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参数资料
| 型号： | REG1117FA/KTTT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 可调正电压单路输出LDO稳压器 |
| 英文描述： | 1.225 V-1.28 V ADJUSTABLE POSITIVE LDO REGULATOR, 1.55 V DROPOUT, PSSO3 |
| 封装： | PLASTIC, TO-263, D2PAK-3 |
| 文件页数： | 18/22页 |
| 文件大小： | 655K |
| 代理商： | REG1117FA/KTTT |
REG1117
REG1117A
SBVS001D OCTOBER 1992 REVISED JULY 2004
www.ti.com
5
ELECTRICAL CHARACTERISTICS (continued)
At TJ = +25°C, unless otherwise noted.
REG1117, REG1117A
PARAMETER
UNIT
MAX
TYP
MIN
CONDITION
CURRENT LIMIT
REG1117 Models
VIN VO = 5V
800
950
1200
mA
REG1117A
VIN VO = 5V
1000
1250
1600
mA
MINIMUM LOAD CURRENT
Adjustable Models(1)(2)
VIN VO = 13.75V
1.7
5
mA
QUIESCENT CURRENT
Fixed-Voltage Models(1)
VIN VO = 5V
4
10
mA
ADJUSTABLE PIN CURRENT(1)(2)
IO = 10mA, VIN VO = 1.4 to 10V
50
120
A
vs Load Current, REG1117(1)
IO = 10mA to 800mA, VIN VO = 1.4 to 10V
0.5
5
A
vs Load Current, REG1117A(1)
IO = 10mA to 1A, VIN VO = 1.4 to 10V
0.5
5
A
THERMAL REGULATION
All Models(4)
30ms Pulse
0.01
0.1
%/W
RIPPLE REJECTION
All Models
f = 120Hz, VIN VOUT = 3V + 1VPP Ripple
62
dB
TEMPERATURE DRIFT
Fixed-Voltage Models
TJ = 0
°C to +125°C
0.5
%
Adjustable Models
TJ = 0
°C to +125°C
2
%
LONG-TERM STABILITY
All Models
TA = 125°C, 1000Hr
0.3
%
OUTPUT NOISE
rms Noise, All Models
f = 10Hz to 10kHz
0.003
%
THERMAL RESISTANCE
Thermal Resistance,
qJC
(Junction-to-Case at Tab)
3-Lead SOT-223 Surface-Mount
15
°C/W
3-Lead DDPAK Surface-Mount
f > 50Hz
2
°C/W
dc
3
°C/W
Thermal Resistance,
qJA
(Junction-to-Case at Tab)
3-Lead DDPAK Surface-Mount
No Heatsink
65
°C/W
(1) Specification applies over the full specified junction temperature range, 0°C to +125°C.
(2) REG1117 and REG1117A adjustable versions require a minimum load current for ±3% regulation.
(3) Dropout voltage is the input voltage minus output voltage that produces a 1% decrease in output voltage.
(4) Percentage change in unloaded output voltage before versus after a 30ms power pulse of IO = 800mA (REG1117 models), IO = 1A (REG1117A),
VIN VO = 1.4V (reading taken 10ms after pulse).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| REG1117FAKTTTG3 | 功能描述:低压差稳压器 - LDO 800mA & 1A 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 |
| REG1117FA-TR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Positive Adjustable Voltage Regulator |
| REG1117G4 | 功能描述:低压差稳压器 - LDO 800mA & 1A 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 |
| REG1117TR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Positive Adjustable Voltage Regulator |
| REG1118 | 制造商:BB 制造商全称:BB 功能描述:800mA Low Dropout Positive Regulator with Current Source and Sink Capability |
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