MIC2177-5.0BWM Micrel Inc, MIC2177-5.0BWM Datasheet - Page 4

• Manufacturer Part Number: MIC2177-5.0BWM
• Description: IC REG SYNCBUCK 2.5A 5.0V 20SOIC
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC2177-5.0BWM

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 5V
• 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: Contains lead / RoHS non-compliant
• Power - Output: -

Absolute Maximum Ratings
Supply Voltage [100ms transient] (V
Output Switch Voltage (V
Output Switch Current (I
Enable, Output-Sense Voltage (V
Sync Voltage (V
Electrical Characteristics
V
Micrel, Inc.
Symbol
I
V
V
V
V
V
I
A
f
D
t
I
I
R
April 2008
IN
SS
FB
O
ON min
SYNC
LIM
BIAS
FB
OUT
TH
TL
VOL
MAX
ON
= 7.0V; T
Parameter
Input Supply Current
Bias Regulator Output Voltage
Feedback Voltage
Output Voltage
Undervoltage Lockout
Feedback Bias Current
Error Amplifier Gain
Error Amplifier Output Swing
Error Amplifier Output Current
Oscillator Frequency
Maximum Duty Cycle
Minimum On-Time
SYNC Frequency Range
SYNC Threshold
SYNC Minimum Pulse Width
SYNC Leakage
Current Limit
Switch On-Resistance
A
= 25°C, bold values indicate –40°C< T
SYNC
)........................................................6V
SW
SW
)...........................................6.0A
). .........................................18V
EN
, V
IN
) ..........................18V
OUT
). ...................18V
Condition
PWM mode, output not switching,
4.5V ≤ V
skip mode, output not switching,
4.5V ≤ V
V
V
MIC2177 [adj.]: V
MIC2177 [adj.]: V
5V ≤ V
MIC2177-5.0: I
MIC2177-5.0:
6V ≤ V
MIC2177-3.3: I
MIC2177-3.3:
5V ≤ V
upper threshold
lower threshold
MIC2177 [adj.]
MIC2177-5.0, MIC2177-3.3
0.6V ≤ V
upper limit
Lower limit
source and sink
V
V
V
PWM mode, V
skip mode
high-side switch, V
low-side switch, V
EN
IN
FB
FB
SYNC
= 16.5V
= 1.0V
= 1.5V
= 0V, 4.5V ≤ V
= 0V to 5.5V
IN
IN
IN
IN
IN
COMP
≤ 16V, 10mA ≤ I
≤ 16V, 10mA ≤ I
≤ 16V, 10mA ≤ I
A
≤ 16.5V
≤ 16.5V
< +85°C, unless noted.
≤ 0.8V
IN
LOAD
LOAD
= 12V
OUT
OUT
IN
IN
IN
= 0
= 0
= 12V
4
≤ 16.5V
= 12V
Operating Ratings
Supply Voltage (V
Junction Temperature (T
= 3.3V, I
= 3.3V,
LOAD
LOAD
LOAD
LOAD
≤ 2A
≤ 2A
≤ 2A
= 0
IN
)....................................... 4.5V to 16.5V
J
) ........................ –40°C to +125°C
3.10
1.22
3.20
3.14
4.85
4.85
4.75
3.20
3.20
3.14
Min
160
100
220
500
3.9
0.9
0.8
3.8
15
15
–1
1.245
3.30
4.25
4.15
0.05
0.01
Typ
500
200
300
600
110
1.0
3.3
5.0
5.0
3.3
3.3
1.5
1.6
4.7
60
20
18
25
90
1
Max
3.40
1.27
3.40
3.46
5.15
5.15
5.25
3.40
3.40
3.46
4.35
650
150
240
400
300
250
250
1.5
0.1
2.2
5.7
M9999-042108
25
40
20
35
1
MIC2177
Units
kHz
kHz
mA
mA
mΩ
mΩ
µA
µA
µA
µA
µA
nA
ns
ns
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A