MIC2174-1YMM Micrel Inc, MIC2174-1YMM Datasheet - Page 5

• Manufacturer Part Number: MIC2174-1YMM
• Description: IC BUCK SYNC ADJ 25A 10MSOP
• Manufacturer: Micrel Inc
• Series: Hyper Speed Control™r
• Type: Step-Down (Buck)r

Specifications of MIC2174-1YMM

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 5.5 V
• Frequency - Switching: 300kHz
• Voltage - Input: 3 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Power - Output: 421mW
• Primary Input Voltage: 40V
• No. Of Outputs: 2
• Output Current: 25A
• Voltage Regulator Case Style: MSOP
• No. Of Pins: 10
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (15-Dec-2010)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 576-3546-5

Micrel, Inc.
Electrical Characteristics
V
Note:
7.
Parameter
Soft-Start
Soft-Start Period
Oscillator
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
FET Drives
DH, DL Output Low Voltage
DH, DL Output High Voltage
DH On-Resistance, High State
DH On-Resistance, Low State
DL On-Resistance, High State
DL On-Resistance, Low State
LX Leakage Current
HSD Leakage Current
Thermal Protection
Over-Temperature Shutdown
Over-Temperature Shutdown
Hysteresis
Shutdown Control
EN Logic Level Low
EN Logic Level High
EN Pull-Up Current
September 2010
BST
The maximum duty cycle is limited by the fixed mandatory off time T
− V
LX
= 5V; T
A
= 25°C, unless noted. Bold values indicate −40°C ≤ T
(4)
Condition
MIC2174
MIC2174C
Measured at DH
MIC2174C
Measured at DH, V
I
I
V
V
3V < V
3V < V
SINK
SOURCE
LX
LX
= 40V, V
= 40V, V
= 10mA
IN
IN
= 10mA
<5.5V
<5.5V
IN
IN
= 5.5V,V
= 5.5V,V
(7)
FB
= 1V
OFF
BST
BST
of typical 363ns.
5
= 45.5V
= 45.5V
J
≤ +125°C.
V
V
BST
0.225
0.202
IN
Min.
0.4
-0.1V
or
-0.1V
Typ.
0.27
MIC2174/MIC2174C
155
0.3
2.1
1.8
1.8
1.2
0.8
0.9
87
87
10
50
6
0
M9999-091310-C
0.375
0.338
Max.
0.1
3.3
3.3
3.3
2.3
1.2
55
21
Units
MHz
ms
µA
µA
µA
°C
°C
%
%
Ω
Ω
Ω
Ω
V
V
V
V