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参数资料
| 型号： | NCV87721D5S50R4G |
| 厂商： | ON Semiconductor |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .35A D2PAK5 |
| 标准包装： | 800 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 5.5 V ~ 40 V |
| 电压 - 压降（标准）： | 0.44V @ 350mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 350mA |
| 电流 - 限制（最小）： | 400mA |
| 工作温度： | -40°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | D2PAK-5 |
| 包装： | 带卷 (TR) |
NCV8772
P D + V in I q @I out ) I out V in * V out
V in(max) +
RESET DELAY AND RESET THRESHOLD OPTIONS
(D2PAK ? 7)
DT = GND DT = V out
Reset Reset Reset
Time Time Threshold
NCV87721D7S 8 ms 128 ms 93%
NCV87722D7S 8 ms 32 ms 93%
NCV87723D7S 16 ms 64 ms 93%
NCV87724D7S 32 ms 128 ms 93%
dissipate up to 2.35 W (for D2PAK ? 5) when the ambient
temperature (T A ) is 25 ° C. See Figure 34 for R q JA versus
PCB area. The power dissipated by the NCV8772 can be
calculated from the following equations:
(eq. 2)
or
P D(max) ) V out I out
(eq. 3)
I out ) I q
NCV87725D7S
NCV8772AD7S
NCV8772BD7S
NCV8772CD7S
NCV8772DD7S
NCV8772ED7S
4 ms
8 ms
8 ms
16 ms
32 ms
4 ms
8 ms
128 ms
32 ms
64 ms
128 ms
8 ms
93%
90%
90%
90%
90%
90%
NOTE:
100
90
80
Items containing I q can be neglected if I out >> I q .
NOTE:
The timing values can be selected from the following list:
70
4, 8, 16, 32, 64, 128 ms. Contact factory for options not
included in ORDERING INFORMATION table on page 14.
60
PCB 1 oz Cu
Thermal Considerations
As power in the NCV8772 increases, it might become
necessary to provide some thermal relief. The maximum
power dissipation supported by the device is dependent
50
40
0
100
PCB 2 oz Cu
200 300 400 500 600
700
T J(max) * T A
P D ( max ) +
upon board design and layout. Mounting pad configuration
on the PCB, the board material, and the ambient temperature
affect the rate of junction temperature rise for the part. When
the NCV8772 has good thermal conductivity through the
PCB, the junction temperature will be relatively low with
high power applications. The maximum dissipation the
NCV8772 can handle is given by:
(eq. 1)
R q JA
Since T J is not recommended to exceed 150 ° C, then the
NCV8772 soldered on 645 mm 2 , 1 oz copper area, FR4 can
ORDERING INFORMATION
Reset Delay Time
COPPER HEAT SPREADER (mm 2 )
Figure 34. Thermal Resistance vs. PCB Copper Area
(D2PAK ? 5)
Hints
V in and GND printed circuit board traces should be as
wide as possible. When the impedance of these traces is
high, there is a chance to pick up noise or cause the regulator
to malfunction. Place external components, especially the
output capacitor, as close as possible to the NCV8772 and
make traces as short as possible.
Device
NCV87722DT50RKG
NCV87721D5S50R4G
NCV87725D7S50R4G
NCV87722DT33RKG
NCV87722D5S33R4G
Output Voltage
5.0 V
5.0 V
5.0 V
3.3 V
3.3 V
(DT = GND/V out
for D2PAK ? 7)
16 ms
8 ms
4/8 ms
16 ms
16 ms
Reset Threshold
93%
93%
93%
93%
93%
Marking
772250G
NC
V8772150
NC
V8772550
772233G
NC
V8772233
Package
DPAK ? 5
(Pb ? Free)
D2PAK ? 5
(Pb ? Free)
D2PAK ? 7
(Pb ? Free)
DPAK ? 5
(Pb ? Free)
D2PAK ? 5
(Pb ? Free)
Shipping ?
2500 /
Tape & Reel
800 /
Tape & Reel
750 /
Tape & Reel
2500 /
Tape & Reel
800 /
Tape & Reel
?For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCV87721D7S | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Ultra Low Iq 350 mA LDO Regulator with Enable and |
| NCV87722D5S33R4G | 功能描述:IC REG LDO 3.3V .35A D2PAK-F RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 稳压器拓扑结构:正，固定式或可调式 输出电压:3.3V，2.5 V ~ 11 V 输入电压:6.5 V ~ 45 V 电压 - 压降（标准）:0.9V @ 400mA 稳压器数量:1 电流 - 输出:400mA（最小） 电流 - 限制（最小）:- 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:16-WQFN 裸露焊盘 供应商设备封装:16-TQFN-EP（5x5） 包装:带卷 (TR) |
| NCV87722D7S | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Ultra Low Iq 350 mA LDO Regulator with Enable and |
| NCV87722DT33RKG | 功能描述:IC REG LDO 3.3V .35A DPAK-4 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:2,000 系列:- 稳压器拓扑结构:正，可调式 输出电压:1.2 V ~ 5 V 输入电压:2.5 V ~ 7 V 电压 - 压降（标准）:0.24V @ 800mA 稳压器数量:1 电流 - 输出:800mA 电流 - 限制（最小）:1.2A 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-261-5，TO-261AB 供应商设备封装:SOT-223-5 包装:带卷 (TR) 其它名称:*LP3964EMPX-ADJLP3964EMPX-ADJLP3964EMPX-ADJ-NDLP3964EMPX-ADJ/NOPBTR |
| NCV87722DT50RKG | 功能描述:低压差稳压器 - LDO 5.0V / 350MA LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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