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PDF ( 数据手册 , 数据表 ) 29152BU

零件编号 29152BU
描述 MIC29152BU
制造商 Micrel Semiconductor
LOGO Micrel Semiconductor LOGO 


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29152BU 数据手册, 描述, 功能
MIC29150/29300/29500/29750
Micrel
MIC29150/29300/29500/29750 Series
High-Current Low-Dropout Regulators
General Description
Features
The MIC29150/29300/29500/29750 are high current, high • High Current Capability
accuracy, low-dropout voltage regulators. Using Micrel's
MIC29150/29151/29152/29153 ................................ 1.5A
proprietary Super ßeta PNP™ process with a PNP pass
MIC29300/29301/29302/29303 ................................... 3A
element, these regulators feature 300mV to 370mV (full load)
MIC29500/29501/29502/29503 ................................... 5A
dropout voltages and very low ground current. Designed for
MIC29750/29751/29752 ........................................... 7.5A
high current loads, these devices also find applications in • Low-Dropout Voltage ....................... 350mV at Full Load
lower current, extremely low dropout-critical systems, where • Low Ground Current
their tiny dropout voltage and ground current values are • Accurate 1% Guaranteed Tolerance
important attributes.
• Extremely Fast Transient Response
The MIC29150/29300/29500/29750 are fully protected against
overcurrent faults, reversed input polarity, reversed lead
insertion, overtemperature operation, and positive and nega-
tive transient voltage spikes. Five pin fixed voltage versions
feature logic level ON/OFF control and an error flag which
signals whenever the output falls out of regulation. Flagged
states include low input voltage (dropout), output current
• Reverse-battery and “Load Dump” Protection
• Zero-Current Shutdown Mode (5-Pin versions)
• Error Flag Signals Output Out-of-Regulation
(5-Pin versions)
• Also Characterized For Smaller Loads With Industry-
Leading Performance Specifications
• Fixed Voltage and Adjustable Versions
limit, overtemperature shutdown, and extremely high voltage Applications
spikes on the input.
• Battery Powered Equipment
On the MIC29xx1 and MIC29xx2, the ENABLE pin may be • High-Efficiency “Green” Computer Systems
tied to VIN if it is not required for ON/OFF control. The • Automotive Electronics
ManICd 2s9u1rf5a0c/e29m3o0u0n/2t 9T5O0-026a3repaavcakilaagbeles.inT3h-eanMdIC5-2p9in75T0wOww7-.2D.a52taA0Sheet4U.co••m
High-Efficiency
High-Efficiency
Linear Power Supplies
Post-Regulator For Switching
Supply
regulators are available in 3- and 5-pin TO-247 packages.
Pin Configuration
123
MIC29150/29300/
29500BT and
MIC29750BWT
123
MIC29150/29300BU
1 23 4 5
MIC29151/29152/29153BU
MIC29301/29302/29303BU
MIC29501/29502/29503BU
Pinout On all devices, the Tab is grounded.
MIC29150/29300/29500/29750 Three Terminal
Devices:
Pin 1 = Input, 2 = Ground, 3 = Output
1 23 45
MIC29151/29152/29153BT
MIC29301/29302/29303BT
MIC29501/29502/29503BT
MIC29751/29752BWT
MIC29151/29301/29501/29751 Five Terminal
Fixed Voltage Devices:
Pin 1 = Enable, 2 = Input, 3 = Ground, 4 = Output,
5 = Flag
MIC29152/29302/29502/29752 Adjustable with
ON/OFF Control
Pin 1 = Enable, 2 = Input, 3 = Ground, 4 = Output,
5 = Adjust
MIC29153/29303/29503 Adjustable with Flag
Pin 1 = Flag, 2 = Input, 3 = Ground, 4 = Output,
5 = Adjust
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
March 2000
1 MIC29150/29300/29500/29750







29152BU pdf, 数据表
MIC29150/29300/29500/29750
Typical Characteristics MIC2930x
MIC2930x Dropout Voltage
vs. Output Current
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
12
OUTPUT CURRENT (A)
3
MIC2930x Dropout Voltage
vs. Temperature
0.8
0.7
0.6
0.5
0.4
0.3
0.2 ILOAD = 3A
0.1
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
MIC2930x Ground Current
vs. Output Current
50
40
30
20
10
0
0123
OUTPUT CURRENT (A)
MIC2930x Ground Current
vs. Supply Voltage
2.0
FIXED 3.3V DEVICE
RLOAD = 100
1.5
1.0
0.5
0.0
0
2 4 6 8 10
SUPPLY VOLTAGE (V)
MIC2930x Ground Current
vs. Temperature
0.5
0.4
0.3
0.2 IOUT = 10mA
0.1
0.0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
MIC2930x Ground Current
vs. Temperature
2.0
1.5
IOUT = 250mA
1.0
0.5
0.0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
MIC29300-3.3 Output Voltage
vs. Temperature
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3 DEVICES
3.22
3.20
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
MIC29300-5.0 Short Circuit
Current vs. Temperature
8
7
6
5
4
3 VOUT = 0V
2
1
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
MIC29150/29300/29500/29750
8
Micrel
MIC29300-3.3
Dropout Characteristics
5.0
4.0
ILOAD = 10mA
3.0
2.0
ILOAD = 3A
1.0
0.0
0
24
INPUT VOLTAGE (V)
6
MIC2930x Ground Current
vs. Supply Voltage
125
100
FIXED 3.3V
75 IOUT = 3A
50
25
0
0 2 4 6 8 10
SUPPLY VOLTAGE (V)
MIC2930x Ground Current
vs. Temperature
60
50
40 IOUT = 3A
30
20
10
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
MIC2930x Ground Current
vs. Input Voltage
2.0
1.5
1.0
0.5
0.0
-0.5
-30
RLOAD = 100
-20 -10 0 10 20
INPUT VOLTAGE (V)
30
March 2000







29152BU equivalent, schematic
MIC29150/29300/29500/29750
Package Information
0.108 ±0.005
(2.74 ±0.13)
0.151 D ±0.005
(3.84 D ±0.13)
0.410 ±0.010
(10.41 ±0.25)
0.176 ±0.005
(4.47 ±0.13)
0.590 ±0.005
(14.99 ±0.13)
7°
0.818 ±0.005
(20.78 ±0.13)
0.356 ±0.005
(9.04 ±0.13)
Micrel
0.050 ±0.005
(1.27 ±0.13)
0.050 ±0.003
(1.27 ±.08)
0.100 ±0.005
(2.54 ±0.13)
7°
1.140 ±0.010
(28.96 ±0.25)
3°
0.030 ±0.003
(0.76 ±0.08)
0.018 ±0.008
(0.46 ±0.020)
0.100 ±0.020
(2.54 ±0.51)
DIMENSIONS: INCH
(MM)
3-Lead TO-220 (T)
0.065 ±0.010
20°±2°
0.405 ±0.005
0.050 ±0.005
0.360 ±0.005
0.600 ±0.025
0.100 BSC
DIM. = INCH
0.050
8° MAX
0.015 ±0.002
3-Lead TO-263 (U)
0.176 ±0.005
0.050 ±0.005
SEATING PLANE
0.004+00..000048
0.100 ±0.01
MIC29150/29300/29500/29750
16
March 2000










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