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MC34702EK Folha de dados(PDF) 11 Page - Freescale Semiconductor, Inc

Nome de Peças MC34702EK
Descrição Electrónicos  3.0 A Switch-Mode Power Supply with Linear Regulator
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Fabricante Electrônico  FREESCALE [Freescale Semiconductor, Inc]
Página de início  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC34702EK Folha de dados(HTML) 11 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
11
34702
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
CONTROL AND SUPERVISORY CIRCUITS
Enable (EN1, EN2) Input Voltage Threshold
VTH_EN
1.0
1.5
2.0
V
Enable (EN1, EN2) Pulldown Resistance
RPU
30
55
90
k
RST
Low-Level Output Voltage, IOL = 5.0 mA
VOL
––
0.4
V
RST
Leakage Current, OFF State, Pulled Up to 5.25 V
ILKG-RST
––
10
µA
RST
Undervoltage Threshold on VOUT (
∆VOUT/VOUT) (17)
VOUTITh
-14
-0.5
%
RST
Overvoltage Threshold on VOUT (
∆VOUT/VOUT) (17)
VOUTITh
0.5
14
%
RST
Undervoltage Threshold on VLDO (
∆VLDO/VLDO) (17)
VLDOITh
-12
-4.0
%
RST
Overvoltage Threshold on VLDO (
∆VLDO/VLDO) (17)
VLDOITh
4.0
12
%
RST
Timer Voltage Threshold
VTH-RT
1.0
1.2
1.5
V
RST
Timer Source Current (RT pin at 0 V)
IS-RT
-17–-34
mA
RST
Timer Leakage Current
ILKG-RT
-1.0
1.0
µA
RST
Timer Saturation Voltage, Reset Timer Current = 300
µAV
SAT-RT
35
100
mV
Maximum Recommended Value of the Reset Timer Capacitor
Ct
––
47
µF
CLKSEL Threshold Voltage
VTHCLKS
1.2
1.6
2.0
V
CLKSEL Pullup Resistance
RPU-CLKS
60
120
240
k
ADDR Threshold Voltage (17)
VTHADDR
1.2
1.6
2.0
V
ADDR Pullup Resistance
RPU-ADDR
60
120
240
k
Thermal Shutdown (IC sensor) (17)
TLIM
150
170
190
°C
Thermal Shutdown Hysteresis (17)
TLIMHYS
–10
°C
SDA, SCL PINS I2C BUS (STANDARD)
Input Threshold Voltage (Pin SCL), Rising Edge (17)
VLTH
1.3
1.7
V
Input Threshold Voltage (Pin SDA)
VLTH
1.3
1.7
V
SDA, SCL Input Current, Input Voltage = 5.25 V (VIN1)
II
1.0
10
µA
SDA Low-Level Output Voltage, 3.0 mA Sink Current
VOL
––
0.4
V
SDA, SCL Capacitance (17)
CINPUT
–7.0
10
pF
Notes
17.
Design information only. This parameter is not production tested.
Table 3.
Static Electrical Characteristics (continued)
Characteristics noted under conditions -40°C TA 85°C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3 V using
the typical application circuit (see Figure 33) unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit


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