MIC38C44YM Micrel Inc, MIC38C44YM Datasheet - Page 4
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MIC38C44YM
Manufacturer Part Number
MIC38C44YM
Description
Monolithic SMPS Controller ( )
Manufacturer
Micrel Inc
Datasheet
1.MIC38C42YN.pdf
(11 pages)
Specifications of MIC38C44YM
Lead Free Status
Lead free
Pwm Type
Current Mode
Number Of Outputs
1
Frequency - Max
500kHz
Duty Cycle
50%
Voltage - Supply
9 V ~ 20 V
Buck
Yes
Boost
Yes
Flyback
Yes
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
Yes
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (3.9mm Width)
Frequency-max
500kHz
Lead Free Status / RoHS Status
Other names
576-1776-5
MIC38C44YM
MIC38C44YM
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MIC38C44YM
Manufacturer:
MICREL
Quantity:
210
Part Number:
MIC38C44YM
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
MIC38C42/3/4/5
Absolute Maximum Ratings
Zener Current (V
Supply Voltage (V
Switch Supply Voltage (V
Current Sense Voltage (V
Feedback Voltage (V
Output Current, 38C42/3/4/5 (I
Storage Temperature (T
Electrical Characteristics
V
Parameter
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temp. Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
Oscillator Section
Initial Accuracy
Voltage Stability
Temp. Stability
Clock Ramp
Reset Current
Amplitude
Error Amp Section
Input Voltage
Input Bias Current
A
Unity Gain Bandwidth
PSRR
Output Sink Current
Output Source Current
V
V
M9999-091107
VOL
DD
OUT
OUT
= 15V, Note 4; R
High
Low
Operation at ≥18V may require
special precautions (Note 6).
DD
DD
T
) ................................................... 30mA
), Note 6 ........................................ 20V
FB
= 11.0k; C
) .................................–0.3V to 5.5V
A
) ......................... –65°C to +150°C
D
ISNS
) ........................................... 20V
) .......................–0.3V to 5.5V
T
OUT
= 3.3nF; –40°C ≤ T
Test Conditions
T
12V ≤ V
1 ≤ I
Note 1
Line, Load, Temp., Note 1
10Hz ≤ f ≤ 10kHz, T
T
T
12 ≤ V
T
T
T
V
V
V
2 ≤ V
Note 1
12 ≤ V
V
V
V
V
A
A
A
A
A
MIN
RT/CT
COMP
FB
FB
FB
FB
FB
) ............................. 0.5A
= 25°C, I
= 125°C, 1000 hrs., Note 1
= 25°C, Note 5
= 25°C, V
= T
O
= 5.0V
= 2.7V, V
= 2.3V, V
= 2.3V, R
= 2.7V, R
≤ T
O
MIN
≤ 20mA
DD
DD
≤ 4V
peak to peak
= 2.5V
DD
A
≤ 18V, Note 6
≤ 18V
≤ T
to T
≤ 18V, I
O
RT/CT
MAX
COMP
COMP
L
L
= 1mA
MAX
= 15k to ground
= 15k to V
, Note 1
A
= 2V
O
≤ 85°C; unless noted
= 1.1V
= 5V
A
= 5µA, Note 6
= 25°C, Note 1
REF
4
Operating Ratings
Junction Temperature (T
Package Thermal Resistance
8-Pin Plastic DIP (θ
8-Pin MSOP (θ
8-Pin SOIC (θ
14-Pin Plastic DIP (θ
14-Pin SOIC (θ
JA
JA
JA
) ................................................170°C/W
) ..............................................250°C/W
) ..............................................145°C/W
JA
JA
) .......................................125°C/W
J
) ......................................90°C/W
) ......................................... 150°C
4.90
4.82
2.42
–0.5
Min
–30
7.7
7.2
0.7
49
65
60
2
5
5.00
0.04
2.50
–0.1
Typ
–80
0.2
0.2
8.4
8.4
1.9
1.0
6.8
0.1
50
52
90
14
–1
2
1
5
September 2007
–180
Max
5.10
5.18
2.58
1.0
9.0
9.5
1.1
20
25
25
55
–2
Micrel, Inc.
mV/°C
Units
%/°C
Vp-p
MHz
kHz
mV
mV
mV
mA
mA
mA
mA
mA
µV
µA
dB
dB
%
V
V
V
V
V