AAT1102 Datasheet, PDF (2/18 Pages) Advanced Analog Technology, Inc. – ADVANCED PWM DC-DC CONVERTER WITH INTERNAL SWITCH AND SOFT-START

Advanced Analog Technology, Inc.
AAT1102
PIN DESCRIPTIONS
PIN
NAME
FUNCTION
1
EO
Compensation Pin for Error Amplifier
2
IN
Feedback Pin with a Typical Reference Voltage of 1.24V,
V_OUT
=
IN(1+
R1
R2
)
3
SHDN Shutdown Control Pin. The Device Will Turn Off When SHDN is Low
4
GND Ground
5
SW Switch Pin
6
V_DD
Power Supply Pin
7
FREQ
Frequency Select Pin. Switch Oscillator Frequency to 640kHz When FREQ is
Low, and 1.3MHz When FREQ is High
8
SS
Soft-Start Control Pin. No Soft-Start When the Pin is Left Open
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
SW to GND
IN, SHDN, V_DD , FREQ to
GND
SS, EO to GND
RMS SW Pin Current
Continuous Power Dissipation
( T_C = + 70 к)
8-Pin MSOP (De-Rate
4.1 mW /к above +70к)
Operation Temperature Range
Storage Temperature Range
I _SW
P_d
T_C
T_storage
Lead Temperature
T_L
(Soldering for 10 seconds)
VALUE
− 0.3 to +18
− 0.3 to +6
− 0.3 V to ( V_DD + 0.3V)
1.2
330
− 20 to +85
− 45 to +125
+300
UNIT
V
V
V
A
mW
к
к
к
Note:
1. Absolute Maximum Ratings are threshold limit values that must not be exceeded.
2. Operation above these absolute maximum ratings may cause degradation or permanent damage to the device.
3. These are stress ratings only and do not necessarily imply functional operation below these limits.
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– Advanced Analog Technology, Inc. –
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