MIC2184BM Micrel Inc, MIC2184BM Datasheet - Page 6

• Manufacturer Part Number: MIC2184BM
• Description: IC CTRLR PWM BUCK LV 16-SOIC
• Manufacturer: Micrel Inc

Specifications of MIC2184BM

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 440kHz
• Duty Cycle: 100%
• Voltage - Supply: 2.9 V ~ 14 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 440kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

MIC2184
Typical Characteristics
M9999-042205
3.005
3.000
2.995
2.990
2.985
2.980
2.975
2.970
1.246
1.245
1.244
1.243
1.242
1.241
1.24
4.5
3.5
2.5
1.5
0.5
4.9
4.8
4.7
4.6
4.5
4.4
Error Amp Reference Voltage
-40 -20 0 20 40 60 80 100120140
-40 -20 0 20 40 60 80 100120140
4
3
2
1
0
0
0
I
Q
V
= I
IN
V
Soft Start Current vs.
0.2
DD
Quiescent Current
= 3.3V
VINA
vs. Input Voltage
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
vs. Temperature
LOAD CURRENT (mA)
V
Temperature
0.4
+ I
DD
5
VINP
V
vs. Load
IN
0.6
A = V
0.8
10
IN
400kHz
I
P = 5V
STANDBY
200kHz
1
1.2
15
102.0
100.0
3.08
3.06
3.04
3.02
3.00
2.98
2.96
2.94
2.92
98.0
96.0
94.0
92.0
90.0
-0.5
-1.5
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.5
0.5
-1
-2
0
-40 -20 0 20 40 60 80 100120140
-40 -20 0 20 40 60 80 100120140
2
1
0
0
0
I
V
Q
Overcurrent Threshold
IN
V
2
Frequency Variation
2
= I
A = V
Quiescent Current
DD
INPUT VOLTAGE (V)
TEMPERATURE (°C)
vs. Input Voltage
vs. Input Voltage
TEMPERATURE (°C)
INPUT VOLTAGE (V)
vs. Temperature
VINA
4
4
vs. Temperature
IN
+ I
P = 3.3V
6
6
6
VINP
8
8
10 12 14
V
10 12 14
I
IN
STANDBY
200kHz
400kHz
400kHz
200kHz
= 5V
1.2451
1.2449
1.2447
1.2445
1.2443
1.2441
3.10
3.05
3.00
2.95
2.90
2.85
2.80
102
101
100
-11
-13
-15
99
98
97
96
95
-1
-3
-5
-7
-9
Error Amp Reference Voltage
-50 -30 -10 10 30 50 70 90 110
-40 -20 0 20 40 60 80 100120140
5
3
1
0
0
Frequency Variation vs.
Overcurrent Threshold
V
2
DD
INPUT VOLTAGE (V)
vs. Input Voltage
TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
vs. Temperature
4
Temperature
vs. Input Voltage
5
6
8
V
IN
V
10
10 12 14
A = V
IN
= 3.3V
200kHz
400kHz
IN
Micrel, Inc.
P
April 2005
15