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參數(shù)資料
| 型號(hào)： | CLM2951AC |
| 廠商： | CALOGIC LLC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 150mA Low Dropout Voltage Regulators |
| 中文描述： | 150mA的低壓差穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 3/10頁(yè) |
| 文件大?。?/td> | 154K |
| 代理商： | CLM2951AC |
CLM2950 / CLM2951
CORPORATION
BLOCK DIAGRAM
ERROR DETECTION
COMPARATOR
1D-48
1
μ
F
REFERENCE
1.23V
UNREGULATED DC
ERROR
AMPLIFIER
60mV
+
+
TO CMOS OR
TTL
330k
FROM
CMOS
OR TTL
+
+
5V @ 150mA
MAX
60k
CLM2950 AND CLM2951 BLOCK DIAGRAM
180k
8
1
7
SENSE
6
2
4
5
5V TAP
ERROR
GROUND
INPUT
OUTPUT
FEEDBACK
SHUTDOWN
3
–
+
–
+
CALOGIC CORPORATION
, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
ELECTRICAL CHARACTERISTICS
(continued)
PARAMETER
CLM2951
CLM2950AC
CLM2951AC
MIN
TYP
CLM2950C
CLM2951C
MIN
TYP
UNITS
CONDITIONS
(Note 2)
MIN
TYP
MAX
MAX
MAX
ERROR COMPARATOR
Output Leakage Current
Output Low Voltage
Upper Threshold Voltage
Lower Threshold Voltage
Hysteresis
SHUTDOWN INPUT
0.01
150
60
75
15
1
0.01
150
60
75
15
1
0.01
150
60
75
15
1
μ
A
mV
mV
mV
mV
V
oh
= 30V
V
IN
= 4.5V, I
OL
= 400
μ
A
(Note 8)
(Note 8)
(Note 8)
250
250
250
40
40
40
95
95
95
Input Logic Voltage
2
1.3
0.6
2
1.3
0.7
2
1.3
0.7
V
V
μ
A
μ
A
Low (Regulator ON)
High (Regulator OFF)
V
S
= 2.4V
V
S
= 30V
Shutdown Pin
Input Current
Regulator Output Current
In Shutdown
30
675
50
800
30
675
50
800
30
675
50
800
3
10
3
10
3
10
μ
A
(Note 9)
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 guaranteed for T
J
= 25
o
C, V
IN
= 6V, 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 CLM2951 is tested at 150
o
C for I
L
= 1mA. For I
L
= 100
μ
A and T
J
= 125
o
C, line regulation is guaranteed by design
to 0.2%. 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 input 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:
Output or reference voltage temperature coefficient is defined as the worst case voltage change divided by the total temprtature range.
Note 8:
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
=
(R1+R2)/R2. 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 9:
V
SHUTDOWN
≥
2V, V
IN
≤
30V, V
OUT
= 0, Feedback pin tied to 5V Tap.
Note 10:
All typical values are not guaranteed.
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PDF描述 |
|---|---|
| CLM2951ACP-X | 150mA Low Dropout Voltage Regulators |
| CLM2951ACS-X | 150mA Low Dropout Voltage Regulators |
| CLM2951C | 150mA Low Dropout Voltage Regulators |
| CLM2951CP-X | 150mA Low Dropout Voltage Regulators |
| CLM2951CS-X | 150mA Low Dropout Voltage Regulators |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CLM2951ACP-X | 制造商:CALOGIC 制造商全稱:CALOGIC 功能描述:150mA Low Dropout Voltage Regulators |
| CLM2951ACS-X | 制造商:CALOGIC 制造商全稱:CALOGIC 功能描述:150mA Low Dropout Voltage Regulators |
| CLM2951C | 制造商:CALOGIC 制造商全稱:CALOGIC 功能描述:150mA Low Dropout Voltage Regulators |
| CLM2951CP-X | 制造商:CALOGIC 制造商全稱:CALOGIC 功能描述:150mA Low Dropout Voltage Regulators |
| CLM2951CS-X | 制造商:CALOGIC 制造商全稱:CALOGIC 功能描述:150mA Low Dropout Voltage Regulators |
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