SMM205
Preliminary Information
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
Temperature Under Bias ......................–55°C to 125°C
Temperature Range (Industrial) .......... –40°C to +85°C
Storage Temperature............................–65°C to 150°C
(Commercial)............ –5°C to +70°C
VDD Supply Voltage.................................. 2.7V to 5.5V
12VIN Supply Voltage (1)........................ 8.0V to 14.0V
VIN.............................................................GND to VDD
VOUT.......................................................GND to 15.0V
Package Thermal Resistance (θJA)
Terminal Voltage with Respect to GND:
VDD Supply Voltage .........................–0.3V to 6.0V
12VIN Supply Voltage.....................–0.3V to 15.0V
All Others ...............................–0.3V to VDD + 0.7V
Output Short Circuit Current ............................... 100mA
28 Lead QFN………………………………….…80oC/W
Lead Solder Temperature (10 secs)……………….300°C
Junction Temperature.........................…….....…...150°C
ESD Rating per JEDEC……………………..……..2000V
Moisture Classification Level 1 (MSL 1) per J-STD- 020
Latch-Up testing per JEDEC………..……......…±100mA
Note (1) — Range depends on internal regulator set to 3.6V or 5.5V,
see 12VIN specification below.
Note - The device is not guaranteed to function outside its operating
rating. Stresses listed under Absolute Maximum Ratings may cause
permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions
outside those listed in the operational sections of the specification is
not implied. Exposure to any absolute maximum rating for extended
periods may affect device performance and reliability. Devices are
ESD sensitive. Handling precautions are recommended.
DC OPERATING CHARACTERISTICS
(Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)
Symbol
VDD
Parameter
Supply Voltage
Notes
Min.
Typ.
Max
Unit
V
2.7
3.3
5.5
Internally regulated to 5.5V
Internally regulated to 3.6V
VM pin
10
6
15
14
VDD
5
V
12VIN
Supply Voltage
VM
Positive Sense Voltage
–0.3
V
Power Supply Current from
VDD
IDD
All TRIM pins and 12VIN floating
3
3
mA
Power Supply Current from
12VIN
I12VIN
ITRIM
VADOC
VIH
All TRIM pins and VDD floating
5
mA
TRIM output current
through 100Ω to 1.0V
Margin Control/ADOC
Range
TRIM Sourcing Max Current
TRIM Sinking Max Current
Depends on Trim range of DC-
DC Converter
1.5
1.5
mA
mA
VREF_CNTL
VDD
V
V
V
VDD = 2.7V
0.9xVDD
0.7xVDD
VDD
VDD
Input High Voltage
VDD = 5.0V
VDD = 2.7V
0.1xVDD
0.3xVDD
VIL
Input Low Voltage
VDD = 5.0V
Programmable Open Drain
Output (READY)
VOL
ISINK = TBD
0.2
10
V
V
OV/UV
VHYST
Monitor Voltage Range
COMP1 and COMP2 pins
COMP1 and COMP2 pins,
VTH – VTL — Note 1
–0.3
3
VDD
Base DC Hysteresis
mV
Note 1 – The Base DC Hysteresis voltage is measured with a 1.25V external voltage source. The resulting value is determined by subtracting
Threshold Low from Threshold High (VTH – VTL) while monitoring the FAULT# pin state. Base DC Hysteresis is measured with a 1.25V input. Actual
DC Hysteresis is derived from the equation: (VIN/VREF)(Base Hysteresis). For example, if VIN = 2.5V and VREF = 1.25V then Actual DC Hysteresis =
(2.5V/1.25V) (0.003V) = 6mV.
Summit Microelectronics, Inc
2069 1.4 6/23/03
5
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