MIC4742YTSE Micrel Inc, MIC4742YTSE Datasheet - Page 5

• Manufacturer Part Number: MIC4742YTSE
• Description: 2 MHz Dual 2A Integrated Switch Buck Regulator
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC4742YTSE

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: Adj to 0.6V
• Current - Output: 2A
• Frequency - Switching: 2MHz
• Voltage - Input: 2.9 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-3355-5

Micrel, Inc.
Typical Characteristics
March 2009
80
78
76
74
72
70
68
66
64
62
60
84
82
80
78
76
74
72
70
68
66
64
96
94
92
90
88
86
84
82
80
78
76
92
90
88
86
84
82
80
78
76
74
72
0
0
0
0
3.3Vin 1.0Vout Efficiency
5.0Vin 1.2Vout Efficiency
5.0Vin 2.5Vout Efficiency
3.3Vin 1.8Vout Efficiency
0.4
0.4
0.4
0.4
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
0.8
0.8
0.8
0.8
1.2
1.2
1.2
1.2
1.6
1.6
1.6
1.6
3.0Vin
3.3Vin
3.6Vin
4.5Vin
5.0Vin
5.5Vin
3.0Vin
3.3Vin
3.6Vin
4.5Vin
5.0Vin
5.5Vin
2
2
2
2
88
86
84
82
80
78
76
74
72
70
68
100
80
78
76
74
72
70
68
66
64
62
60
92
90
88
86
84
82
80
78
76
74
72
98
96
94
92
90
88
86
84
82
80
0
0
0
0
5.0Vin 1.0Vout Efficiency
3.3Vin 1.5Vout Efficiency
5.0Vin 1.8Vout Efficiency
5.0Vin 3.3Vout Efficiency
0.4
0.4
0.4
0.4
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
0.8
0.8
0.8
0.8
5
1.2
1.2
1.2
1.2
1.6
1.6
1.6
1.6
4.5Vin
5.0Vin
5.5Vin
4.5Vin
5.0Vin
5.5Vin
4.5Vin
5.0Vin
5.5Vin
3.0Vin
3.3Vin
3.6Vin
2
2
2
2
88
86
84
82
80
78
76
74
72
70
68
96
94
92
90
88
86
84
82
80
78
76
84
82
80
78
76
74
72
70
68
66
64
1.005
1.000
0.995
0.990
0.985
0
0
0
0
3.3Vin 1.2Vout Efficiency
3.3Vin 2.5Vout Efficiency
5.0Vin 1.5Vout Efficiency
0.4
0.4
0.4
0.4
OUTPUT CURRENT (A)
Load Regulation
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
0.8
0.8
0.8
0.8
1.2
1.2
1.2
1.2
M9999-030209-D
Vin=3.3V
1.6
1.6
1.6
1.6
3.0Vin
3.3Vin
3.6Vin
4.5Vin
5.0Vin
5.5Vin
3.0Vin
3.3Vin
3.6Vin
MIC4742
2
2
2
2