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MIC2204YMM-TR

P1-P3P4-P6P7-P9P10-P11
MIC2204 Micrel, Inc.
M9999-042205 4 April 2005
Typical Characteristics
50
55
60
65
70
75
80
85
90
95
100
0
50
100
150
200
250
300
350
400
450
500
EFFI
C
IEN
C
Y (%)
OUTPUT CURRENT (mA)
Efficiency
vs. Output Current
3V
IN
3.5V
IN
4V
IN
1.8V
OUT
50
55
60
65
70
75
80
85
90
95
100
0 100 200 300 400 500
EFFI
C
IEN
C
Y (%)
OUTPUT CURRENT (mA)
Efficiency
vs. Output Current
4.2V
IN
3.6V
IN
3.3V
IN
2.5V
OUT
50
55
60
65
70
75
80
85
90
95
100
0 100 200 300 400 500
EFFICIENCY (%)
OUTPUT CURRENT (mA)
Efficiency
vs. Output Current
3.6V
IN
4.2V
IN
3.3V
OUT
5V
IN
0.99
0.9925
0.995
0.9975
1
1.0025
1.005
1.0075
1.01
00.10.20.3 0.4 0.5
OUTPUT VOLTAGE (V)
OUTPUT CURRENT
(
A
)
Output Voltage
vs. Output Current
0.99
0.995
1
1.005
1.01
-40 -20 0 20 40 60 80 100 120
OUTPUT VOLTAGE (V)
TEMPERATURE
(
°C
)
Output Voltage
vs. Temperature
0
0.5
1.0
1.5
2.0
2.5
0246
V
BIAS
(V)
SUPPLY VOLTAGE (V)
V
BIAS
vs. Supply Voltage
V
FB
= 0V
2.302
2.304
2.306
2.308
2.31
2.312
2.314
2.316
2.318
2.32
-40 -20 0 20 40 60 80 100 120
BIAS SUPPLY (V)
TEMPERATURE
(
°C
)
Bias Supply
vs. Temperature
0
50
100
150
200
250
300
350
0123456
I
Q
(µA)
SUPPLY VOLTAGE
(
V
)
Quiescent Current
vs. Supply Voltage
V
FB
= 0V
298
300
302
304
306
308
310
312
314
316
318
-40 -20 0 20 40 60 80 100 120
I
Q
(µA)
TEMPERATURE
(
°C
)
Quiescent Current
vs. Temperature
V
IN
= 3.6V
1.60
1.70
1.80
1.90
2.00
2.10
2.20
2.30
2.40
-40 -20 0 20 40 60 80 100 120
FREQUENCY (MHz)
TEMPERATURE
(
°C
)
Frequency
vs. Temperature
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2.3 2.8 3.3 3.8 4.3 4.8 5.3
ENABLE THRESHOLD (V)
SUPPLY VOLTAGE (V)
Enable Threshold
vs. Supply Voltage
Enable On
Enable Off
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
-40 -20 0 20 40 60 80 100 120
ENABLE THRESHOLD (V)
TEMPERATURE
(
°C
)
Enable Threshold
vs. Temperature
V
IN
= 3.6V
April 2005 5 M9999-042205
MIC2204 Micrel, Inc.
Functional Characteristics
Enable Transient
TIME (40µs/div.)
ENABLE
2V/div
V
OUT
500mV/div
V
IN
= 3.6V
V
OUT
= 1V
L = 4.7µH
C = 10µF
Disable Transient
TIME (40µs/div.)
ENABLE
2V/div
V
OUT
500mV/div
V
IN
= 3.6V
V
OUT
= 1V
L = 4.7µH
C = 10µF
I
OUT
= 500mA
Line Transient
TIME (200µs/div.)
V
IN
2V/div
V
OUT
20mV/div
V
OUT
= 1V
L = 4.7µH
C = 10µF
I
OUT
= 500mA
Load Transient
TIME (20µs/div.)
V
IN
200mA/div
V
OUT
50mV/div
V
IN
= 3.6V
V
OUT
= 2V
L = 4.7µH
C = 4.7µF
Switch Node Output Ripple
TIME (400ns/div.)
I
OUT
= 500mA
L = 4.7µHC = 10µF X5R
V
SW
2V/div
OUTPUT RIPPLE
10mV/div
V
IN
= 3.6V
V
OUT
= 1V
MIC2204 Micrel, Inc.
M9999-042205 6 April 2005
Block Diagram
Error
Amplifier
SW
C
OUT
V
OUT
FB
EN
BIAS
SYNC_IN
SYNC_OUT
PGND
PWM
Comparator
1.0V
MIC2204
Internal
Supply
Oscillator
Ramp
Generator
V
IN
C
IN
VIN
Driver
MIC2204 Block Diagram
P1-P3P4-P6P7-P9P10-P11

MIC2204YMM-TR

Mfr. #:
Buy MIC2204YMM-TR
Manufacturer:
Microchip Technology / Micrel
Description:
Switching Voltage Regulators 2MHz Synchronous Buck Regulator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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