mic9131 Micrel Semiconductor, mic9131 Datasheet - Page 3
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mic9131
Manufacturer Part Number
mic9131
Description
Mic9131 High-voltage, High-speed Telecom Dc-to-dc Controller
Manufacturer
Micrel Semiconductor
Datasheet
1.MIC9131.pdf
(19 pages)
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Absolute Maximum Ratings
Line Input Voltage (V
V
Current Sense Input Voltage (V
Enable Voltage (V
Feedback Input Voltage (V
Sync Input Voltage (V
Soft-Start Voltage (V
UVLO Voltage (V
Storage Temperature (T
Power Dissipation (P
ESD Rating, Note 3
Electrical Characteristics
T
otherwise noted. Bold values indicate –40 °C ≤T
Parameter
Bias Regulator
Output Voltage
Line Regulation
Load Regulation
Oscillator Section
Initial Accuracy (f
Oscillator Output Frequency
Maximum Duty Cycle
Voltage Stability (Δf/f)
Temperature Stability
ppm/°C
Maximum Sync Frequency
Sync Threshold Level
Sync Hysteresis
Sync Minimum Pulse Width
Error Amp Section
FB Voltage
Open Loop Voltage Gain, A
Unity Gain Bandwidth
PSRR
COMP Sink Current
COMP Source Current
V
V
Input Bias Current (I
Slew Rate
August 2006
MIC9131
A
COMP
COMP
CC
16-pin SOP ...................................400mW @ T
16-pin QSOP ................................245mW @ T
= 25°C, V
Input Voltage (V
Low
High
LINE
OSC
= 48V, V
UVLO
EN
FB
)
)
) ............................ –0.3 to V
SS
CC
LINE
D
SYNC
) ................................... –0.3 to +5.3V
) ........................................................
) .................................. –0.3 to +5.3V
CC
) .............................................. +19V
S
VOL
) ......................................... +190V
) ........................ –65°C to +150°C
= 10V, R
FB
) ............................ –0.3 to +5.3V
) ........................ –0.3 to +5.3V
ISNS
Condition
I
9V ≤ V
0mA ≤ I
R
9V ≤ V
–40°C ≤ T
Note 5
V
9V ≤ V
V
V
V
V
V
SINK
SOURCE
VBIAS
t
COMP
FB
FB
FB
FB
FB
t
= 9.47KΩ, C
= 9.47KΩ, C
) .............. –0.3 to +5.3V
= 2.7V; V
= 2.3V; V
= 2.7V; I
= 2.3V; I
= V
= 0mA; V
CC
CC
CC
= V
(Note 1)
VBIAS
COMP
≤18V, I
≤18V
J
≤ 18V
FB
≤ 125°C
J
COMP
COMP
≤ 5mA; V
COMP
COMP
≤ +125°C.
t
t
OSC
= 470pF, R
= 470pF
VBIAS
A
A
CC
= –50µA
= +500µA
= 5V
= 0V
= +85°C
= +85°C
= 0V (Oscillator OFF)
+ 0.3V
= 0mA; V
OSC
BIAS
= 0V
3
= 562kΩ, V
OSC
Operating Ratings
Line Input Voltage (V
V
Junction Temperature Range (T
Package Thermal Resistance
CC
16-pin SOP (θ
16-pin QSOP (θ
= 0V
Input Voltage (V
EN
= 10V, V
JA
JA
) .............................................. 100°C/W
ISNS
) ............................................ 163°C/W
CC
LINE
= 0V, V
) .................................. +9V to +18V
) .................V
(Note 2)
2.475
2.45
Min
180
UVLO
4.7
4.6
3.5
80
1
J
) ............ –40°C to +125°C
= 2V
f
OSC/4
4.85
Typ
200
100
100
160
115
2.5
2.5
0.7
2.5
2.5
1.5
1.5
24
75
50
90
60
CC
,
5
6
4
4
V
SYNC
to +180V, Note 4
2.525
Max
2.55
220
300
= 0V, unless
5.0
5.1
40
30
M9999-080206
Micrel, Inc.
Units
MHz
MHz
V/µs
V/µs
kHz
kHz
mV
mV
mV
mA
dB
dB
µA
ns
nA
%
%
V
V
V
V
V
V