AT1368 Datasheet, PDF (4/13 Pages) List of Unclassifed Manufacturers – 1- Channel Synchronous Buck PWM Controller with Power Good Reset

AT1368
1-Channel Synchronous Buck PWM Controller
with Power Good Reset
Electrical Characteristics
Parameter
Symbol
(VCC = 5V,Ta =+25℃ , unless otherwise noted. )
Condition
Values
Unit
Min. Typ. Max.
Entire device
Input Supply Range
V_CC
2.5 -- 7.0 V
Duty=50%,
Quiescent Current
I_CC fOSC=600KHz
PDRV/NDRV No Load
CTL=0V
Current in standby mode I_ST
1.0 1.5 mA
10 µA
Reference Voltage
Ta =-20℃ to +85℃
V_REF
1.20 1.22 1.24 V
Error amplifier
Sawtooth wave
oscillator (OSC)
Soft-Start
Short-Circuit
Reference Voltage
line-regulation
VCC=2.5V to 7.0V
V_REF-Line
Rference Variation
with Temperature
Ta =-20℃ to +85℃
Input Offset Voltage
Source Current
Sink Current
Source current Variation
with temperature
Sink current Variation
with temperature
Unity Gain Bandwidth
Common Mode Input
Voltage Range
DC Open Loop Gain
V_IO
I_OH
I_OL
f_T
V_COM
A_V
fosc
V_COMP = V_REF -0.5V
V_COMP = 0.5V
Ta =-20℃ to +85℃
Ta =-20℃ to +85℃
AT1368A
Frequency
fosc ^AT1368B
High Level Voltage
Low Level Voltage
Variation with
Supply
Variation with
temperature
Power
Vcc=2.5V to 7V
Ta =-20℃ to +85℃
Charge Current of
SS
I_CSS
Invalid threshold
voltage of SS
Charge Current of
SS
I_CSS
Threshold Voltage of
SCP
1 5 mV
0.5 1.5 %
10 mV
1.0 1.5 2.0 mA
-160 -120 -80 μA
20 %
20 %
10.0
MHz
0.2
1.5 V
110
dB
250 300 350 _KHz
500 600 700 _KHz
1.0
V
0.5
V
2%
7%
-1.0
µA
1.0
V
-1.25
µA
1.0
V
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
WWW: http://www.aimtron.com.tw
Fax: [phone]
Email: [e-mail]
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