MIC4684BM Micrel Inc, MIC4684BM Datasheet - Page 6

• Manufacturer Part Number: MIC4684BM
• Description: IC REG BUCK 2A ADJ VOLT HE 8SOIC
• Manufacturer: Micrel Inc
• Series: SuperSwitcher™r
• Type: Step-Down (Buck)r

Specifications of MIC4684BM

• Mounting Type: Surface Mount
• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 1.235V
• Current - Output: 2A
• Frequency - Switching: 200kHz
• Voltage - Input: 4 ~ 30 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-SOIC (3.9mm Width)
• No. Of Pins: 8
• Peak Reflow Compatible (260 C): No
• Current Rating: 2A
• Output Voltage Max: 1.235V
• Supply Voltage Max: 30V
• Leaded Process Compatible: No
• Voltage Regulator Type: Switching
• 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

Micrel, Inc.
January 2010
1.210
1.209
1.208
1.207
1.206
1.205
1.204
1.203
1.202
1.201
1.200
5.08
5.07
5.06
5.05
5.04
5.03
5.02
5.01
4.99
4.98
5
0
V
V
I
5
OUT
IN
OUT
INPUT VOLTAGE (V)
Feedback Voltage
Line Regulation
= 12V
10 15 20 25 30 35 40
TEMPERATURE (°C)
vs. Temperature
= 100mA
=V
FB
I
OUT
= 500mA
1.18
1.16
1.14
1.12
1.08
1.06
1.04
1.02
1.2
1.1
-1
-50
6
5
4
3
2
1
0
1
Shutdown Hysteresis
0
TEMPERATURE (°C)
Enable Threshold
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
50
Upper Threshold
Lower Threshold
6
V
V
I
100
OFF
OUT
IN
OUT
= 12V
= 100mA
= 5V
150
ON
200
5.020
5.018
5.016
5.014
5.012
5.010
5.008
5.006
5.004
5.002
5.000
0
0.2 0.4 0.6 0.8
OUTPUT CURRENT (A)
Load Regulation
V
IN
1
= 12V
M9999-012610
1.2 1.4
MIC4684