BIT3713 Ver la hoja de datos (PDF) - Unspecified
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BIT3713 Datasheet PDF : 11 Pages
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Beyond Innovation Technology Co., Ltd.
DC/AC Characteristics
Table 4
Parameter
Test Conditions Min.
Supply Voltages
Pin VDD input
Chip Consumed Current
4.0
8V Supply Voltage
Ta=25°C
Error Amplifier Reference Voltage
Non-Inverting
amplifier
input
of
the
error Measure INN
Line regulation
VDD=4.0~8.0 V
1.2125
Under Voltage Look Out
Positive Going Threshold
Ta=25°C
3.8
Hysteresis
Note3
0.1
The 1st High Frequency Ramp Wave Generator
Operating Frequency
50
Output peak(CTOSC)
Note1
Output valley(CTOSC)
Error Amplifier
Input voltage
0.1
Open loop gain
Note2
60
Unit gain band width
1
Power On Initialization and Latched Off Protection Enable
Pin TIMER Output current
Case1. TIMER <0.3V
Pin TIMER Output current
Case1. TIMER > 0.3V
VDD=6V, Ta=25°C
Power On Reset/Initialization Note 3
threshold on pin TIMER
Latched Off Protection enable
threshold on pin TIMER
Load Detection
Pin ISEN detection lower threshold VDD=6V, Ta=25°C
Hysterisis
Output Detection and Adaptive Adjusting
Pin OUTADJ detection lower
threshold
Hysterisis
VDD=6V, Ta=25°C
INN pin pull-up current source
The 2nd Low Frequency PWM Generator
Ramp Wave Peak(CTPWM)
Ramp Wave Valley(CTPWM)
PWM Frequency
10
Control voltage of 0 % Duty cycle
on pin PWMDC
Case 1. MODSEL = 0V
Control voltage of 0 % Duty cycle VDD=6V, Ta=25°C
on pin PWMDC
Case 1. MODSEL = ICVDD
Output voltage of Pin PWMOUT
for making the logic high.
Pin PWMOUT output for making
the logic low
Maximum Duty Cycle
Output of the 1st PWM (OUT1, OUT2)
CMOS output impedance
(Note2, Note3)
Rising Time
VDD=6V,
Falling Time
2000pF(Note2,
Delay Time
Note3)
BIT3713
Typ.
4
Max.
8.0
Unit
V
mA
1.25
2
4.0
0.2
2.25
0.5
80
1.5
1.2875
20
4.2
0.3
400
3
V
mV
V
V
KHz
V
V
V
dB
MHz
20
uA
1
uA
0.3
V
2.5
V
1.3
V
20
mV
2.0
V
20
mV
60
uA
2.5
V
1.0
V
100K
Hz
1.0
V
2.5
V
2.5
V
Floating
92
%B i T E K
50
ohm
110
Decembern2S0, 2005
100
600D C C
CONTnnSSROLLED
‘05/12/15
Preliminary
Confidential, for authorized user only
page 7 of 11
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