MIC2171WU Micrel Inc, MIC2171WU Datasheet - Page 3

• Manufacturer Part Number: MIC2171WU
• Description: IC REG SW 100KHZ 2.5A TO263-5
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck), Step-Up (Boost), Inverting, Cukr

Specifications of MIC2171WU

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Current - Output: 2.5A
• Frequency - Switching: 100kHz
• Voltage - Input: 3 ~ 40 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Power - Output: 1.3W
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Switching Freq: 112KHz
• Operating Supply Voltage (max): 40V
• Output Current: 2.5A
• Output Voltage: 65V
• Synchronous Pin: No
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 5 +Tab
• Package Type: TO-263
• Duty Cycle: 95%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-1063

Absolute Maximum Ratings
Supply Voltage (V
Switch Voltage (V
Feedback Voltage (transient, 1ms) (V
Lead Temperature (soldering, 10 sec.)...................... 300°C
Storage Temperature (T
ESD Rating
Electrical Characteristics
V
Notes:
1. Devices are ESD sensitive. Handling precautions recommended.
2. Mounted vertically, no external heat sink, 1/4 inch leads soldered to PC board containing approximately 4 inch squared copper area surrounding
3. All ground leads soldered to approximately 2 inches squared of horizontal PC board copper area.
4. For duty cycles (δ) between 50% and 95%, minimum guaranteed switch current is I
Micrel, Inc.
Parameter
Reference Section
Feedback Voltage (V
Feedback Voltage
Line Regulation
Feedback Bias Current (I
Error Amplifier Section
Transconductance (g
Voltage Gain (A
Output Current
Output Swing
Compensation Pin Threshold
Output Switch Section
ON Resistance
Current Limit
Breakdown Voltage (BV)
Oscillator Section
Frequency (f
Duty Cycle [δ(max)]
Input Supply Voltage Section
Minimum Operating Voltage
Quiescent Current (I
Supply Current Increase (∆I
May 2007
IN
leads.
= 5V; T
A
(1)
= 25°C, bold values indicate –40°C< T
O
)
V
)
SW
IN
) .......................................................40V
Q
)......................................................65V
FB
m
)
)
)
FB
s
) .........................–65°C to +150°C
)
IN
)
V
3V ≤ V
V
V
∆I
0.9V ≤ V
V
High Clamp, V
Low Clamp, V
Duty Cycle = 0
Duty Cycle = 50%, T
Duty Cycle = 50%, T
Duty Cycle = 80%, Note 4
3V ≤ V
I
3V ≤ V
∆I
Condition
I
SW
SW
COMP
COMP
FB
COMP
COMP
SW
= 2A, V
= 5mA
= 1.24V
= 2A, V
FB
= 1.24V
= 1.24V
= 1.5V
IN
IN
IN
= ±25µA
) .....................±15V
COMP
≤ 40V
≤ 40V
≤ 40V, V
FB
COMP
≤ 1.4V
= 0.8V
FB
FB
= 1.5V
= 1V
COMP
= 1.5V, during switch on-time
J
J
A
≥ 25°C
< 25°C
= 0.6V, I
< +85°C, unless noted.
SW
3
= 0
Operating Ratings
Operating Temperature Range ................... –40°C to +85°C
Junction Temperature (T
Thermal Resistance
TO-220-5 (θ
TO-263-5 (θ
CL
= 1.66 (2-δ) Amp (Pk).
JA
JA
)
)
(3)
(2)
................................................45°C/W
...............................................45°C/W
J
) ........................ –55°C to +150°C
1.220
1.214
0.25
Min
400
125
100
3.0
2.4
1.8
0.8
0.6
2.5
2.5
2.5
65
88
85
80
1.240
0.35
0.37
Typ
310
800
175
100
0.6
3.9
2.1
0.9
3.6
4.0
3.0
2.7
75
90
7
9
1.264
1.274
1100
2000
M9999-051107
Max
0.52
1.08
1.25
0.50
0.55
750
350
400
112
115
6.0
7.0
2.3
5.0
5.5
5.0
3.0
95
20
9
MIC2171
µA/mV
µA/mV
Units
%/V
kHz
kHz
V/V
mA
mA
nA
nA
µA
µA
%
Ω
Ω
V
V
V
V
V
V
A
A
A
V
V