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| 型号： | SPX29302T5-L |
| 厂商： | Exar Corporation |
| 文件页数： | 3/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 3A TO263-5 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 可调至 1.25V |
| 输入电压： | 2.8 V ~ 16 V |
| 电压 - 压降（标准）： | 0.6V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 电流 - 限制（最小）： | 3A |
| 工作温度： | -40°C ~ 125°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： | TO-263-5 |
| 包装： | 管件 |
| 其它名称： | 1016-1243-5 |
S P X 2 9 3 0 0 / 0 1 / 0 2
3 A L o w D r o p o u t V o l t a g e R e g u l a t o r
Parameter
Min.
Typ.
Max.
Units
Conditions
Power Good Flag Output – SPX29301
Output Leakage Current
Output Low Voltage
0.01
220
1
2
300
400
μA
mV
?
?
V OH =16V
Device set for 5V, V IN =4.5V, I OL =250μA
Upper Threshold Voltage
40
25
60
mV
?
Device set for 5V, Note 8
Lower Threshold Voltage
Hysteresis
75
15
95
140
mV
mV
?
Device set for 5V, Note 8
Device set for 5V, Note 8
Enable Input – SPX29301/02
Input Logic Voltage Low (OFF)
Input Logic Voltage High (ON)
Enable Input Pin
Regulator Output Current in
Shutdown
2.4
100
10
0.8
600
750
1
2
500
V
μA
μA
?
?
?
?
?
?
V IN <10V
V EN =16V
V EN =0.8V
Note 9
Note 2: Full load current (I FL ) is defined as 3.0A.
Note 3: Dropout voltage is defined (V IN -V OUT ) when the output voltage drops to 99% of its nominal value.
Note 4: V IN =V OUT (nom)+1V. Use pulse-testing procedures to minimize temperature rise.
Note 5: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the
load current to the ground current.
Note 6: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature
range
Note 7: Thermal regulation is defined as the change in output voltage at time T after a change in power dissipation is
applied, excluding load/line regulation effects. Specifications for a 200mA load pulse as V IN =20V (a 4W pulse) for t=10ms.
Note 8: Comparator threshold is expressed in terms of a voltage differential at the Adjust terminal below the nominal
reference voltage measured 6V input. To express these thresholds in terms of output voltage change, multiply the error
amplifier gain = V OUT /V REF = (R1 + R2)/R2. For example, at a programmable output voltage of 5V, the Error output is
guaranteed to go low when the output drops by 95mVx 5V/ 1.240V = 383mV. Threshold remain constant as a percent of
V OUT as V OUT is varied, with the dropout warning occurring at typically 5% below nominal, 7.7% guaranteed.
Note 9: V EN ≤ 0.8V and V IN ≤ 16V, V OUT = 0.
BLOCK DIAGRAM
Fig. 2: SPX29300/01/02 Block Diagram
? 2010 Exar Corporation
3/10
Rev. 2.1.0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX29302T5-L/TR | 功能描述:低压差稳压器 - LDO 3A LOW DROPOUT WITH ENABLE 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 |
| SPX29302U5-L | 功能描述:低压差稳压器 - LDO 3A LOW DROPOUT WITH ENABLE 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 |
| SPX29303 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:3A High Current, Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response Time |
| SPX2930M1-3.0 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:150 mA Low Dropout Voltage Regulator |
| SPX2930M1-3.3 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:150mA Low Dropout Voltage Regulator |
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