MIC9131YM View Datasheet(PDF) - Micrel
Part Name
Description
MFG CO.
MIC9131YM Datasheet PDF : 19 Pages
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MIC9131
Micrel, Inc.
Absolute Maximum Ratings (Note 1)
Line Input Voltage (VLINE) ......................................... +190V
VCC Input Voltage (VCC) .............................................. +19V
Current Sense Input Voltage (VISNS).............. –0.3 to +5.3V
Enable Voltage (VEN) ............................ –0.3 to VCC + 0.3V
Feedback Input Voltage (VFB) ........................ –0.3 to +5.3V
Sync Input Voltage (VSYNC)............................ –0.3 to +5.3V
Soft-Start Voltage (VSS).................................. –0.3 to +5.3V
UVLO Voltage (VUVLO) ................................... –0.3 to +5.3V
Storage Temperature (TS) ........................ –65°C to +150°C
Power Dissipation (PD) ........................................................
16-pin SOP ...................................400mW @ TA = +85°C
16-pin QSOP ................................245mW @ TA = +85°C
ESD Rating, Note 3
Operating Ratings (Note 2)
Line Input Voltage (VLINE) .................VCC to +180V, Note 4
VCC Input Voltage (VCC) .................................. +9V to +18V
Junction Temperature Range (TJ) ............ –40°C to +125°C
Package Thermal Resistance
16-pin SOP (θJA) .............................................. 100°C/W
16-pin QSOP (θJA) ............................................ 163°C/W
Electrical Characteristics
TA = 25°C, VLINE = 48V, VCC = 10V, Rt = 9.47KΩ, Ct = 470pF, RBIAS = 562kΩ, VEN = 10V, VISNS = 0V, VUVLO = 2V, VSYNC = 0V, unless
otherwise noted. Bold values indicate –40 °C ≤TJ ≤ +125°C.
Parameter
Condition
Min Typ Max Units
Bias Regulator
Output Voltage
IVBIAS = 0mA; VOSC = 0V (Oscillator OFF)
4.7 4.85 5.0
V
4.6
5.1
V
Line Regulation
Load Regulation
Oscillator Section
9V ≤ VCC ≤18V, IVBIAS = 0mA; VOSC = 0V
0mA ≤ IVBIAS ≤ 5mA; VOSC = 0V
24
40
mV
5
30
mV
Initial Accuracy (fOSC)
Oscillator Output Frequency
Maximum Duty Cycle
Rt = 9.47KΩ, Ct = 470pF
180 200 220 kHz
fOSC/4
kHz
75
%
Voltage Stability (Δf/f)
Temperature Stability
ppm/°C
9V ≤ VCC ≤18V
–40°C ≤ TJ ≤ 125°C
2.5
%
100
Maximum Sync Frequency
Note 5
6
MHz
Sync Threshold Level
2.5
V
Sync Hysteresis
0.7
V
Sync Minimum Pulse Width
50
ns
Error Amp Section
FB Voltage
VCOMP = VFB
2.475 2.5 2.525 V
2.45
2.55
Open Loop Voltage Gain, AVOL
Unity Gain Bandwidth
90
dB
4
MHz
PSRR
COMP Sink Current
COMP Source Current
VCOMP Low
VCOMP High
Input Bias Current (IFB)
Slew Rate
9V ≤ VCC ≤ 18V
VFB = 2.7V; VCOMP = 5V
VFB = 2.3V; VCOMP = 0V
VFB = 2.7V; ICOMP = –50µA
VFB = 2.3V; ICOMP = +500µA
VFB = VCOMP
SINK
60
dB
80
100
µA
1
2.5
mA
115 300 mV
3.5
4
V
160
nA
1.5
V/µs
SOURCE
1.5
V/µs
August 2006
3
M9999-080206
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