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MC33765 데이터시트 PDF




ON Semiconductor에서 제조한 전자 부품 MC33765은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 MC33765 기능
기능 Very Low Dropout/Ultra Low Noise 5 Outputs Voltage Regulator
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MC33765 데이터시트, 핀배열, 회로
MC33765
Very Low Dropout/
Ultra Low Noise
5 Outputs Voltage Regulator
The MC33765 is an ultra low noise, very low dropout voltage
regulator with five independent outputs which is available in TSSOP
16 surface mount package.
The MC33765 is available in 2.8 V. The output voltage is the same
for all five outputs but each output is capable of supplying different
currents up to 150 mA for output 4. The device features a very low
dropout voltage (0.11 V typical for maximum output current), very
low quiescent current (5.0 mA maximum in OFF mode, 130 mA typical
in ON mode) and one of the output (output 3) exhibits a very low noise
level which allows the driving of noise sensitive circuitry. Internal
current and thermal limiting protections are provided.
Additionally, the MC33765 has an independent Enable input pin for
each output. It includes also a common Enable pin to shutdown the
complete circuit when not used. The Common Enable pin has the
highest priority over the five independent Enable input pins.
The voltage regulators VR1, VR2 and VR3 have a common input
voltage pin VCC1.
The other voltage regulators VR4 and VR5 have a common input
voltage pin VCC2.
Five Independent Outputs at 2.8V Typical, based upon voltage
version
Internal Trimmed Voltage Reference
Vout Tolerance ±3.0% over the Temperature Range –40°C to +85°C
Enable Input Pin (Logic–Controlled Shutdown) for Each of the Five
Outputs
Common Enable Pin to Shutdown the Whole Circuit
Very Low Dropout Voltage (0.11 V Typical for Output 1, 2, 3 and 5;
0.17 V Typical for Output 4 at Maximum Current)
Very Low Quiescent Current (Maximum 5.0 µA in OFF Mode,
130 µA Typical in ON Mode)
Ultra Low Noise for VR3 (30 µV RMS Max, 100 Hz < f < 100 kHz)
Internal Current and Thermal Limit
100 nF for VR1, VR2, VR4 and VR5 and 1.0 µF for VR3 for
Stability
Supply Voltage Rejection: 60 dB (Typical) @ f = 1.0 kHz
http://onsemi.com
MARKING
DIAGRAMS
16
TSSOP–16
MC33
16
DTB SUFFIX
765
CASE 948F
ALYW
11
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
PIN CONNECTIONS
Bypass
Common Enable
On/Off V–Reg. 1
On/Off V–Reg. 2
On/Off V–Reg. 3
On/Off V–Reg. 4
On/Off V–Reg. 5
GND
1
2
3
4
5
6
7
8
16 Not Connected
15 VCC1
14 Output V–Reg. 1
13 Output V–Reg. 2
12 Output V–Reg. 3
11 Output V–Reg. 4
10 VCC2
9 Output V–Reg. 5
(Top View)
ORDERING INFORMATION
Device
Package
Shipping
MC33765DTB
TSSOP16 96 Units/Rail
MC33765DTBR2
TSSOP16 2500 Units/Reel
© Semiconductor Components Industries, LLC, 2000
April, 2000 – Rev. 2
1
Publication Order Number:
MC33765/D




MC33765 pdf, 반도체, 판매, 대치품
MC33765
REGULATOR ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS (For typical values TA = 25°C, for min/max values TA = –40°C to +85°C/ Max TJ = 125°C)
Characteristics
Symbol
Pin # Min Typ Max Unit
Supply and Output Voltages, Dropout and Load Regulation
Supply Voltage VCC
MC33765 (2.8V) VCC1, VCC2
15, 10
3.0
3.6
5.3 V
Regulator Output Voltage for VR1, VR2, VR3, VR4 and VR5
MC33765 (2.8V)
VOUT(1–5)
14, 13, 12,
11, 9
2.7
V
2.8 2.85
Dropout Voltage for VR1, VR2, VR3, VR5 (Note 1.)
