MC34063APE4 [TI]
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS; 1.5 A峰值升压/降压/反相开关稳压器
| 型号： | MC34063APE4 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | 1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS |
| 文件： | 总16页 (文件大小：494K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
FEATURES
•
•
•
•
Wide Input Voltage Range…3 V to 40 V
High Output Switch Current…Up to 1.5 A
Adjustable Output Voltage
•
•
•
Precision Internal Reference…2%
Short-Circuit Current Limiting
Low Standby Current
Oscillator Frequency…Up to 100 kHz
D (SOIC) OR P (PDIP) PACKAGE
(TOP VIEW)
Switch Collector
Switch Emitter
Timing Capacitor
GND
1
2
3
4
8
7
6
5
Driver Collector
I
pk
V
CC
Comparator Inverting Input
DRJ (QFN) PACKAGE
(TOP VIEW)
†
Switch Collector
8
1
Driver Collector
2
3
4
Switch Emitter
7
6
5
I
pk
Timing Capacitor
V
CC
GND
Comparator Inverting Input
†
Exposed thermal pad is connected internally to GND via die attach.
DESCRIPTION/ORDERING INFORMATION
The MC33063A and MC34063A are easy-to-use ICs containing all the primary circuitry needed for building
simple dc-dc converters. These devices primarily consist of an internal temperature-compensated reference, a
comparator, an oscillator, a PWM controller with active current limiting, a driver, and a high-current output switch.
Thus, the devices require minimal external components to build converters in the boost, buck, and inverting
topologies.
The MC33063A is characterized for operation from –40°C to 85°C, while the MC34063A is characterized for
operation from 0°C to 70°C.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
MC33063AP
TOP-SIDE MARKING
MC33063AP
PDIP – P
Tube of 50
QFN – DRJ
Reel of 1000
Tube of 75
MC33063ADRJR
MC33063AD
PREVIEW
–40°C to 85°C
SOIC – D
M33063A
Reel of 2500
Tube of 50
MC33063ADR
MC34063AP
PDIP – P
MC34063AP
PREVIEW
QFN – DRJ
Reel of 1000
Tube of 75
MC34063ADRJR
MC34063AD
0°C to 70°C
SOIC – D
M34063A
Reel of 2500
MC34063ADR
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
FUNCTIONAL BLOCK DIAGRAM
8
1
2
3
4
Drive
Collector
Switch
Collector
Q2
S
R
Q
Q1
100 Ω
7
I
pk
Switch
Emitter
Sense
I
pk
Oscillator
C
T
6
Timing
Capacitor
V
CC
1.25-V
Reference
Regulator
+
−
5
Comparator
Inverting Input
GND
Absolute Maximum Ratings(1)
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
40
UNIT
VCC
Supply voltage
V
VIR
Comparator Inverting Input voltage range
Switch Collector voltage
Switch Emitter voltage
–0.3
40
40
V
V
VC(switch)
VE(switch)
VCE(switch)
VC(driver)
IC(driver)
ISW
VPIN1 = 40 V
40
V
Switch Collector to Switch Emitter voltage
Driver Collector voltage
Driver Collector current
40
V
40
V
100
1.5
97
mA
A
Switch current
D package
DRJ package
P package
θJA
Package thermal impedance(2)(3)
TBD
85
°C/W
TJ
Operating virtual junction temperature
Storage temperature range
150
150
°C
°C
Tstg
–65
(1) Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating
conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.
(3) The package thermal impedance is calculated in accordance with JESD 51-7.
2
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
Recommended Operating Conditions
MIN
3
MAX UNIT
VCC
TA
Supply voltage
40
85
70
V
MC33063A
MC34063A
–40
0
Operating free-air temperature
°C
Electrical Characteristics
VCC = 5 V, TA = full operating range (unless otherwise noted) (see block diagram)
Oscillator
PARAMETER
Oscillator frequency
Charge current
TEST CONDITIONS
VPIN5 = 0 V, CT = 1 nF
VCC = 5 V to 40 V
VCC = 5 V to 40 V
VPIN7 = VCC
TA
MIN
24
TYP
MAX UNIT
fosc
25°C
25°C
25°C
25°C
25°C
33
35
42
42
kHz
µA
Ichg
24
Idischg
Discharge current
140
5.2
250
220
6.5
300
260
7.5
350
µA
Idischg/Ichg Discharge-to-charge current ratio
VIpk Current-limit sense voltage
Idischg = Ichg
mV
Output Switch(1)
PARAMETER
TEST CONDITIONS
TA
MIN
TYP
MAX UNIT
Saturation voltage –
Darlington connection
VCE(sat)
VCE(sat)
ISW = 1 A, pins 1 and 8 connected
Full range
1
1.3
0.7
V
V
Saturation voltage –
ISW = 1 A, RPIN8 = 82 Ω to VCC
,
Full range
0.45
non-Darlington connection(2)
forced β 20
hFE
DC current gain
ISW = 1 A, VCE = 5 V
VCE = 40 V
25°C
50
75
IC(off)
Collector off-state current
Full range
0.01
100
µA
(1) Low duty-cycle pulse testing is used to maintain junction temperature as close to ambient temperature as possible.
