MIC38HC45YM Micrel Inc, MIC38HC45YM Datasheet - Page 4
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MIC38HC45YM
Manufacturer Part Number
MIC38HC45YM
Description
Monolithic SMPS Controller ( )
Manufacturer
Micrel Inc
Datasheet
1.MIC38HC43YM_TR.pdf
(8 pages)
Specifications of MIC38HC45YM
Pwm Type
Current Mode
Number Of Outputs
1
Frequency - Max
500kHz
Duty Cycle
50%
Voltage - Supply
7.6 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
Number Of Pwm Outputs
1
On/off Pin
No
Adjustable Output
No
Switching Freq
500KHz
Operating Supply Voltage (max)
20V
Output Current
1000A
Synchronous Pin
No
Rise Time
20ns
Fall Time
15ns
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
576-1519-5
MIC38HC45YM
MIC38HC45YM
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MIC38HC45YM
Manufacturer:
MICREL
Quantity:
51
MIC38HC42/3/4/5
Absolute Maximum Ratings
Zener Current (V
Supply Voltage (V
Switch Supply Voltage (V
Current Sense Voltage (V
Feedback Voltage (V
Output Current, 38HC42/3/4/5 (I
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
M9999-042205
DD
VOL
OUT
OUT
= 15V, Note 4; R
High
Low
Operation at
special precautions (Note 6).
DD
DD
) ................................................... 30mA
T
), Note 6 ....................................... 20V
FB
= 9.09kΩ; C
) ................................ –0.3V to 5.5V
D
ISNS
) .......................................... 20V
≥
18V may require
) ..................... –0.3V to 5.5V
OUT
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
= 3.3nF; –40°C ≤ T
A
A
A
MIN
A
A
RT/CT
COMP
FB
FB
FB
FB
FB
= 25°C, I
= 125°C, 1000 hrs., Note 1
= 25°C, Note 5
= 25°C, V
= T
) .............................. 1A
O
= 5.0V
= 2.7V, V
= 2.3V, V
= 2.3V, R
= 2.7V, R
≤ T
O
≤ 20mA
DD
MIN
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
= 2V
O
= 1.1V
= 5V
A
A
= 5µA, Note 6
= 25°C, Note 1
≤ 85°C; unless noted
REF
4
Operating Junction Temperature (T
Package Thermal Resistance
Storage Temperature (T
8-Pin Plastic DIP (θ
8-Pin MM8™ (θ
8-Pin SOIC (θ
14-Pin Plastic DIP (θ
14-Pin SOIC (θ
JA
JA
JA
) ............................................... 170°C/W
) ............................................. 145°C/W
) ............................................. 250°C/W
JA
JA
) ....................................... 125°C/W
A
) ....................................... 90°C/W
) ....................... –65°C to +150°C
4.90
4.82
2.42
–0.5
Min
–30
7.7
7.2
0.7
49
65
60
2
5
J
) ....................... 150°C
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
–180
Max
5.10
5.18
2.58
1.0
9.0
9.5
1.1
20
25
25
55
–2
Micrel, Inc.
April 2005
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