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参数资料
| 型号： | RC1587T |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 可调正电压单路输出LDO稳压器 |
| 英文描述： | 1.5 V-3.6 V ADJUSTABLE POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSFM3 |
| 封装： | PLASTIC, TO-220, 3 PIN |
| 文件页数： | 12/18页 |
| 文件大小： | 438K |
| 代理商： | RC1587T |
PRODUCT SPECIFICATION
RC1587
REV. 1.5.4 3/25/02
3
Electrical Characteristics
Tj = 25°C unless otherwise specied.
The
denotes specications which apply over the specied operating temperature range.
Notes:
1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are
measured at a constant junction temperature by low duty cycle pulse testing.
2. Line and load regulation are guaranteed up to the maximum power dissipation (18W). Power dissipation is determined by
input/output differential and the output currrent. Guaranteed maximum output power will not be available over the full input/
output voltage range.
3. RC1587 only.
4. RC1587-1.5 only.
5. RC1587-3.3 only.
Parameter
Conditions
Min.
Typ.
Max
Units
Reference Voltage3
1.5V
≤ (VIN – VOUT) ≤ 5.75V,
10mA
≤ IOUT ≤ 3A
1.225
(-2%)
1.250
1.275
(+2%)
V
Output Voltage4
3.3V
≤ VIN ≤ 7V
10mA
≤ IOUT ≤ 3A
1.47
1.5
1.53
V
Output Voltage5
5.1V
≤ VIN ≤ 7V
10mA
≤ IOUT ≤ 3A
3.234
3.3
3.366
V
Line Regulation1, 2
(VOUT + 1.5V)
≤ VIN ≤ 7V,
IOUT
= 10mA
0.005
0.2
%
Load Regulation1, 2
(VIN – VOUT) = 3V
10mA
≤ IOUT ≤ 3A
0.05
0.5
%
Dropout Voltage
VREF = 1%, IOUT = 3A
1.150
1.300
V
Current Limit
(VIN – VOUT) = 2V
3.1
4
A
Adjust Pin Current3
35
120
A
Adjust Pin Current Change3 1.5V
≤ (VIN – VOUT) ≤ 5.75V,
10mA
≤ IOUT ≤ 3A
0.2
5
A
Minimum Load Current
1.5V
≤ (VIN – VOUT) ≤ 5.75V
10
mA
Quiescent Current
VIN = 5V
413
mA
Ripple Rejection
f = 120Hz, COUT = 22
F Tantalum,
(VIN – VOUT) = 3V, IOUT = 3A
60
72
dB
Thermal Regulation
TA = 25
°C, 30ms pulse
0.004
0.02
%/W
Temperature Stability
0.5
%
Long-Term Stability
TA = 125
°C, 1000 hrs.
0.03
1.0
%
RMS Output Noise
(% of VOUT)
TA = 25
°C, 10Hz ≤ f ≤ 10kHz
0.003
%
Thermal Resistance,
Junction to Case
TO-220
3
°C/W
TO-263, TO-252
3
°C/W
Thermal Shutdown
150
°C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| RC1587T_32 | 功能描述:低压差稳压器 - 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 |
| RC1587T-1.5 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Positive Fixed Voltage Regulator |
| RC1587T15 | 功能描述:低压差稳压器 - LDO 3A Low Dropout Lin 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 |
| RC1587T15_32 | 功能描述:低压差稳压器 - LDO 3a Lin Reg 1.5V 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 |
| RC1587T15_36 | 功能描述:低压差稳压器 - 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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