参数资料
| 型号： | SPX2951ACS-L-5-0 |
| 厂商： | Exar Corporation |
| 文件页数： | 3/13页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .15A 8SOIC |
| 标准包装： | 98 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 30V |
| 电压 - 压降（标准）： | 0.3V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
ELECTRICAL CHARACTERISTICS: Continued
Electrical characteristics at V IN = V O +1V, I L =100 μ A, C L =1 μ F (note 2) T A =25 ° C, unless otherwise specified. Boldface applies over
the full operating temperature range.
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Error Comparator
Output Leakage Current
Output Low Voltage
V 0H =30V
V IN =V O -0.5V
0.01
150
1
250
0.01
150
1
250
μ A
mV
I 0L =400 μ A
Upper Threshold Voltage (Note 7)
40
60
40
60
mV
Lower Threshold Voltage (Note 7)
Hysteresis
(Note 7)
75
15
95
75
15
95
mV
mV
Shutdown Input
Input Logic Voltage
Low (Regulator ON)
1.3
0.7
1.3
0.7
V
High (Regulator OFF)
2.0
2.0
V
Shutdown Pin Input Current V S =2.4V
V S =30V
Regulator Output Current (Note 8)
30
400
3
50
800
10
30
400
3
50
800
10
μ A
μ A
μ A
in Shutdown
Note 1: Output or reference voltage temperature coefficients defined as the worst case voltage change divided by
the total temperature range.
Note 2: Unless otherwise specified all limits are guaranteed for T J = 25 ° C, V IN = V O +1V, I L = 100 μ A and C L = 1 μ F.
Additional conditions for the 8-pin versions are feedback tied to 5V tap and output tied to output sense (V OUT = 5V)
and V SHUTDOWN ≤ 0.8V.
Note 3: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes
in output voltage
due to heating effects are covered under the specification for thermal regulation.
Note 4: Line regulation for the SPX2951 is tested at I L = 1mA. See typical performance characteristics for line
regulation versus temperature and load current.
Note 5: Dropout voltage is defined as the input to output differential at which the output voltage drops 100mV below
its nominal value measured at 1V differential. At very low values of programmed output voltage, the minimum input
supply voltage of 2V ( 2.3V over temperature) must be taken into account.
Note 6: V REF ≤ V OUT ≤ (V IN -1V),2.3 ≤ V IN ≤ 30V, 100 μ A ≤ I L ≤ 150mA, T J ≤ T JMAX .
Note 7: Comparator thresholds are expressed in terms of a voltage differential at the feedback terminal below the
nominal reference voltage measured at 6V input. To express these thresholds in terms of output voltage change,
multiply by the error amplifier gain = V OUT /V REF = (R 1 + R 2 )/R 2. For example, at a programmed output voltage of 5V,
the error output is guaranteed to go low when the output drops by 95mV x 5V/1.235 = 384mV. Thresholds remain
constant as a percent of V OUT as V OUT is varied, with the dropout warning occurring at typically 5% below nominal,
7.5% guaranteed.
Note 8: V SHUTDOWN ≥ 2V, V IN ≤ 30V, V OUT = 0, Feedback pin tied to 5V/ 3.3V tap.
DATE: 1 2/01 /04
SPX2950/SPX2951 150mA Low Dropout Voltage Regulator
3
?Copyright 2004 Sipex Corporation
相关PDF资料 |
PDF描述 |
|---|---|
| SPX2954S-L-5-0 | IC REG LDO 5V .25A 8SOIC |
| SPX3819M5-L-3-0 | IC REG LDO 3V .5A SOT23-5 |
| SPX3819R2-L | IC REG LDO ADJ .5A 8DFN |
| SPX385AM-L-2-5/TR | IC VREF SHUNT PREC 2.5V SOT-23-3 |
| SPX385AM-L-5-0/TR | IC VREF SHUNT PREC 5V SOT-23-3 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX2951ACS-L-5-0/TR | 功能描述:低压差稳压器 - LDO 150mA LOW DROPOUT 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 |
| SPX2951CS-3.0 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:150mA Low Dropout Voltage Regulators |
| SPX2951CS-3.3 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:150mA Low Dropout Voltage Regulator |
| SPX2951CS-5.0 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:150mA Low Dropout Voltage Regulator |
| SPX2951CS-L-3-3 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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