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參數資料
| 型號： | ADP3414 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Secondary Over-Voltage Protection for 2-4 cell in series Li-Ion/Poly (4.35V) 8-SM8 -40 to 110 |
| 中文描述： | 雙舉MOSFET驅動電路 |
| 文件頁數： | 3/8頁 |
| 文件大?。?/td> | 141K |
| 代理商： | ADP3414 |
REV. 0
ADP3414
–3–
ABSOLUTE MAXIMUM RATINGS
*
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
θ
JA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
°
C/W
θ
JC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
°
C/W
Storage Temperature Range . . . . . . . . . . . .
–
65
°
C to +150
°
C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300
°
C
*
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.
PIN CONFIGURATION
IN
VCC
BST
NC
DRVH
SW
DRVL
PGND
8
7
6
5
NC = NO CONNECT
ADP3414
TOP VIEW
(Not To Scale)
1
2
3
4
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.
TTL-level Input Signal, which has primary control of the drive outputs.
No Connection.
Input Supply. This pin should be bypassed to PGND with ~1
μ
F 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.
Buck Drive. Output drive for the upper (buck) MOSFET.
2
3
4
5
6
7
IN
NC
VCC
DRVL
PGND
SW
8
DRVH
ORDERING GUIDE
Temperature Package
Range
Package
Option
Model
Description
ADP3414JR 0
°
C to 70
°
C
8-Lead Standard
Small Outline (SOIC)
SO-8
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 ADP3414 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
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|---|---|
| ADP3414JR | 制造商:Rochester Electronics LLC 功能描述:HIGH CURRENT DUAL FET DRIVER W/DISABLE - Bulk |
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| ADP3414JRZ-REEL7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADP3415 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual MOSFET Driver with Bootstrapping |
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