(2) In the non-Darlington configuration, if the output switch is driven into hard saturation at low switch currents (≤300 mA) and high driver
currents (≥30 mA), it may take up to 2 µs for the switch to come out of saturation. This condition effectively shortens the off time at
frequencies ≥30 kHz, becoming magnified as temperature increases. The following output drive condition is recommended in the
non-Darlington configuration:
Forced β of output switch = IC,SW / (IC,driver – 7 mA) ≥ 10, where 7 mA is required by the 100-Ω resistor in the emitter of the driver to
forward bias the Vbe of the switch.
Comparator
PARAMETER
TEST CONDITIONS
TA
MIN
1.225
1.21
TYP
MAX UNIT
25°C
1.25
1.275
V
Vth
Threshold voltage
Full range
Full range
Full range
1.29
∆Vth
Threshold-voltage line regulation
Input bias current
VCC = 5 V to 40 V
VIN = 0 V
1.4
5
mV
nA
IIB
–20
–400
Total Device
PARAMETER
TEST CONDITIONS
TA
Full range
MIN
MAX UNIT
mA
VCC = 5 V to 40 V, CT = 1 nF,
VPIN7 = VCC, VPIN5 > Vth,
ICC
Supply current
4
VPIN2 = GND, All other pins open
3
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
TYPICAL CHARACTERISTICS
1000
100
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
V
= 5 V
V
= 5 V
CC
CC
Pin 1, 7, 8 = V
Pin 7 = V
CC
CC
Pin 3, 5 = GND
= 25°C
Pin 5 = GND
= 25°C
T
A
T
A
t
ON
t
OFF
10
1
1
0
1
0.2 0.4 0.6 0.8 1.2 1.4 1.6
0.01
0.1
1
10
I , Emitter Current (A)
E
C , Oscillator Timing Capacitor (nF)
T
Figure 1. Output Switch On-Off Time vs
Oscillator Timing Capacitor
Figure 2. Output Switch Saturation Voltage vs
Emitter Current (Emitter-Follower Configuration)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
380
360
340
320
300
280
260
240
220
200
Darlington Connection
V
= 5 V
= I
DISCHG
CC
I
CHG
Force Beta = 20
V
CC
= 5 V
Pin 7 = V
CC
Pin 2, 3, 5 = GND
= 25°C
T
A
0.
0
−50 −25
0
25
50
75
100
125
0
1
0.2 0.4 0.6 0.8 1.2 1.4 1.6
T , Ambient Temperature (°C)
A
I , Collector Current (A)
C
Figure 3. Output Switch Saturation Voltage vs
Collector Current (Common-Emitter Configuration)
Figure 4. Current-Limit Sense Voltage vs Temperature
3.6
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
.0
C
= 1 nF
T
Pin 7 = V
CC
Pin 2 = GND
= 25°C
T
A
0
5
10
15
20
25
30
35
40
V , Supply Voltage (V)
CC
Figure 5. Standby Supply Current vs Supply Voltage
4
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
TYPICAL CHARACTERISTICS (continued)
170 µH
L
1
8
180 Ω
Q2
S
R
Q
1N5819
Q1
2
3
7
6
I
pk
R
SC
0.22 Ω
C
T
V
in
C
T
V
CC
12 V
1500 pF
1.25-V
Reference
Regulator
+
+
_
100 µF
Comparator
4
5
1.0 µH
100 µF
R2
R2
R1
V
out
V
out + 1.25 (1 )
)
28 V/175 mA
+
47 kΩ
C
O
330 µF
+
R1
2.2 kΩ
Optional Filter
Figure 6. Step-Up Converter
TEST
CONDITIONS
VIN = 8 V to 16 V, IO = 175 mA
VIN = 12 V, IO = 75 mA to 175 mA
VIN = 12 V, IO = 175 mA
RESULTS
30 mV ± 0.05%
Line regulation
Load regulation
Output ripple
Efficiency
10 mV ± 0.017%
400 mVPP
87.7%
VIN = 12 V, IO = 175 mA
Output ripple with optional filter
VIN = 12 V, IO = 175 mA
40 mVPP
5
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
R*
8
7
6
1
2
8
7
6
1
2
V
V
out
out
R
SC
R
SC
V
in
V
in
* R " 0 for constant V
b) EXTERNAL pnp SATURATED SWITCH (see Note A)
in
a) EXTERNAL npn SWITCH
A. If the output switch is driven into hard saturation (non-Darlington configuration) at low switch currents (≤300 mA) and
high driver currents (≥30 mA), it may take up to 2 µs to come out of saturation. This condition will shorten the off time
at frequencies ≥30 kHz and is magnified at high temperatures. This condition does not occur with a Darlington
configuration because the output switch cannot saturate. If a non-Darlington configuration is used, the output drive
configuration in Figure 7b is recommended.
