ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
Table 3. Electrical Characteristics
Characteristics noted under conditions VIN = 12 V, VOUT = 42 V, ILED = 50 mA, PWM = VDC1, M/~S = VDC1,
PIN & NIN = VDC1, -40°C ≤ TA ≤ 105°C, PGND = 0 V, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
SUPPLY
Supply Voltage
VIN
7.0
12
28
V
Supply Current when Shutdown Mode
ISHUTDOWN
Manual & SM Bus: EN = Low, SCK & SDA=Low
-
-
2.0
17
-
-
μA
I2C: EN = Low, SETI2C bit = 1, CLRI2C bit = 0
Supply Current when Sleep Mode
ISLEEP
-
3.0
-
mA
SM-Bus: EN = low, SCK & SDA= Active, SETI2C bit = 0, EN bit = 0
I2C: EN = High, SETI2C bit = 1, CLRI2C bit = 0, EN bit = 0
Supply Current when Operational Mode
IOPERATIONAL
-
10.0
-
mA
Manual: EN= High, SCK & SDA=Low, PWM=Low
SM-Bus: EN= Low, SCK & SDA=Active, EN bit= 1, PWM=Low
I2C: EN = High, SETI2C bit = 1, CLRI2C bit = 0, EN bit = 1, PWM=Low
Under-voltage Lockout
VIN Rising
UVLO
UVLOHYST
VDC1
5.4
150
2.4
6.0
200
2.5
6.4
250
2.6
V
mV
V
Under-voltage Hysteresis
VIN Falling
VDC1 Voltage(5)
CVDC1 = 2.2 μF
VDC2 Voltage(5)
VDC2
5.5
2.4
6.0
2.5
6.5
2.6
V
V
CVDC2 = 2.2 μF
VDC3 Voltage(5)
VDC3
CVDC3 = 2.2 μF
BOOST
Output Voltage Range(6)
VIN = 7.0 V
VOUT1
VOUT2
8.0
31
-
-
43
60
V
VIN = 28 V
Boost Switch Current Limit
IFET
2.6
-
2.8
3.0
A
RDSON of Internal FET
IDRAIN= 1.0 A
RDSON
250
500
mΩ
Boost Switch Off-state Leakage Current
VSWA,SWB = 65 V
IBOOST_LEAK
-
-
-
10
-
μA
Peak Boost Efficiency(7)
EFFBOOST
90
%
Notes
5. This output is for internal use only and not to be used for other purposes
6. Minimum and Maximum output voltages are dependent on Min/Max duty cycle condition.
7. Guaranteed by design
34844
Analog Integrated Circuit Device Data
Freescale Semiconductor
6
FREESCALE [ Freescale ]
