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参数资料
| 型号： | ADP1829ACPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 26/28页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 32LFCSP |
| 标准包装： | 1 |
| PWM 型： | 电压模式 |
| 输出数： | 2 |
| 频率 - 最大： | 720kHz |
| 占空比： | 93% |
| 电源电压： | 3 V ~ 20 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： | -40°C ~ 125°C |
| 封装/外壳： | 32-VFQFN 裸露焊盘，CSP |
| 包装： | 标准包装 |
| 产品目录页面： | 791 (CN2011-ZH PDF) |
| 配用： | ADP1829-EVALZ-ND - BOARD EVALUATION ADP1829 |
| 其它名称： | ADP1829ACPZ-R7DKR |
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ADP1829
APPLICATION CIRCUITS
The ADP1829 controller can be configured to regulate outputs
with loads of more than 20 A if the power components, such as
the inductor, MOSFETs and the bulk capacitors, are chosen
carefully to meet the power requirement. The maximum load
and power dissipation are limited by the powertrain components.
output load of 8 A.
Note that two low-side MOSFETs are needed to deliver the 20 A
load. The bulk input and output capacitors used in this example
are Sanyo OSCON? capacitors, which have low ESR and high
current ripple rating. An alternative to the OSCON capacitors
V IN = 5.5V TO 18V
1μF
Data Sheet
are the polymer aluminum capacitors that are available from
other manufacturers such as United Chemi-con. Aluminum
electrolytic capacitors, such as Rubycon’s ZLG low ESR series,
can also be paralleled up at the input or output to meet the
ripple current requirement. Because the aluminum electrolytic
capacitors have higher ESR and much larger variation in
capacitance over the operating temperature range, a larger bulk
input and output capacitance is needed to reduce the effective
ESR and suppress the current ripple. Figure 34 shows that the
polymer aluminum or the aluminum electrolytic capacitors can
be used at the outputs.
PV
TRK1
TRK2
IN
EN1
EN2
C IN2
180μF
1μF
D2
VREG
D1
1μF
C IN1
180μF
20V
0.47μF
BST1
BST2
0.47μF
20V
PGND
1.2V, 20A
L2
1μH
M4
DH1 DH2
ADP1829
M1
L1
1μH
1.8V, 20A
C OUT2
820μF
25V
×2
1μF
5600pF
390?
2k?
M6
M5
2 k?
SW1 SW2
CSL1 CSL2
DL1 DL2
PGND1 PGND2
2 k?
M2
M3
2k?
10nF
200?
1μF
C OUT1
1200μF
6.3V
×3
2k?
120nF
1 0k ?
FB1
COMP1
FB2
COMP2
1.5nF
47k?
1k?
4.7nF
FREQ
LDOSD
SYNC
GND
AGND
6.8nF
f OSC = 300kHz
M1, M4: IRLR7807Z
L1, L2: TOKO, FDA1254-1ROM
C OUT1 : SANYO, 2R5SEPC820M
D1, D2: VISHAY, BAT54
M2, M3, M5, M6: IRFR3709Z
C IN1 , C IN2 : SANYO, 20SP180M
C OUT2 : RUBYCON, 6.3ZLG1200M10×16
Figure 34. Application Circuit with 20 A Output Loads
Rev. C | Page 26 of 28
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADP1829-BL1-EVZ | 制造商:Analog Devices 功能描述:BLANK ADISIMPOWER EVAL ADP1829 - Boxed Product (Development Kits) |
| ADP1829-BL2-EVZ | 制造商:Analog Devices 功能描述:Evaluation Board For Dual Interleaved Step-Down DC-To-DC Controller With Tracking 制造商:Analog Devices 功能描述:BLANK ADISIMPOWER EVAL ADP1829 - Boxed Product (Development Kits) |
| ADP1829-EVALZ | 功能描述:BOARD EVALUATION ADP1829 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 |
| 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 |
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