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參數(shù)資料
| 型號： | UTCLM2954 |
| 廠商： | 友順科技股份有限公司 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 300 mA LOW-DROPOUT VOLTAGE REGULATOR |
| 中文描述： | 300毫安低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 64K |
| 代理商： | UTCLM2954 |
UTC LM2954
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R102-002,B
PARAMETER
Input Logic Voltage
PART NUMBER
TEST CONDITIONS
MIN.
TYP.
1.3
MAX.
0.70
UNIT
V
Low(Regulator ON)
High(Regulator OFF)
V
shutdown
=2.4V
V
shutdown
=30V
Vshutdown>=2V,V
IN
<=30V,
V
out
=0,
Feedback pin tied to 5V Tap.
2.0
Shutdown Pin Input
Current
Regulator Output
Current Shutdown
30
50
μ
A
450
3
600
10
μ
A
μ
A
Note 1: Additional conditions for 8-pin versions are feedback tied to 5V Tap an Output tied to Output Sense
(V
out
=5V) and Vshutdown<=0.8V.
Note 2: 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.
Note 3: Comparator thresholds are expressed in terms of percentage value of voltage output.
Note 4: Vref
≤
Vout
≤
(Vin-1V), 2.3V
≤
Vin
≤
30V, 100
μ
A
≤
I
L
≤
100mA, T
J
≤
T
JMAX
APPLICATION CIRCUIT (10A LOW DROPOUT REGULATOR)
CURRENT
LIMIT
SECTION
+V
IN
=V
ou
t+0.5V
+V
IN
ERROR
FB
Vout
GND
SD
UTC LM2954
8
5
7
1
4
3
0.05
470
680
4.7M
20k
220
0.033
μ
F
47
R1
R2
4.7
μ
F
100
μ
F
1%
10k
2N3906
+
V
OUT
10 A
Vout=1.23V*(1+R1/R2)
For 5V output
use internal resistors.Wire pin 6 to 7
and wire pin 2 to +V
out
UTC
D65H0
Fig.2
相關PDF資料 |
PDF描述 |
|---|---|
| UTCLM317L | LOW CURRENT 1.25V TO 37V ADJUSTABLE VOLTAGE REGULATOR |
| UTCLM339 | QUAD DIFFERENTIAL COMPARATOR |
| UTCLM358 | DUAL OPERATIONAL AMPLIFIER |
| UTCLM386 | LOW VOLTAGE AUDIO POWER AMPLIFIER |
| UTCLM393 | DUAL DIFFERENTIAL COMPARATOR |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| UTCLM2954-3.3 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:300 mA LOW-DROPOUT VOLTAGE REGULATOR |
| UTCLM2954-5.0 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:300 mA LOW-DROPOUT VOLTAGE REGULATOR |
| UTCLM317 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:3-TERMINAL 1A POSITIVE ADJUSTABLE VOLTAGE REGULATOR |
| UTCLM317L | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:LOW CURRENT 1.25V TO 37V ADJUSTABLE VOLTAGE REGULATOR |
| UTCLM339 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:QUAD DIFFERENTIAL COMPARATOR |
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