primary Input Voltage: 20V
• No. Of Outputs: 1
• Output Current: 3A
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 3 - 168 Hours
• Peak Reflow Compatible (260 C): Yes
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADP2303ARDZ-R7; ADP2303ARDZ-R7TR

ADP2302/ADP2303
Figure 29. ADP2303 Load Transient, 0.5 A to 3.0 A, V
Figure 30. ADP2302 Load Transient, 0.5 A to 2.0 A, V
1
4
1
4
1
4
3
2
CH1
CH1
Figure 28. Soft Start Without Load, V
CH1
CH3
200mV
500mV
2.00V
10.0V
B
B
W
W
B
B
W
W
V
L = 6.8 μH, C
I
V
OUT
O
I
L = 4.7 μH, C
O
CH4 1.00A Ω
OUT
CH4 2.00A Ω
CH2 10.0V
CH4 2.00A Ω
(AC)
V
EN
(AC)
OUT
I
L
OUT
OUT
SW
= 2 × 22 μF
M200µs
M1.00ms
T
M200µs
T
T
= 47 μF
20.00%
20.20%
20.00%
OUT
= 3.3 V, V
A CH3
A CH4
OUT
OUT
A CH4
= 5.0 V, V
= 5.0 V, V
IN
= 12 V
1.20A
6.20V
1.20A
IN
IN
= 12 V,
= 12 V,
Rev. 0 | Page 10 of 28
Figure 32. ADP2303 Load Transient, 0.5 A to 3.0 A, V
Figure 33. ADP2302 Load Transient, 0.5 A to 2.0 A, V
1
4
1
4
3
2
1
4
CH1
CH1
CH3
CH1
Figure 31. Soft Start with Full Load, V
200mV
10.0V
2.00V
200mV
B
B
W
W
B
B
W
W
L = 4.7 μH, C
V
L = 6.8 μH, C
I
O
V
OUT
I
CH4 1.00A Ω
OUT
O
CH4 2.00A Ω
CH2 10.0V
CH4 2.00A Ω
V
(AC)
SW
(AC)
EN
OUT
I
L
OUT
OUT
= 2 × 47 μF
= 2 × 22 μF
M1.00ms
M200µs
M200µs
T
T
T
20.20%
20.00%
20.00%
OUT
= 3.3 V, V
A CH3
A CH4
OUT
OUT
A CH4
= 3.3 V, V
= 3.3 V, V
IN
= 12 V
1.88A
3.60V
1.20A
IN
IN
= 12 V,
= 12 V,