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参数资料
| 型号： | TPS793285DBVRQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 2.85 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO5 |
| 封装： | PLASTIC, SOT-23, 5 PIN |
| 文件页数： | 15/16页 |
| 文件大小： | 356K |
| 代理商： | TPS793285DBVRQ1 |
TPS79301Q1,'79318Q1, '79325Q1
'79328Q1,'793285Q1,'79330Q1
TPS79333Q1,'793475Q1
SGLS162B APRIL 2003 REVISED JUNE 2005
www.ti.com
8
TYPICAL CHARACTERISTICS
Figure 10
10
100
1 k
10 k
10
40
80
100 k
1 M
10 M
Ripple
Rejection
dB
f Frequency Hz
TPS79328
RIPPLE REJECTION
vs
FREQUENCY
IO = 10 mA
50
0
VI = 3.8 V
Co = 10 F
C(byp) = 0.01 F
IO = 200 mA
20
30
60
70
90
100
Figure 11
10
100
1 k
10 k
20
60
100
100 k
1 M
10 M
Ripple
Rejection
dB
f Frequency Hz
TPS79328
RIPPLE REJECTION
vs
FREQUENCY
VI = 3.8 V
Co = 2.2 F
C(byp) = 0.01 F
IO = 10 mA
IO = 200 mA
40
70
90
30
50
80
10
0
Figure 12
10
100
1 k
10 k
20
60
100
100 k
1 M
10 M
Ripple
Rejection
dB
f Frequency Hz
TPS79328
RIPPLE REJECTION
vs
FREQUENCY
VI = 3.8 V
Co = 2.2 F
C(byp) = 0.1 F
IO = 10 mA
IO = 200 mA
40
70
90
30
50
80
10
0
Figure 13
3
TPS79328
OUTPUT VOLTAGE, ENABLE VOLTAGE
vs
TIME (START-UP)
V
O
t Time
s
060
40
20
80 100
140
120
160 180 200
Output
V
oltage
V
VI = 3.8 V
VO = 2.8 V
IO = 200 mA
Co = 2.2 F
TJ = 25°C
Enable
V
oltage
V
1
2
0
2
C(byp) = 0.0047 F
C(byp) = 0.01 F
4
C(byp) = 0.001 F
Figure 14
TPS79328
LINE TRANSIENT RESPONSE
V
O
t Time
s
030
20
10
40
50
70
60
80
90 100
Output
V
oltage
mV
IO = 200 mA
Co = 2.2 F
C(byp) = 0.01 F
V
I
Input
V
oltage
0
-20
3.8
dv
dt
+
0.4 V
s
mV
20
4.8
Figure 15
t Time
s
TPS79328
LOAD TRANSIENT RESPONSE
0
150
100
50
200 250
350
300
400 450
20
0
20
V
O
Output
V
oltage
mV
Change
In
100
500
Output
Current
mA
I
O
VI = 3.8 V
Co = 10 F
40
200
300
di
dt
+
0.02A
s
1mA
Figure 16
500
mV/div
1s/div
POWER UP / POWER DOWN
VI
VO
VO = 3 V
RL = 15
Figure 17
100
50
0
20
40 60
80 100 120
DC
Dropuoy
V
oltage
mV
150
200
DC DROPOUT VOLTAGE
vs
OUTPUT CURRENT
250
140 160 180 200
0
IO Output Current mA
TJ = 125°C
TJ = 25°C
TJ = 55°C
Figure 18
0
50
100
150
200
2.5
3
3.5
4
4.5
5
TPS79301
DROPOUT VOLTAGE
vs
INPUT VOLTAGE
VI Input Voltage V
Dropout
V
oltage
mV
V
DO
IO = 200 mA
TJ = 25°C
TJ = 40°C
TJ = 125°C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS793285DBVT | 功能描述:低压差稳压器 - LDO High PSRR Fast RF High-Enable 200mA 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 |
| TPS793285DBVTG4 | 功能描述:低压差稳压器 - LDO High PSRR Fast RF High-Enable 200mA 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 |
| TPS793285QDBVRQ1 | 功能描述:低压差稳压器 - LDO Ultra Lo Noise Hi PSRR Fast RF 200mA 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 |
| TPS793285QDBVRSV | 制造商:Texas Instruments 功能描述: |
| TPS793285YEQEVM | 功能描述:电源管理IC开发工具 TPS793285YEQ Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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