Data Sheet
The ADP1829 can also be configured to drive an output load of
less than 1 A. Figure 35 shows a typical application circuit that
drives 1.5 A and 3 A loads in all multilayer ceramic capacitor
(MLCC) solutions. Note that the two MOSFETs used in this
example are dual-channel MOSFETs in a PowerPAK? SO-8
V IN = 3V TO 5.5V
1μF
ADP1829
package, which reduces cost and saves layout space. An
alternative to using the dual-channel SO-8 package is using two
single MOSFETs in SOT-23 or TSOP-6 packages, which are low
cost and small in size.
PV
TRK1
TRK2
IN
EN1
EN2
1μF
10μF
×2
1μF
D2
0.22μF
VREG
BST1
BST2
D1
0.22μF
10μF
×2
PGND
1.0V, 3A
L2
2.2μH
M3
DH1 DH2
ADP1829
M1
L1
2.5μH
1.8V, 1.5A
C OUT3
100μF
C OUT2
47μF
1μF
8.2nF
4.12k?
SW1
CSL1
SW2
CSL2
1.4k?
8.2nF
1μF
10μF
C OUT1
100μF
84.5?
M4
1.33k?
120nF
DL1 DL2
PGND1 PGND2
FB2
FB1
120nF
M2
2k?
84.5?
2k?
1k?
6.65k?
1.5nF
COMP1 COMP2
FREQ
LDOSD
SYNC
GND
6.65k?
1.5nF
IN
f OSC = 600kHz
M1 TO M4: DUAL-CHANNEL SO-8 IRF7331
L2: TOKO, FDV0602-2R2M
C OUT2 : MURATA, GRM31CR60J476M
AGND
L1: SUMIDA, CDRH5D28-2R5NC
C OUT1 , C OUT3 : MURATA, GRM31CR60J107M
D1, D2: VISHAY BAT54
Figure 35. Application Circuit with all Multilayer Ceramic Capacitors (MLCC)
Rev. C | Page 27 of 28
相关PDF资料
R1S-1515/P-R CONV DC/DC 1W 15VIN 15VOUT
ADP2102-1.8-EVALZ BOARD EVAL FOR ADP2102-1.8
ECM10DCMD-S288 CONN EDGECARD 20POS .156 EXTEND
ADP2102-1.875EVALZ BOARD EVAL FOR ADP2102-1.875
195D685X0016X2T CAP TANT 6.8UF 16V 20% 2910
A9BAG-1108F FLEX CABLE - AFF11G/AF11/AFE11T
GEM12DSES-S243 CONN EDGECARD 24POS .156 EYELET
EBM08DCCN-S189 CONN EDGECARD 16POS R/A .156 SLD
相关代理商/技术参数
ADP1850 制造商:AD 制造商全称:Analog Devices 功能描述:Wide Range Input, Dual/Two-Phase, DC-to-DC Synchronous Buck Controller
ADP1850ACPZ 制造商:Analog Devices 功能描述:IC BUCK CNTRL SYNC 2PH 32LFCSP
ADP1850ACPZ-R7 功能描述:IC REG CTRLR BUCK PWM CM 32LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR
ADP1850DP-EVALZ 功能描述:EVAL BOARD FOR ADP1850DP RoHS:是 类别:编程器,开发系统 >> 评估板 - DC/DC 与 AC/DC(离线)SMPS 系列:- 标准包装:1 系列:- 主要目的:DC/DC,步降 输出及类型:1,非隔离 功率 - 输出:- 输出电压:3.3V 电流 - 输出:3A 输入电压:4.5 V ~ 28 V 稳压器拓扑结构:降压 频率 - 开关:250kHz 板类型:完全填充 已供物品:板 已用 IC / 零件:L7981 其它名称:497-12113STEVAL-ISA094V1-ND
ADP1850SP-EVALZ 功能描述:EVAL BOARD FOR ADP1850SP RoHS:是 类别:编程器,开发系统 >> 评估板 - DC/DC 与 AC/DC(离线)SMPS 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:True Shutdown™ 主要目的:DC/DC,步升 输出及类型:1,非隔离 功率 - 输出:- 输出电压:- 电流 - 输出:1A 输入电压:2.5 V ~ 5.5 V 稳压器拓扑结构:升压 频率 - 开关:3MHz 板类型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
ADP1851ACPZ-R7 功能描述:电流型 PWM 控制器 w-range input Synch StepDown DC/DC Cntr RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
ADP1851-EVALZ 功能描述:电源管理IC开发工具 Evaluation Board 1.8V 25A Output RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
ADP1853 制造商:AD 制造商全称:Analog Devices 功能描述:Synchronous, Step-Down DC-to-DC Controller