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参数资料
| 型号： | ADP2503ACPZ-3.3-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BST 3.3V .6A 10LFCSP |
| 产品变化通告： | Reliability Change 27/Apr/2012 |
| 标准包装： | 1 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 2.3 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 2.5MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘，CSP |
| 包装： | 标准包装 |
| 供应商设备封装： | 10-LFCSP-WD（3x3） |
| 其它名称： | ADP2503ACPZ-3.3-R7DKR |
Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADP2503/ADP2504
VOUT 1
ADP2503/
10 FB
SW2 2
PGND 3
SW1 4
PVIN 5
ADP2504
TOP VIEW
(Not to scale)
9
8
7
6
AGND
VIN
SYNC
EN
NOTES
1. CONNECT EXPOSED PAD TO PGND.
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
EP
Mnemonic
VOUT
SW2
PGND
SW1
PVIN
EN
SYNC
VIN
AGND
FB
Exposed pad
Description
Output of the ADP2503/ADP2504. Connect the output capacitor between VOUT and PGND.
Power Switch 2 Connection. This is the internal connection to the input PMOS and NMOS switches. Connect
SW2 to the inductor with a short, wide track.
Power GND. Connect the input and output capacitors and the PGND pin to a PGND plane.
Power Switch 1 Connection. This is the internal connection to the output PMOS and NMOS switches. Connect
SW1 to the inductor with a short, wide track.
Power Input. This the input to the buck-boost power switches. Place a 10 μF capacitor between PVIN and
PGND as close as possible to the ADP2503/ADP2504.
Enable. Drive EN high to turn on the ADP2503/ADP2504. Bring EN low to put the part into shutdown mode.
The SYNC pin permits the ADP2503/ADP2504 to operate in three different modes.
Normal operation: with SYNC driven low, the ADP2503/ADP2504 operate at 2.5 MHz PWM mode for heavy
and medium loads, and moves to power save mode (PSM) mode for light loads.
Forced PWM operation: with SYNC driven high, the ADP2503/ADP2504 operate at fixed 2.5 MHz PWM mode
for all load conditions.
SYNC mode: to synchronize the ADP2503/ADP2504 switching to an external signal, drive this pin with a clock
between 2.2 MHz and 2.8 MHz. The SYNC signal must have on and off times greater than 160 ns.
Analog Power Supply. This is the supply for the ADP2503/ADP2504 internal circuitry.
Analog Ground.
Output Feedback. This is an input to the internal error amplifier and must be connected to VOUT on fixed
output versions; for the adjustable model, this is the voltage feedback.
Connect the exposed pad to PGND.
Rev. C | Page 5 of 16
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| ADP2503ACPZ-4.2-R7 | 功能描述:IC REG BUCK BST 4.2V .6A 10LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:500 系列:- 类型:切换式电容器（充电泵），反相 输出类型:固定 输出数:1 输出电压:-3V 输入电压:2.3 V ~ 5.5 V PWM 型:Burst Mode? 频率 - 开关:900kHz 电流 - 输出:100mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 细型，TSOT-23-6 包装:带卷 (TR) 供应商设备封装:TSOT-23-6 其它名称:LTC1983ES6-3#TRMTR |
| ADP2503ACPZ-4.2-R71 | 制造商:AD 制造商全称:Analog Devices 功能描述:600 mA/1000 mA, 2.5 MHz Buck-Boost DC-to-DC Converter |
| ADP2503ACPZ-4.5-R7 | 功能描述:IC REG BUCK BST 4.5V .6A 10LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:500 系列:- 类型:切换式电容器（充电泵），反相 输出类型:固定 输出数:1 输出电压:-3V 输入电压:2.3 V ~ 5.5 V PWM 型:Burst Mode? 频率 - 开关:900kHz 电流 - 输出:100mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 细型，TSOT-23-6 包装:带卷 (TR) 供应商设备封装:TSOT-23-6 其它名称:LTC1983ES6-3#TRMTR |
| ADP2503ACPZ-4.5-R71 | 制造商:AD 制造商全称:Analog Devices 功能描述:600 mA/1000 mA, 2.5 MHz Buck-Boost DC-to-DC Converter |
| ADP2503ACPZ-5.0-R7 | 功能描述:IC REG BUCK BST SYNC .6A 10LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:升压（升压） 输出类型:两者兼有 输出数:1 输出电压:5V，2 V ~ 16.5 V 输入电压:2 V ~ 16.5 V PWM 型:- 频率 - 开关:45kHz 电流 - 输出:50mA 同步整流器:无 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 包装:管件 供应商设备封装:8-PDIP |
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