MIC38C45ABMM Micrel Inc, MIC38C45ABMM Datasheet - Page 4

• Manufacturer Part Number: MIC38C45ABMM
• Description: IC CTRLR PWM CURRENT MODE 8-MSOP
• Manufacturer: Micrel Inc

Specifications of MIC38C45ABMM

• 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-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Frequency-max: 500kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

MIC38C42A/43A/44A/45A
Absolute Maximum Ratings
Supply Voltage (V
Switch Supply Voltage (V
Current Sense Voltage (V
Feedback Voltage (V
Output Current (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
M9999-042205
DD
VOL
OUT
OUT
= 15V, Note 4; R
High
Low
OUT
DD
T
) .................................................... 20V
) ................................................... 0.5A
FB
= 11.0k; C
) ................................ –0.3V to 5.5V
A
D
) ....................... –65°C to +150°C
ISNS
) .......................................... 20V
) ..................... –0.3V to 5.5V
T
= 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
V
V
V
2 ≤ V
Note 1
12 ≤ V
V
V
V
V
A
A
A
MIN
A
RT/CT
COMP
FB
FB
FB
FB
FB
(Note 6)
= 25°C, I
= 125°C, 1000 hrs., Note 1
= 25°C, Note 5
= 25°C, V
O
= 5.0V
= 2.7V, V
= 2.3V, V
= 2.3V, R
= 2.7V, R
≤ T
O
≤ 20mA
DD
DD
≤ 4V
peak to peak
= 2.5V
DD
A
≤ 18V
≤ 18V
≤ T
≤ 18V, I
O
RT/CT
MAX
COMP
COMP
L
L
= 1mA
= 15k to ground
= 15k to V
, Note 1
A
= 2V, Note 1
O
= 1.1V
= 5V
A
≤ 85°C; unless noted
= 5µA
= 25°C, Note 1
REF
4
Operating Ratings
Junction Temperature (T
Package Thermal Resistance
8-Pin MM8™ (θ
8-Pin SOIC (θ
JA
JA
) ............................................... 170°C/W
) ............................................. 250°C/W
J
) ........................................ 150°C
4.90
4.82
–0.3
Min
–30
7.7
2.4
0.7
47
65
60
2
5
5.00
0.04
2.50
–0.1
Typ
–80
0.2
0.2
8.4
1.9
1.0
6.8
0.1
50
53
90
14
–1
2
1
5
–180
Max
5.10
5.18
2.58
1.0
9.0
1.1
20
25
25
59
–2
Micrel, Inc.
April 2005
mV/°C
Units
%/°C
Vp-p
MHz
kHz
mV
mV
mV
mA
mA
mA
mA
µV
µA
dB
dB
%
V
V
V
V
V