AX3842 Datasheet, PDF (3/12 Pages) List of Unclassifed Manufacturers – High Performance Current Mode Pwm Controlers

Page No. : 3/12
Electrical Characteristics
Unless otherwise stated, specifications apply for 0≤T_amb≤70°C V_CC=15V ^{(Note 1)};
R_T=680Ω, C_T=0.022uF for triangular mode, R_T=10k, C_T=3.3nf for sawtooth mode
Symbol
Reference Section
Parameter
Test Conditions
V_REF
∆V_REF
∆V_REF
∆V_REF/∆T
Reference Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Output Variation
e_N
Output Noise Voltage
Long Term Stability
Tj=25°C,Io=1mA
12V≤V_in≤25V
1mA≤Io≤20mA
(Note 2)
Line, Load, Temp ^{(Note 2)}
10Hz≤f≤10kHz,Tj=25°C ^{(Note 2)}
Ta=125°C,1000Hrs ^{(Note 2)}
I_SC
Output Short Current
Oscillator Section
Ta=25°C
f_OSC Frequency
∆f_OSC/∆V Frequency Change with Volt.
∆f_OSC/∆T Frequency Change with Temp.
V_OSC Oscillator Voltage Swing
I_dischg Discharge Current (V_OSC=2V)
Error Amplifier Section
T_J=25°C
T_low≤T_A≤T_high
12V≤V_CC≤25V
T_low≤T_A≤T_high ^{(Note 2)}
T_J=25°C
Peak to Peak
T_J=25°C
T_low≤T_A≤T_high
V₂
I_b
A_VOL
BW
PSRR
Voltage Feedback Input
Input Bias Current
Open Loop Voltage Gain
Unity Gain Bandwidth
Power Supply Rejection Ratio
I_O
Output Current
V_OUT-High Output Voltage Swing High State
V_OUT-Low Output Voltage Swing Low State
Current Sense Section
G_V
V₃
SVR
Current Sense Input Voltage Gain
Maximum Input Signal
Supply Voltage Rejection Ratio
I_b
Input Bias Current
Propagation Delay
V_O=2.5V
V_FB=5.0V
2≤V_O≤4 V
T_J=25°C ^{(Note 2)}
12V≤V_CC≤25V
Sink (V_O=1.1V, V_FB=2.7V)
Source (V_O=5.0V, V_FB=2.3V)
V_FB=2.3V, R_L=15K to ground
V_FB=2.7V, R_L=15K to V_REF
(Notes 3 & 4)
V_PIN1=5V ^{(Note 3)}
12V≤V_CC≤25V ^{(Note 3)}
Tj=25°C ^{(Note 2)}
Min.
4.90
-
-
-
4.82
-
-
-30
47
46
-
-
-
-
7.8
7.2
2.42
-
65
0.7
60
2.0
-0.5
5
-
2.85
0.9
-
-
-
Typ.
5
2.0
3.0
0.2
-
50
5
-100
52
52
0.2
5
0.5
1.7
8.3
-
2.50
-0.1
90
1.0
70
12
-1.0
6
0.7
3.0
1.0
70
-2.0
150
Max. Units
5.1
20
25
-
5.18
-
-
-180
V
mV
mV
mV/°C
V
uV
mV
mA
57 KHz
60 KHz
1
%
-
%
-
%
-
V
9.3
mA
9.5
mA
2.58
V
-2.0
uA
-
dB
-
MHz
-
dB
-
mA
-
mA
-
V
1.1
V
3.15 V/V
1.1
V
-
dB
-10
uA
300
nS
AVANTICS - AX3842 Series
Specification No.: 050308-FE0008