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| 型号： | ADP1614ACPZ-1.3-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 4A 10LFCSP |
| 标准包装： | 1,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.5 V ~ 20 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.3MHz |
| 电流 - 输出： | 4A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-LFCSP-WD（3x3） |
| 其它名称： | ADP1614ACPZ-1.3-R7-ND ADP1614ACPZ-1.3-R7TR |
650 kHz/1.3 MHz, 4 A, Step-Up,
PWM, DC-to-DC Switching Converter
Data Sheet
FEATURES
Adjustable and fixed current-limit options:
TYPICAL APPLICATIONS CIRCUITS
L1
Adjustable up to 4 A
Fixed 3 A
2.5 V to 5.5 V input voltage range
V IN
8
ADP1614
ADJUSTABLE
CURRENT
VIN LIMIT SW 6
D1
V OUT
650 kHz or 1.3 MHz fixed frequency option
Adjustable output voltage, up to 20 V
Adjustable soft start
Undervoltage lockout
C IN
OFF
ON
3
9
EN
CLRES
SW 7
FB 2
R1
R2
Thermal shutdown
3 mm × 3 mm, 10-lead LFCSP
Supported by ADIsimPower design tool
R CL
C SS
10 SS COMP 1
GND GND EP
4 5 11
R COMP
C COMP
C OUT
APPLICATIONS
TFT LCD bias supplies
Portable applications
Industrial/instrumentation equipment
Figure 1. Step-Up Regulator Configuration for Adjustable Current-Limit Options
L1
ADP1614
V IN
FIXED
CURRENT
D1
V OUT
GENERAL DESCRIPTION
The ADP1614 is a step-up, dc-to-dc switching converter with
an integrated power switch capable of providing an output
voltage as high as 20 V. The ADP1614 is available with a pin-
C IN
ON
OFF
1.3MHz
650kHz
8
3
9
VIN
EN
FREQ
LIMIT
SW 6
SW 7
FB 2
R1
R2
adjustable current limit that is set via an external resistor with
the boost switching frequency fixed to either 650 kHz or 1.3 MHz.
Alternatively, the ADP1614 is also available with fixed 3 A current
(DEFAULT)
C SS
10 SS COMP 1
GND GND EP
4 5 11
R COMP
C COMP
C OUT
limit and a pin-selectable frequency. With a package height of
0.8 mm, the ADP1614 is optimal for space constrained
applications, such as portable devices or thin film transistor (TFT)
liquid crystal displays (LCDs).
The ADP1614 operates in current-mode pulse-width modulation
(PWM) with up to 94% efficiency. Adjustable soft start prevents
inrush currents when the part is enabled. The PWM current-mode
architecture allows excellent transient response, easy noise filtering,
and the use of small, cost-saving external inductors and capacitors.
Other key features include undervoltage lockout (UVLO), thermal
shutdown (TSD), and logic controlled enable.
The ADP1614 is available in a Pb-free, 10-lead lead frame chip
scale package (LFCSP).
Figure 2. Step-Up Regulator Configuration for Fixed Current-Limit Options
Rev. A
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 ?2012–2013 Analog Devices, Inc. All rights reserved.
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