Figure 7. External Current-Boost Connections for IC Peak Greater Than 1.5 A
6
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
1
8
Q2
S
R
Q
Q1
2
7
6
1N5819
I
R
SC
pk
0.33 Ω
C
T
Oscillator
3
V
in
V
CC
25 V
L
C
T
220 µH
1.25-V
Reference
Regulator
470 pF
+
+
_
100 µF
Comparator
4
5
1.0 µH
100 µF
R2
V
out
R2
R1
V
out + 1.25 (1 )
)
5 V/500 mA
3.8 kΩ
+
+
R1
1.2 kΩ
C
O
470 µF
Optional Filter
Figure 8. Step-Down Converter
TEST
CONDITIONS
VIN = 15 V to 25 V, IO = 500 mA
VIN = 25 V, IO = 50 mA to 500 mA
VIN = 25 V, IO = 500 mA
RESULTS
12 mV ± 0.12%
Line regulation
Load regulation
Output ripple
3 mV ± 0.03%
120 mVPP
1.1 A
Short-circuit current
Efficiency
VIN = 25 V, RL = 0.1 Ω
VIN = 25 V, IO = 500 mA
83.7%
Output ripple with optional filter
VIN = 25 V, IO = 500 mA
40 mVPP
1
2
8
7
1
2
8
7
V
out
V
out
R
in
SC
R
in
SC
6
V
6
V
a) EXTERNAL npn SWITCH
b) EXTERNAL pnp SATURATED SWITCH
Figure 9. External Current-Boost Connections for IC Peak Greater Than 1.5 A
7
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
1
8
Q2
S
R
Q
Q1
2
7
6
L
I
R
SC
pk
88 µH
0.24 Ω
C
T
Oscillator
3
V
in
V
CC
4.5 V to 6.0 V
1N5819
1.25-V
Reference
Regulator
+
+
+
_
100 µF
1500 pF
4
Comparator
5
1.0 µH
100 µF
R1
953 Ω
V
R2
R1
out
V
out + *1.25 (1 )
)
−12 V/100 mA
C
R2
8.2 kΩ
O
+
1000 µF
+
Optional Filter
Figure 10. Voltage-Inverting Converter
TEST
CONDITIONS
VIN = 4.5 V to 6 V, IO = 100 mA
VIN = 5 V, IO = 10 mA to 100 mA
VIN = 5 V, IO = 100 mA
RESULTS
3 mV ± 0.12%
Line regulation
Load regulation
Output ripple
0.022 V ± 0.09%
500 mVPP
910 mA
Short-circuit current
Efficiency
VIN = 5 V, RL = 0.1 Ω
VIN = 5 V, IO = 100 mA
62.2%
Output ripple with optional filter
VIN = 5 V, IO = 100 mA
70 mVPP
8
7
6
1
2
1
2
8
7
V
out
V
out
V
in
6
V
in
a) EXTERNAL npn SWITCH
b) EXTERNAL pnp SATURATED SWITCH
Figure 11. External Current-Boost Connections for IC Peak Greater Than 1.5 A
8
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
APPLICATION INFORMATION
CALCULATION
STEP UP
STEP DOWN
VOLTAGE INVERTING
Ť
Ť
Vout ) VF * Vin min
Vout ) VF
Vout ) VF
(
)
ton/toff
Vin min * Vsat * Vout
Vin * Vsat
Vin min * Vsat
(
)
(
)
1
f
1
f
1
f
(ton + toff
)
ton ) toff
ton ) toff
ton ) toff
t
t
t
on
on
on
toff
) 1
) 1
) 1
t
t
t
off
off
off
ǒ
Ǔ
ǒ
Ǔ
ǒ
Ǔ
ton ) toff * toff
ton ) toff * toff
ton ) toff * toff
ton
CT
5
5
5
4
10 ton
4
10 ton
4
10 ton
ton
toff
ton
toff
2Iout max
ǒ Ǔ
ǒ Ǔ
2Iout max
) 1
2Iout max
) 1
Ipk(switch)
(
)
(
)
(
)
0.3
0.3
0.3
RSC
Ipk switch
Ipk switch
Ipk switch
(
)
( )
(
)
ǒV
Ǔ
ǒV
Ǔ
ǒV
Ǔ
) * Vsat
) * Vsat * Vout
) * Vsat
in min
(
(
(
in min
in min
t
t
t
L(min)
ǒ Ǔ ǒ
Ǔ ǒ Ǔ
(
)
(
)
(
)
on max
on max
on max
Ipk switch
Ipk switch
Ipk switch
( )
(
)
(
)
ǒ
Ǔ
Ioutton
Ipk switch ton ) toff
Ioutton
