Electrical characteristics
(*VCC=15V, RT=10kΩ, CT=3.3nF, TA=00C to +700C, unless otherwise specified)
Characteristics
Symbol
Test Conditions
Min
Typ
Max
Units
Reference Section
Reference Output Voltage
Line Regulation
V
REF
TJ = 25°C, IREF = 1 mA
4.9
5.0
6.0
5.1
20
V
mV
∆VREF
∆VREF
12V ≤ VCC ≤ 25 V
1 mA ≤ IREF ≤ 20mA
TA = 25°C
Load Regulation
6.0
25
Short Circuit Output Current
Oscillator Section
ISC
-100
-180
mA
MIK384XA
MIK384XAM
47
47
50
52
57
57
f
TJ = 25°C
Oscillation Frequency
KHz
Frequency Change with Voltage
Oscillator Amplitude
Error Amplifier Section
Input Bias Current
∆f/∆VCC
12V ≤ VCC ≤ 25 V
0.05
1.6
1.0
%
V
V(OSC)
(peak to peak)
IBIAS
VI(E.A)
AVOL
VFB=3V
-0.1
2.5
90
-2
µA
V
Input Voltage
Vpin1 = 2.5V
2.42
65
2.58
Open Loop Voltage Gain
Power Supply Rejection Ratio
Output Sink Current
Output Source Current
High Output Voltage
Low Output Voltage
Current Sense Section
Gain
2V ≤ V0 ≤ 4V
dB
PSRR
ISINK
12V ≤ VCC ≤ 25 V
Vpin2 = 2.7V, Vpin1 = 1.1V
Vpin2 = 2.3V, Vpin1 = 5V
Vpin2 = 2.3V, RL = 15KΩ to GND
Vpin2 = 2.7V, RL = 15KΩ to PIN 8
60
70
2
7
mA
mA
ISOURCE
-0.5
5.0
-1.0
6.0
0.8
V
V
OH
V
OL
1.1
GV
(Note 1 & 2)
2.85
0.9
3.0
1.0
70
3.15
1.1
V/V
V
Maximum Input Signal
Supply Voltage Rejection
Input Bias Current
VI(MAX)
SVR
IBIAS
V pin1 = 5V (Note1)
12V ≤ VCC ≤ 25 V (Note 1)
Vpin3 = 3V
dB
µA
-3.0
-10
Output Section
Low Output Voltage
VOL
VOH
ISINK = 20 mA
0.08
1.4
0.4
2.2
ISINK = 200 mA
V
High Output Voltage
ISINK = 20 mA
13
12
13.5
13.0
45
ISINK = 200 mA
Rise Time
tR
F
TJ = 25°C, CL = 1nF (Note 3)
TJ = 25°C, CL = 1nF (Note 3)
150
150
nS
Fall Time
t
35
Undervoltage Lockout Section
Start Theshold
MIK3842A(AM)/44A(AM)
MIK3843A(AM)/45A(AM)
MIK3842A(AM)/44A(AM)
MIK3843A(AM)/45A(AM)
14.5
7.8
16.0
8.4
10
17.5
9.0
VTH(ST)
V
V
VOPR(min)
Min. Operating Voltage
(After Turn On)
8.5
11.5
8.2
7.0
7.6
PWM Section
MIK3842A(AM)/43A(AM)
MIK3844A(AM)/45A(AM)
95
47
97
48
100
50
0
Max. Duty Cycle
D(MAX)
D(MAX)
%
Min. Duty Cycle
Total Standby Current
Start
−
Up Current
IST
ICC (OPR)
VZ
MIK384XA(AM)
Vpin3 = Vpin2 = 0V
ICC=25 mA
0.17
13
0.3
17
mA
V
Operating Supply Current
Zener Voltage
30
38
* - Adjust VCC above the start threshold before setting it to 15V.
Note 1: Parameter measured at trip point of latch with Vpin2=0.
Note 2: Gain defined as A=∆Vpin1/∆Vpin3 ; 0 ≤ Vpin3 ≤ 0.8V.
Note 3: These parameters, although guaranteed, are not 100% tested in production.
BEIJING ESTEK ELECTRONICS CO.,LTD
2
ESTEK [ Estek Electronics Co. Ltd ]
