MIC2177-3.3BWM TR Micrel Inc, MIC2177-3.3BWM TR Datasheet - Page 12
![no-image](/images/manufacturer_photos/0/4/434/micrel_inc_sml.jpg)
MIC2177-3.3BWM TR
Manufacturer Part Number
MIC2177-3.3BWM TR
Description
IC REG SYNCBUCK 2.5A 3.3V 20SOIC
Manufacturer
Micrel Inc
Type
Step-Down (Buck)r
Datasheet
1.MIC2177-3.3YWM_TR.pdf
(15 pages)
Specifications of MIC2177-3.3BWM TR
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
2.5A
Frequency - Switching
200kHz
Voltage - Input
4.5 ~ 16.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Other names
MIC2177-3.3BWMTR
MIC2177-3.3BWMTR
MIC2177-3.3BWMTR
Skip-Mode Functional Diagram
Micrel, Inc.
April 2008
MIC2177 [Adjustable] Skip-Mode Signal Pat
Output Control Logic
I
V
One-Shot
Pulse
V
L 1
V
V
S W
F B
R E F
R E F
+ 5mV
– 5mV
V
I
O U T
V
LIM
IN
0
0
Shot
One
Comp.
S G N D
I
Thresh.
Voltage
LIMIT
Skip-Mode
Comp.
I
LIMIT
V
S
R
R E F
14
Q
1.245V
15
16
17
12
I
Amp.
S E N S E
P-channel
VIN
100m
4.5V to 16.5V
1
2
V
IN
9
S W
3
8
P GND
4
5
6
7
F B
12
C
IN
V
OUT
D
= 1.245
L1
I
L1
C
O U T
(
R2
R1
R 1
R 2
+ 1
V
)
O U T
M9999-042108
MIC2177