(
)
9
9
CO
Vripple pp
Vripple pp
8Vripple pp
(
)
(
)
(
)
R2
R1
R2
R1
R2
R1
1.25(1 )
)
1.25(1 )
)
*1.25(1 )
)
Vout
See Figure 6
See Figure 8
See Figure 10
Vsat = Saturation voltage of the output switch
VF = Forward voltage drop of the chosen output rectifier
The following power-supply parameters are set by the user:
Vin = Nominal input voltage
Vout = Desired output voltage
Iout = Desired output current
fmin = Minimum desired output switching frequency at the selected values of Vin and Iout
Vripple = Desired peak-to-peak output ripple voltage. The ripple voltage directly affects the line and load
regulation and, thus, must be considered. In practice, the actual capacitor value should be larger than the
calculated value, to account for the capacitor's equivalent series resistance and board layout.
9
MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J–DECEMBER 2004–REVISED OCTOBER 2005
THERMAL PAD MECHANICAL DATA
DRJ (S-PDSO-N8)
10
PACKAGE OPTION ADDENDUM
www.ti.com
12-Mar-2007
PACKAGING INFORMATION
Orderable Device
MC33063AD
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
SOIC
D
8
8
8
8
8
8
8
8
8
8
8
8
8
8
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
MC33063ADE4
MC33063ADR
MC33063ADRE4
MC33063ADRJR
MC33063AP
SOIC
SOIC
SOIC
SON
PDIP
PDIP
SOIC
SOIC
SOIC
SOIC
SON
PDIP
PDIP
D
D
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
D
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
DRJ
P
1000 Green (RoHS & CU NIPDAU Level-3-260C-168 HR
no Sb/Br)
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
MC33063APE4
MC34063AD
P
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
D
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
MC34063ADE4
MC34063ADR
MC34063ADRE4
MC34063ADRJR
MC34063AP
D
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
D
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
D
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
DRJ
P
1000 Green (RoHS & CU NIPDAU Level-3-260C-168 HR
no Sb/Br)
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
MC34063APE4
P
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
12-Mar-2007
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 2
MECHANICAL DATA
MPDI001A – JANUARY 1995 – REVISED JUNE 1999
P (R-PDIP-T8)
PLASTIC DUAL-IN-LINE
0.400 (10,60)
0.355 (9,02)
8
5
0.260 (6,60)
0.240 (6,10)
1
4
0.070 (1,78) MAX
0.325 (8,26)
0.300 (7,62)
0.020 (0,51) MIN
0.015 (0,38)
Gage Plane
0.200 (5,08) MAX
Seating Plane
0.010 (0,25) NOM
0.125 (3,18) MIN
0.100 (2,54)
0.021 (0,53)
0.430 (10,92)
MAX
0.010 (0,25)
M
0.015 (0,38)
4040082/D 05/98
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Falls within JEDEC MS-001
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