MIC3172YN Micrel Inc, MIC3172YN Datasheet - Page 7

IC REG SW 100KHZ 1.25A 8-DIP

MIC3172YN

Manufacturer Part Number
MIC3172YN
Description
IC REG SW 100KHZ 1.25A 8-DIP
Manufacturer
Micrel Inc
Type
Step-Down (Buck), Step-Up (Boost), Inverting, Cukr
Datasheets

Specifications of MIC3172YN

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Current - Output
1.25A
Frequency - Switching
100kHz
Voltage - Input
3 ~ 40 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Power - Output
302mW
Primary Input Voltage
40V
No. Of Outputs
1
Output Current
3A
No. Of Pins
8
Operating Temperature Range
-40°C To +85°C
Supply Voltage Range
3V To 40V
Termination Type
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
576-2255
MIC3172YN
MIC2172/3172
Typical Performance Characteristics
Block Diagram MIC2172
April 2005
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-100
Error Amplifier Gain
-50
Temperature (°C)
0
50
SYNC
P i n 5
100
Pin 4
Pin 3
V
FB
I N
150
1.24V
Pin 1
GND
Ref.
S
Reg.
Amp.
Error
2.3V
100kHz
Osc.
7000
6000
5000
4000
3000
2000
1000
0
1
COMP
Pin 2
parator
Error Amplifier Gain
Logic
Com-
10
Frequency (kHz)
7
100
1000
Anti-Sat.
Driver
Current
Amp.
10000
D1
GND
Pin 6
Pin 7
V
P
2
SW
Q1
GND
Pin 8
P
1
120
150
180
210
-30
30
60
90
0
1
Error Amplifier Phase
10
Frequency (kHz)
100
1000
M9999-042205
Micrel, Inc.
10000

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