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MC33167T Datasheet

  • MC33167T

  • Voltage-Mode SMPS Controller

  • Motorola   Motorola

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Order this document by MC34167/D
Power Switching Regulators
The MC34167, MC33167 series are high performance fixed frequency
power switching regulators that contain the primary functions required for
dc鈥搕o鈥揹c converters. This series was specifically designed to be
incorporated in step鈥揹own and voltage鈥搃nverting configurations with a
minimum number of external components and can also be used cost
effectively in step鈥搖p applications.
These devices consist of an internal temperature compensated
reference, fixed frequency oscillator with on鈥揷hip timing components,
latching pulse width modulator for single pulse metering, high gain error
amplifier, and a high current output switch.
Protective features consist of cycle鈥揵y鈥揷ycle current limiting,
undervoltage lockout, and thermal shutdown. Also included is a low power
standby mode that reduces power supply current to 36
碌A.
鈥?/div>
Output Switch Current in Excess of 5.0 A
MC34167
MC33167
POWER SWITCHING
REGULATORS
SEMICONDUCTOR
TECHNICAL DATA
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
TH SUFFIX
PLASTIC PACKAGE
CASE 314A
1
5
Fixed Frequency Oscillator (72 kHz) with On鈥揅hip Timing
Provides 5.05 V Output without External Resistor Divider
Precision 2% Reference
0% to 95% Output Duty Cycle
Cycle鈥揵y鈥揅ycle Current Limiting
Undervoltage Lockout with Hysteresis
Internal Thermal Shutdown
Operation from 7.5 V to 40 V
Standby Mode Reduces Power Supply Current to 36
碌A
Economical 5鈥揕ead TO鈥?20 Package with Two Optional Leadforms
Also Available in Surface Mount D2PAK Package
T SUFFIX
PLASTIC PACKAGE
CASE 314D
1
5
5
1
TV SUFFIX
PLASTIC PACKAGE
CASE 314B
Heatsink surface connected to Pin 3.
Simplified Block Diagram
(Step Down Application)
ILIMIT
Oscillator
4
Pin 1.
2.
3.
4.
5.
Vin
Voltage Feedback Input
Switch Output
Ground
Input Voltage/VCC
Compensation/Standby
D2T SUFFIX
PLASTIC PACKAGE
CASE 936A
(D2PAK)
1
S
Q
R
2
5
Heatsink surface (shown as terminal 6
in case outline drawing) is connected to Pin 3.
PWM
ORDERING INFORMATION
UVLO
Thermal
Reference
EA
1
VO
5.05 V/5.0 A
L
Device
Operating
Temperature Range
Package
Surface Mount
Straight Lead
Horiz. Mount
Vertical Mount
Surface Mount
Straight Lead
Horiz. Mount
Vertical Mount
Rev 3
MC33167D2T
MC33167T
TA = 鈥?40擄 to +85擄C
MC33167TH
MC33167TV
MC34167D2T
MC34167T
MC34167TH
MC34167TV
3
5
This device contains 143 active transistors.
TA = 0擄 to + 70擄C
漏
Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
1

MC33167T 產(chǎn)品屬性

  • 50

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器

  • -

  • 降壓（降壓），升壓（升壓），反相

  • 可調(diào)式

  • 1

  • 5 V ~ 40 V

  • 7.5 V ~ 40 V

  • 電壓模式

  • 72kHz

  • 5A

  • 無

  • -40°C ~ 85°C

  • 通孔

  • TO-220-5

  • 管件

  • TO-220-5

  • MC33167TOS

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