VCC–VOUT
14, 13,
0.11 0.17 V
12, 9
Dropout Voltage for VR4 (Note 1.)
VCC–VOUT4
11
– 0.17 0.30 V
Load Regulation (TA = 25°C)
Regload(1–5)
9, 11, 12,
13, 14
– 0.5 mV/
mA
Max Power Dissipation and Total DC Output Current (VR1 + VR2 + VR3 + VR4 + VR5) (Note 2.)
Max Power Dissipation at VCC = 5.3 V (TA = 85°C)
Max. Total RMS Output Current at VCC = 5.3 V (TA = 85°C)
Max Power Dissipation at VCC = 5.3 V (TA = 25°C)
Max. Total RMS Output Current at VCC = 5.3 V (TA = 25°C)
Output Currents (Note 3.)
Pdmax
IRMS
Pdmax
IRMS
– – 285 mW
– – 130 mA
– – 700 mW
– – 250 mA
Regulator VR1 Output Current
IOUT1
14 10 – 30 mA
Regulator VR2 Output Current
IOUT2
13 10 – 40 mA
Regulator VR3 Output Current
IOUT3
12 0 – 50 mA
Regulator VR4 Output Current
IOUT4
11 10 – 150 mA
Regulator VR5 Output Current
IOUT5
9 10 – 60 mA
Current Limit for VR1, VR2, VR3, VR4, VR5
[Twice the max Output Current for each output]
IMAX
14, 13, 12,
11, 9
– 2 X IOUT –
(1–5)
mA
External Capacitors
External Compensation Capacitors for VR1, VR2, VR4, VR5
C(1–2, 4–5) 14, 13, 11, 9 0.10
1.0 mF
External Compensation Capacitors for VR3
External Compensation Capacitors ESR
C4 12 1.0 – – mF
0.05 1.0
3.0 W
Ripple Rejections
Ripple Rejection VR1, VR2, VR4, VR5
(at Max. Current, 1.0 kHz, C = 100 nF)
(DVOUT )
(DVCC )
14, 13,
11, 9
50
60
– dB
Ripple Rejection VR1, VR2, VR4, VR5
(at Max. Current, f = 10 kHz, C = 100 nF)
(DVOUT )
(DVCC )
14, 13,
11, 9
40
45
– dB
Ripple Rejection of VR3
(at Max. Current, f = 1.0 kHz, C = 1.0 mF)
(DVOUT )
12
50 60
– dB
(DVCC )
Ripple Rejection of VR3
(at Max. Current, f = 10 kHz, C = 1.0 mF)
(DVOUT )
12
40 45
– dB
(DVCC )
Ripple Rejection of VR3
(at Max. Current, f = 100 kHz, C = 1.0 mF)
(DVOUT )
12
18 22
– dB
(DVCC )
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.
http://onsemi.com
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MC33765 전자부품, 판매, 대치품
MC33765
Vout4
Y1
X: 500µs/div
Y1: 10mV/div
Vin = 3.8V
Ta = 23°C
Figure 5. Output 4 is banged from 3mA to 150mA
Vout5
X: 500µs/div
Y1: 10mV/div
Vin = 3.8V
Ta = 23°C
Y1
Figure 6. Output 5 is banged from 3mA to 50mA
Vin
Vout2
X: 200µs/div
Y1: 2V/div
Y2: 10mV/div
Vin = variable
Ta = 23°C
Vin
Y1 Y1
Y2
Y2 Vout3
X: 200µs/div
Y1: 2V/div
Y2: 10mV/div
Vin = variable
Ta = 23°C
Figure 7. Typical input voltage rejection (Cout = 100nF)
Figure 8. Typical input voltage rejection (Cout = 1µF)
http://onsemi.com
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