MIC2505-2BM Micrel Inc, MIC2505-2BM Datasheet - Page 10

• Manufacturer Part Number: MIC2505-2BM
• Description: IC SW HIGH SIDE SGL 2A 8SOIC
• Manufacturer: Micrel Inc
• Type: High Sider

Specifications of MIC2505-2BM

• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Input Type: Non-Inverting
• Number Of Outputs: 1
• On-state Resistance: 30 mOhm
• Current - Output / Channel: 2A
• Current - Peak Output: 4A
• Voltage - Supply: 2.7 V ~ 7.5 V
• Operating Temperature: -40°C ~ 85°C
• Peak Reflow Compatible (260 C): No
• Leakage Current: 10mA
• Supply Voltage Max: 5.5V
• Leaded Process Compatible: No
• On Resistance Rds(on): 35mohm
• Short Circuit Current Limit: 4A
• Input Voltage Range: 2.7 to 7.5V
• Number Of Switches: Single
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MIC2505/2506
Applications Information
USB Application
Figure 4 depicts a low cost and robust implementation of a
four-port, self-powered USB hub circuit employing ganged
overcurrent protection.
M9999-042704
4.45V to 5.25V
3.5A max.
(+)
(–)
Bold lines indicate
0.1" wide, 1-oz. copper
high-current traces.
D+
GND
V
D–
BUS
33µF
4.7
µF
LDO Regulator
MIC5203-3.3
MIC5207-3.3
IN
GND
OUT
1.0
µF
Figure 4. Ganged-Switch Self-Powered Hub
3.3V USB Controller
V+
D+
D–
OVERCURRENT
100k
GND
ON/OFF
10
EN
FLG
GND
GATE
MIC2505-2/-1
OUT
OUT
IN
IN
0.1µF
33µF
33µF
33µF
33µF
Data
Ferrite
Bead
0.01µF
0.01µF
0.01µF
0.01µF
GND
GND
GND
GND
V
V
V
V
BUS
BUS
BUS
BUS
D+
D–
D+
D–
D+
D–
D+
D–
Downstream
500mA max.
Downstream
500mA max.
Downstream
500mA max.
Downstream
500mA max.
April 2004
Port 1
Port 2
Port 3
Port 4
USB
USB
USB
USB
Micrel