MIC4680-3.3BM Micrel Inc, MIC4680-3.3BM Datasheet - Page 5

IC REG BUCK 1A 3.3V 8SOIC

MIC4680-3.3BM

Manufacturer Part Number
MIC4680-3.3BM
Description
IC REG BUCK 1A 3.3V 8SOIC
Manufacturer
Micrel Inc
Series
SuperSwitcher™r
Type
Step-Down (Buck)r
Datasheet

Specifications of MIC4680-3.3BM

Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
1A
Frequency - Switching
200kHz
Voltage - Input
4 ~ 34 V
Operating Temperature
-40°C ~ 125°C
Output Current
1.3A
Output Voltage
3.3VDC
No. Of Pins
8
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant, Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MIC4680-3.3BM
Manufacturer:
MICREL
Quantity:
2 900
Part Number:
MIC4680-3.3BM
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
Company:
Part Number:
MIC4680-3.3BM
Quantity:
878
Typical Characteristics
Micrel, Inc.
March 2008
5.06
5.05
5.04
5.03
5.02
5.01
5.00
4.99
4.98
4.97
4.96
220
210
200
190
180
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
20
10
0
0
-50 -25
-50 -25
0
0
I
V
V
0.2 0.4 0.6 0.8 1.0 1.2 1.4
OUT
IN
SHDN
OUTPUT CURRENT (A)
5
12V
Shutdown Current
TEMPERATURE (°C)
= 12V
TEMPERATURE (°C)
vs. Temperature
INPUT VOLTAGE (V)
Line Regulation
= 1.0A
Frequency vs.
0
3.3V Output
10 15 20
Temperature
0
= V
Efficiency
24V
IN
25
25
50
6V
50
75 100 125
75 100 125
25 30 35
1.242
1.240
1.238
1.236
1.234
1.232
1.230
1.228
5.04
5.02
5.00
4.98
4.96
90
80
70
60
50
40
30
20
10
6
5
4
3
2
1
0
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
0
-50 -25 0
0
V
0.2 0.4 0.6 0.8 1.0 1.2 1.4
0.2 0.4 0.6 0.8 1.0 1.2 1.4
IN
OUTPUT CURRENT (A)
12V
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
= 12V
Feedback Voltage
Load Regulation
Characteristic
TEMPERATURE (°C)
Current Limit
vs. Temperature
5V Output
Efficiency
24V
25 50 75 100 125 150
5
7V
V
V
V
V
I
OUT
IN
OUT
IN
OUT
= 12V
= 12V
= 1A
= 5V
= 5V
100
202
201
200
199
198
197
196
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
100
80
60
40
20
90
80
70
60
50
40
30
20
10
0
0
0
-50 -25
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
0
0
V
V
I
LOAD
IN
OUT
5
5
OUTPUT CURRENT (A)
Saturation Voltage
Shutdown Current
SUPPLY VOLTAGE (V)
= 12V
TEMPERATURE (°C)
15V
vs. Temperature
vs. Input Voltage
INPUT VOLTAGE (V)
Supply Voltage
= 5V
= 1A
Frequency vs.
10 15
10 15
0
12V Output
Efficiency
25
24V
50
20 25 30 35
20 25 30 35
M9999-032808
75 100 125
MIC4680

Related parts for MIC4680-3.3BM