MC33466H-50JT1 查看數據表（PDF） - Motorola => Freescale
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MC33466H-50JT1 Datasheet PDF : 12 Pages
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MC33466
Representative Block Diagrams
Vin
Cin
L
3
Lx
MC33466H–XXJT1
D
VLx Limiter
Drive
PWM
Controller
Phase
50 kHz
Comp
Oscillator
Vref
Soft–Start
2
Output
(Voltage
Feedback)
VO
CO
1 Gnd
L
Vin
Cin
Rb
3
Q
EXT
Cb
MC33466H–XXLT1
D
Drive
PWM
Controller
50 kHz
Oscillator
Phase
Comp
Soft–Start
2
Output
(Voltage
Feedback)
Vref
1 Gnd
VO
CO
XX Denotes Output Voltage
This device contains 100 active transistors.
MAXIMUM RATINGS (TC = 25°C, unless otherwise noted.)
Rating
Symbol
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Power Supply Voltage (Transient)
VO
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Power Supply Voltage (Operating)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ External Pin Voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Lx Pin Voltage
VO
VEXT
VLx
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ EXT Pin Source/Sink Current
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Lx Pin Sink Current
IEXT
ILx
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Power Dissipation and Thermal Characteristics
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ H Suffix, Plastic Package Case 1213 (SOT–89)
Value
Unit
12
V
8.0
V
–0.3 to VO
V
12
V
50/50
mA
250
mA
Maximum Power Dissipation @ TA = 25°C
Thermal Resistance, Junction–to–Air
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Operating Junction Temperature
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Operating Ambient Temperature
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Storage Temperature Range
PD
RθJA
TJ
TA
Tstg
500
200
125
–30 to +80
–40 to +125
mW
°C/W
°C
°C
°C
NOTE: ESD data available upon request.
2
MOTOROLA ANALOG IC DEVICE DATA
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