MIC2177-3.3YWM TR Micrel Inc, MIC2177-3.3YWM TR Datasheet - Page 11
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MIC2177-3.3YWM TR
Manufacturer Part Number
MIC2177-3.3YWM 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 MIC2177-3.3YWM 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
Lead free / RoHS Compliant
Power - Output
-
Other names
576-1542-2
MIC2177-3.3YWMTR
MIC2177-3.3YWMTR
MIC2177-3.3YWMTR
MIC2177-3.3YWMTR
PWM-Mode Functional Diagram
Micrel, Inc.
April 2008
Stop
C
C
C O M P
S Y N C
R
C
18
13
MIC2177 [Adjustable] PWM-Mode Signal Path
Oscillator
200kHz
I
I
V
Reset
Pulse
Error Amp.
Output
L 1
S E N S E
S W
Corrective
Ram p
Reset
Pulse
I
LOAD
Q
R
S
Comp.
PWM
S G N D
V
R E F
Amp.
Error
14
1.245V
15 16
11
17
I
Amp.
S E N S E
P-channel
N-channel
VIN
100m
100m
4.5V to 16.5V
1
2
V
IN
9
S W
3
8
P GND
4
5
6
7
F B
12
I
C
L1
IN
V
OUT
D
= 1.245
L1
I
L1
C
OU T
(
R2
R1
+ 1
R 1
R 2
M9999-042108
)
V
MIC2177
O U T