ADP2303ARDZ-R7 Analog Devices Inc, ADP2303ARDZ-R7 Datasheet - Page 11

• 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

–16
–32
–48
–64
–80
Figure 35. ADP2303 Line Transient, 7 V to 15 V, V
80
64
48
32
16
1
3
2
0
1k
1
4
2
CH1
CH3 5.00V
CROSS FREQUENCY = 36kHz
PHASE MARGIN = 60°
CH1
Figure 36. ADP2302 Bode Plot, V
20.0mV
1.00mV
Figure 34. Output Short, V
B
W
10k
B
B
W
W
L = 4.7 μH, C
L = 4.7 μH, C
L = 4.7 μH, C
CH2 10.0V
FREQUENCY (Hz)
CH2 10.0V
CH4 5.00A Ω
V
V
SW
V
SW
OUT
IN
I
OUT
L
OUT
OUT
OUT
B
100k
W
OUT
= 2 × 47 μF
= 2 × 47 μF
=3 × 22 μF
M40.0µs
T
M1.00ms
T
OUT
30.00%
= 3.3 V, V
23.40%
= 2.5 V, V
OUT
A CH1
IN
A CH3
= 12 V,
= 3.3 V, I
1M
IN
= 12 V,
1.26V
11.0V
OUT
180
144
108
72
36
0
–36
–72
–108
–144
–180
= 3 A,
Rev. 0 | Page 11 of 28
–16
–32
–48
–64
–80
Figure 38. ADP2302 Line Transient, 7 V to 15 V, V
80
64
48
32
16
1
3
2
0
1k
1
4
2
CH1
CH3 5.00V
CROSS FREQUENCY = 42kHz
PHASE MARGIN = 56°
CH1
Figure 37. Output Short Recovery, V
Figure 39. ADP2302 Bode Plot, V
20.0mV
1.00V
B
W
B
B
10k
W
W
L = 4.7 μH, C
L = 6.8 μH, C
L = 6.8 μH, C
CH2 10.0V
FREQUENCY (Hz)
CH2 10.0V
CH4 5.00A Ω
V
V
SW
V
SW
OUT
IN
OUT
I
L
OUT
OUT
OUT
B
100k
W
ADP2302/ADP2303
= 2 × 47 μF
= 2 × 22 μF
= 2 × 22 μF
M400µs
M1.00ms
T
T
OUT
30.00%
23.40%
OUT
= 3.3 V, V
= 3.3 V, V
OUT
A CH1
A CH3
= 3.3 V, I
1M
IN
IN
= 12 V,
= 12 V,
1.26V
11.0V
OUT
180
144
108
72
36
0
–36
–72
–108
–144
–180
= 2 A,