参数资料
型号: ADP2164ACPZ-R7
厂商: Analog Devices Inc
文件页数: 6/20页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A 16LFCSP
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 6.5 V
输入电压: 2.7 V ~ 6.5 V
PWM 型: 电流模式
频率 - 开关: 500kHz ~ 1.4MHz
电流 - 输出: 4A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘,CSP
包装: 标准包装
供应商设备封装: 16-LFCSP-WQ(4x4)
其它名称: ADP2164ACPZ-R7DKR

ADP2164
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Data Sheet
SYNC 1
12 PVIN
RT 2
TRK 3
ADP2164
TOP VIEW
(Not to Scale)
11 SW
10 SW
FB 4
9
SW
NOTES
1. THE EXPOSED PAD SHOULD BE SOLDERED
TO AN EXTERNAL GROUND PLANE UNDER
THE IC FOR THERMAL DISSIPATION.
Figure 3. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
1
2
3
4
5
6, 7, 8
9, 10, 11
12, 13
14
15
16
17 (EPAD)
Mnemonic
SYNC
RT
TRK
FB
GND
PGND
SW
PVIN
VIN
EN
PGOOD
Exposed Pad
Description
Synchronization Input. To synchronize the switching frequency to an external clock, connect this pin to an
external clock with a frequency of 500 kHz to 1.4 MHz (see the Oscillator and Synchronization section for
more information).
Frequency Setting. To select a switching frequency of 600 kHz, connect this pin to GND; to select a switching
frequency of 1.2 MHz, connect this pin to VIN. To program the frequency from 500 kHz to 1.4 MHz, connect a
resistor from this pin to GND (see the Oscillator and Synchronization section for more information).
Tracking Input. To track a master voltage, connect the TRK pin to a voltage divider from the master voltage. If
the tracking function is not used, connect the TRK pin to VIN. For more information, see the Voltage Tracking
section.
Feedback Voltage Sense Input. Connect this pin to a resistor divider from V OUT . For the preset output version,
connect this pin directly to V OUT .
Analog Ground. Connect to the ground plane.
Power Ground. Connect to the ground plane and to the output return side of the output capacitor.
Switch Node Output. Connect to the output inductor.
Power Input Pin. Connect this pin to the input power source. Connect a bypass capacitor between this pin
and PGND.
Bias Voltage Input Pin. Connect a bypass capacitor between this pin and GND; connect a small (10 Ω) resistor
between this pin and PVIN.
Precision Enable Pin. The external resistor divider can be used to set the turn-on threshold. To enable the
part automatically, connect the EN pin to VIN. This pin has a 1 MΩ pull-down resistor to GND.
Power-Good Output (Open Drain). Connect this pin to a resistor from any pull-up voltage lower than 6.5 V.
The exposed pad should be soldered to an external ground plane under the IC for thermal dissipation.
Rev. A | Page 6 of 20
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