参数资料
型号: ADP1821ARQZ-R7
厂商: Analog Devices Inc
文件页数: 5/24页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 16-QSOP
标准包装: 1
PWM 型: 电压模式
输出数: 1
频率 - 最大: 720kHz
占空比: 90%
电源电压: 3.7 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
包装: 标准包装
产品目录页面: 791 (CN2011-ZH PDF)
其它名称: ADP1821ARQZ-R7DKR

ADP1821
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
VCC, SHDN, SYNC, FREQ, COMP, SS, FB to
GND, PVCC to PGND, BST to SW
BST to GND
CSL to GND
DH to GND
DL to PGND
SW to GND
PGND to GND
θ JA , 2-Layer (SEMI Standard Board)
θ JA , 4-Layer (JEDEC Standard Board)
Operating Ambient Temperature Range
Operating Junction Temperature Range
Storage Temperature Range
Maximum Soldering Lead Temperature
SIMPLIFIED BLOCK DIAGRAM
SHDN
VCC
GND
Rating
?0.3 V to +6 V
?0.3 V to +30 V
?1 V to +30 V
(V SW ? 0.3 V) to
(V BST + 0.3 V)
?0.3 V to
(V PVCC + 0.3 V)
?2 V to +30 V
±2 V
150°C/W
105°C/W
?40°C to +85°C
?55°C to +125°C
?65°C to +150°C
260°C
UVLO
THERMAL
SHUTDOWN
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
Absolute maximum ratings apply individually only, not in
combination. Unless otherwise specified, all other voltages
are referenced to GND.
ESD CAUTION
ADP1821
LOGIC
FAULT
BST
DH
FREQ
SYNC
COMP
OSCILLATOR
S
PWM
Q
SW
PVCC
R
VCC
Q
DL
PGND
CSL
FB
0.6V
OV
SS
100k ?
2.5k ?
0.8V
REFERENCE
UV
PWGD
FAULT
UVLO
THSD
Figure 3. Simplified Block Diagram
Rev. C | Page 5 of 24
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ADP1822ARQZ-R7 功能描述:IC REG CTRLR BUCK PWM VM 24-QSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:75 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.3 V ~ 13.5 V 降压:是 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:0°C ~ 70°C 封装/外壳:8-SOIC(0.154",3.90mm 宽) 包装:管件 产品目录页面:1051 (CN2011-ZH PDF) 其它名称:296-2543-5