MIC38HC45-1YM Micrel Inc, MIC38HC45-1YM Datasheet - Page 4

• Manufacturer Part Number: MIC38HC45-1YM
• Description: Monolithic SMPS Controller ( )
• Manufacturer: Micrel Inc

Specifications of MIC38HC45-1YM

• 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: 14-SOIC (3.9mm Width), 14-SOL
• 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: 14
• Package Type: SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-2301; MIC38HC45-1YM

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