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MC34703PNB 数据表(PDF) 6 Page - Freescale Semiconductor, Inc

部件名 MC34703PNB
功能描述  10A Switch-Mode Power Supply with LDO Regulator
Download  46 Pages
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制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc

MC34703PNB 数据表(HTML) 6 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
6
Freescale Semiconductor
34703
ELECTRICAL CHARACTERISTICS
MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
MAXIMUM RATINGS
Table 2. Maximum Ratings
All voltages are with respect to ground unless otherwise noted. Exceeding these ratings may cause a malfunction or
permanent damage to the device.
Ratings
Symbol
Value
Unit
ELECTRICAL RATINGS
Supply Voltage
VIN1, VIN2
-0.3 to 14
V
Switching Node
SW
-1.0 to 14
V
Buck Regulator Bootstrap Input (BOOT - SW)
BOOT
-0.3 to 8.5
V
Differential Voltage (SR - SW)
VSR
-0.3 to 8.5
V
Boost Regulator Output (1)
VBST
-0.3 to 8.5
V
Boost Regulator Drain
VBD
-0.3 to 9.5
V
RESET
Drain Voltage
RESET
-0.3 to 7.0
V
Enable Pins (EN1, EN2)
VENABLE
-0.3 to 14
V
Logic Pins (SDA, SCL, CLKSYN)
VLOGIC
-0.3 to 7.0
V
Analog Pins (INV, VOUT)
VANALOG1
-0.3 to 7.0
V
Analog Pins (LDRV, LFB, LDO, LCMP, ISNS)
VANALOG2
-0.3 to 8.5
V
Analog Pins (CLKSEL, ADDR, RT, FREQ, VDDI)
VANALOG3
-0.3 to 3.6
V
ESD Voltage
Human Body Model (2)
Machine Model (3)
VESD1
VESD2
±2000
±200
V
THERMAL RATINGS
Storage Temperature
TSTG
-65 to 150
°C
Power Dissipation (TA = 85°C)
(4)
PD
2.0
W
Lead Soldering Temperature (5)
TSOLDER
245
°C
Maximum Operating Junction Temperature
TJMAX
125
°C
Package Operating Temperature Range (Ambient Temperature)
TA
-40 to 85
°C
THERMAL RESISTANCE
Thermal Resistance, Junction to Ambient (6)
RθJA
38
°C/W
Thermal Resistance, Junction to Base (7)
RθJB
~1.0
°C/W
Notes
1.
Maximum recommended filter capacitor: 10
µF. (Note, VBST pin is not short-circuit protected.)
2.
ESD1 testing is performed in accordance with the Human Body Model (CZAP=100 pF, RZAP=1500 Ω).
3.
ESD2 testing is performed in accordance with the Machine Model (CZAP=200 pF, RZAP=0 Ω).
4.
Maximum still-air power dissipation at indicated ambient temperature; higher power dissipations may be possible with additional heat-
sinking and forced-air cooling.
5.
Lead soldering temperature limit is for 10 seconds maximum duration. Contact Freescale Sales Office for immersion soldering time/
temperature limits.
6.
Thermal resistance measured in accordance with EIA/JESD51-2.
7.
Theoretical thermal resistance from the die junction to the exposed heat-sinking pins.


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