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| 型号： | ADP1754ACPZ-1.0-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1V 1.2A 16LFCSP |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1V |
| 输入电压： | 1.6 V ~ 3.6 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.2A（最小值） |
| 电流 - 限制（最小）： | 1.5A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VQFN 裸露焊盘，CSP |
| 供应商设备封装： | 16-LFCSP-VQ EP（4x4） |
| 包装： | 标准包装 |
| 其它名称： | ADP1754ACPZ-1.0-R7DKR |
1.2 A, Low V IN , Low Dropout
Linear Regulator
Data Sheet
FEATURES
TYPICAL APPLICATION CIRCUITS
Maximum output current: 1.2 A
V IN = 1.8V
V OUT = 1.5V
Input voltage range: 1.6 V to 3.6 V
Low shutdown current: <2 μA
4.7μF
16
15
14
13
4.7μF
Very low dropout voltage: 105 mV @ 1.2 A load
Initial accuracy: ±1%
VIN
1 VIN
VIN VOUT VOUT
VOUT 12
Accuracy over line, load, and temperature: ±2%
7 fixed output voltage options with soft start
0.75 V to 2.5 V (ADP1754)
Adjustable output voltage option with soft start
100k?
PG
2 VIN
3 VIN
4 EN
ADP1754
TOP VIEW
(Not to Scale)
VOUT 11
VOUT 10
SENSE 9
0.75 V to 3.3 V (ADP1755)
High PSRR
PG
5
GND
6
SS
7
NC
8
65 dB @ 1 kHz
65 dB @ 10 kHz
10nF
54 dB @ 100 kHz
23 μV rms at 0.75 V output
Stable with small 4.7 μF ceramic output capacitor
Excellent load and line transient response
V IN = 1.8V
4.7μF
Figure 1. ADP1754 with Fixed Output Voltage, 1.5 V
V OUT = 0.5V(1 + R1/R2)
4.7μF
Current-limit and thermal overload protection
Power-good indicator
16
VIN
1 VIN
15 14 13
VIN VOUT VOUT
VOUT 12
Logic-controlled enable
Reverse current protection
100k?
2 VIN
ADP1755
TOP VIEW
VOUT 11
APPLICATIONS
PG
3 VIN
(Not to Scale)
VOUT 10
R1
Server computers
Memory components
4 EN
PG
5
GND
6
SS
7
ADJ 9
NC
8
R2
Telecommunications equipment
Network equipment
DSP/FPGA/microprocessor supplies
Instrumentation equipment/data acquisition systems
GENERAL DESCRIPTION
The ADP1754/ADP1755 are low dropout (LDO) CMOS linear
regulators that operate from 1.6 V to 3.6 V and provide up to
1.2 A of output current. These low V IN /V OUT LDOs are ideal for
regulation of nanometer FPGA geometries operating from 2.5 V
down to 1.8 V I/O rails, and for powering core voltages down to
0.75 V. Using an advanced proprietary architecture, the ADP1754/
ADP1755 provide high power supply rejection ratio (PSRR) and
low noise, and achieve excellent line and load transient response
with only a small 4.7 μF ceramic output capacitor.
The ADP1754 is available in seven fixed output voltage options.
The ADP1755 is the adjustable version, which allows output
10nF
Figure 2. ADP1755 with Adjustable Output Voltage, 0.75 V to 3.3 V
voltages that range from 0.75 V to 3.3 V via an external divider.
The ADP1754/ADP1755 allow an external soft start capacitor
to be connected to program the startup. A digital power-good
output allows power system monitors to check the health of the
output voltage.
The ADP1754/ADP1755 are available in a 16-lead, 4 mm × 4 mm
LFCSP, making them not only very compact solutions, but also
providing excellent thermal performance for applications that
require up to 1.2 A of output current in a small, low profile
footprint.
Rev. F
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ?2008–2013 Analog Devices, Inc. All rights reserved.
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