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參數(shù)資料
| 型號(hào)： | MC33765 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Very Low Dropout/Ultra Low Noise 5 Outputs Voltage Regulator(低壓差/超低噪聲5路輸出穩(wěn)壓器) |
| 中文描述： | 非常低壓差/ 5超低噪音輸出穩(wěn)壓器（低壓差/超低噪聲5路輸出穩(wěn)壓器） |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 230K |
| 代理商： | MC33765 |
MC33765
http://onsemi.com
4
REGULATOR ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
(For typical values T
A
= 25
°
C, for min/max values T
A
=
40
°
C to +85
°
C/ Max T
J
= 125
°
C)
Characteristics
Symbol
Pin #
Min
Typ
Max
Unit
Supply and Output Voltages, Dropout and Load Regulation
Supply Voltage V
CC
MC33765 (2.8V)
V
CC1,
V
CC2
15, 10
3.0
3.6
5.3
V
Regulator Output Voltage for VR1, VR2, VR3, VR4 and VR5
V
OUT(1
5)
14, 13, 12,
11, 9
14, 13,
12, 9
11
V
MC33765 (2.8V)
2.7
2.8
0.11
2.85
0.17
Dropout Voltage for VR1, VR2, VR3, VR5 (Note 1)
V
CC
V
OUT
V
Dropout Voltage for VR4 (Note 1)
V
CC
V
OUT4
0.17
0.30
V
Load Regulation (T
A
= 25
°
C)
Reg
load(1
5)
9, 11, 12,
0.5
mV/
mA
13, 14
Max Power Dissipation and Total DC Output Current (VR1 + VR2 + VR3 + VR4 + VR5) (Note 2)
Max Power Dissipation at V
CC
= 5.3 V (T
A
= 85
°
C)
Max. Total RMS Output Current at V
CC
= 5.3 V (T
A
= 85
°
C)
Max Power Dissipation at V
CC
= 5.3 V (T
A
= 25
°
C)
Max. Total RMS Output Current at V
CC
= 5.3 V (T
A
= 25
°
C)
Output Currents (Note 3)
Regulator VR1 Output Current
P
dmax
I
RMS
P
dmax
I
RMS
285
130
700
250
mW
mA
mW
mA
I
OUT1
14
10
30
mA
Regulator VR2 Output Current
I
OUT2
13
10
40
mA
Regulator VR3 Output Current
I
OUT3
12
0
50
mA
Regulator VR4 Output Current
I
OUT4
11
10
150
Regulator VR5 Output Current
I
OUT5
9
10
60
mA
Current Limit for VR1, VR2, VR3, VR4, VR5
[Twice the max Output Current for each output]
External Capacitors
External Compensation Capacitors for VR1, VR2, VR4, VR5
I
MAX
14, 13, 12,
11, 9
2 X I
OUT
(1
5)
mA
C
(1
2, 4
5)
14, 13, 11, 9
0.10
1.0
F
External Compensation Capacitors for VR3
C
4
12
1.0
F
External Compensation Capacitors ESR
0.05
1.0
3.0
Ripple Rejections
Ripple Rejection VR1, VR2, VR4, VR5
( V
OUT
)
( V
CC
)
( V
OUT
)
( V
CC
)
( V
OUT
)
( V
CC
)
( V
OUT
)
( V
CC
)
( V
OUT
)
( V
CC
)
14, 13,
50
60
dB
(at Max. Current, 1.0 kHz, C = 100 nF)
11, 9
Ripple Rejection VR1, VR2, VR4, VR5
14, 13,
40
45
dB
(at Max. Current, f = 10 kHz, C = 100 nF)
11, 9
Ripple Rejection of VR3
12
50
60
dB
(at Max. Current, f = 1.0 kHz, C = 1.0 F)
Ripple Rejection of VR3
12
40
45
dB
(at Max. Current, f = 10 kHz, C = 1.0 F)
Ripple Rejection of VR3
12
18
22
dB
(at Max. Current, f = 100 kHz, C = 1.0 F)
1. Typical dropout voltages have been measured at currents: Output1: 25 mA, Output2: 35 mA, Output3: 40 mA, Output4: 140 mA, Output5: 40 mA
Maximum value of dropout voltages are measured at maximum specified current.
2. See package power dissipation and thermal protection.
3. Maximum Output Currents are peak values. Total DC current have to be set upon maximum power dissipation specification.
Only Output 3 has been designed to be stable at minimum current of 0 mA.
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