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參數(shù)資料
| 型號(hào)： | AAT1112IWP-0.6-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 1.5A, 1.4MHz Step-Down Converter |
| 中文描述： | 1.5A的，1.4MHz的降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大?。?/td> | 828K |
| 代理商： | AAT1112IWP-0.6-T1 |
AAT1112
1.5A, 1.4MHz Step-Down Converter
2
1112.2007.01.1.1
Pin Descriptions
Pin Configuration
TSOPJW-12
(Top View)
TDFN33-12
(Top View)
PGND
PGND
PGND
GND
GND
1
FB
LX
VP
N/C
MODE/SYNC
EN
VIN
2
3
4
5
6
12
11
10
9
8
7
1
2
3
4
5
6
12
11
10
9
8
7
LX
VP
N/C
MODE/SYNC
EN
VIN
PGND
GND
GND
GND
GND
FB
Pin #
TSOPJW-12
TDFN33-12
Symbol
Function
1
12
LX
Switching node. Connect the output inductor to this pin. The
switching node is internally connected to the drain of both
high- and low-side MOSFETs.
2
11
VP
Input voltage for the power switches.
3
10
N/C
Not connected.
4
9
MODE/SYNC
Connect to ground for PFM/PWM mode and optimized efficien-
cy throughout the load range. Connect high for low noise
PWM operation under all operating conditions. Connect to an
external clock for synchronization (PWM only).
5
8
EN
Enable pin. A logic low disables the converter and it con-
sumes less than 1μA of current. When connected high, it
resumes normal operation.
6
7
VIN
Power supply. Supplies power for the internal circuitry.
7
6
FB
Feedback input pin. This pin is connected either directly to the
converter output or to an external resistive divider for an
adjustable output.
8, 9, 10, 11
4, 5
GND
Non-power signal ground pin.
12
1, 2, 3
PGND
Main power ground return pin. Connect to the output and
input capacitor return.
N/A
EP
Exposed paddle (bottom); connect to ground as closely as
possible to the device.
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