ADP2303ARDZ-3.3-R7 Analog Devices Inc, ADP2303ARDZ-3.3-R7 Datasheet - Page 13
![no-image](/images/manufacturer_photos/0/0/57/analog_devices_inc_sml.jpg)
ADP2303ARDZ-3.3-R7
Manufacturer Part Number
ADP2303ARDZ-3.3-R7
Description
3A Non-Sync Step Down DC-DC Converter
Manufacturer
Analog Devices Inc
Type
Step-Down (Buck), PFM/PWM - Current Moder
Datasheet
1.ADP2302ARDZ-2.5-R7.pdf
(28 pages)
Specifications of ADP2303ARDZ-3.3-R7
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ADP2303ARDZ-3.3-R7
ADP2303ARDZ-3.3-R7TR
ADP2303ARDZ-3.3-R7TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADP2303ARDZ-3.3-R7
Manufacturer:
AD
Quantity:
15 620
FUNCTIONAL BLOCK DIAGRAM
OFF
PGOOD
ON
NC
EN
3
4
6
SHUTDOWN
THERMAL
1.20V
1.2µA
0.880V
0.680V
SHUTDOWN
g
OVP
m
LOGIC
V
THRESHOLD
BIAS
SHUTDOWN IC
CURRENT
0.8V VOLTAGE
REFERENCE
= 1.1V
V
LIMIT
IN
UVLO
Figure 44. Functional Block Diagram
GENERATOR
OCP
RAMP
2
7
VIN
GND
Rev. 0 | Page 13 of 28
SENSE AMPLIFIER
CURRENT
(⅛
FREQUENCY FOLDBACK
f
SW
, ¼
GENERATOR
f
REGULATOR
SW
CLK
, ½
BOOT
ADP2302/ADP2303
f
SW
R
S
,
Q
f
SW
)
1
8
5
BST
SW
FB
ADP2302/ADP2303
V
OUT