ADP3416
ABSOLUTE MAXIMUM RATINGS*
ORDERING GUIDE
Temperature Package
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +8 V
BST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +30 V
BST to SW . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +8 V
SW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5.0 V to +25 V
IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to VCC + 0.3 V
Operating Ambient Temperature Range . . . . . . . 0°C to 70°C
Operating Junction Temperature Range . . . . . . 0°C to 125°C
θJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155°C/W
θJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40°C/W
Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300°C
Package
Option
Model
Range
Description
ADP3416JR 0°C to 70°C
8-Lead Standard
Small Outline (SOIC)
SOIC-8
PIN CONFIGURATION
1
2
3
4
8
7
6
5
BST
IN
DRVH
SW
ADP3416
TOP VIEW
(Not To Scale)
NC
PGND
DRVL
*This is a stress rating only; operation beyond these limits can cause the device to
be permanently damaged. Unless otherwise specified, all voltages are referenced
to PGND.
VCC
NC = NO CONNECT
PIN FUNCTION DESCRIPTIONS
Pin
Mnemonic
Function
1
BST
Floating Bootstrap Supply for the Upper MOSFET. A capacitor connected between BST and SW Pins
holds this bootstrapped voltage for the high side MOSFET as it is switched. The capacitor should be
chosen between 100 nF and 1 F.
2
3
4
5
6
7
IN
NC
VCC
DRVL
PGND
SW
TTL-level input signal that has primary control of the drive outputs.
No Connection.
Input Supply. This pin should be bypassed to PGND with ~1 µF ceramic capacitor.
Synchronous Rectifier Drive. Output drive for the lower (synchronous rectifier) MOSFET.
Power Ground. Should be closely connected to the source of the lower MOSFET.
This pin is connected to the buck-switching node, close to the upper MOSFET’s source. It is the floating
return for the upper MOSFET drive signal. It is also used to monitor the switched voltage to prevent turn-
on of the lower MOSFET until the voltage is below ~1 V. Thus, according to operating conditions, the
high low transition delay is determined at this pin.
8
DRVH
Buck Drive. Output drive for the upper (buck) MOSFET.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the ADP3416 features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
–3–
REV. A