SI4779CY-E3 Vishay, SI4779CY-E3 Datasheet - Page 4

• Manufacturer Part Number: SI4779CY-E3
• Manufacturer: Vishay

Specifications of SI4779CY-E3

• Switch Type: High Side
• Power Switch Family: Si4779CY
• Input Voltage: 3 to 5V
• Power Switch On Resistance: 45mOhm
• Output Current: 2.4A
• Number Of Outputs: Single
• Mounting: Surface Mount
• Supply Current: 70uA
• Package Type: SOIC N
• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Pin Count: 8
• Power Dissipation: 650mW
• Lead Free Status / Rohs Status: Compliant

Si4779CY
Vishay Siliconix
TIMING DIAGRAMS
TYPICAL CHARACTERISTICS 25 °C, unless noted
www.vishay.com
4
2.5
2.0
1.5
1.0
0.5
0.0
1000
100
10
200
- 40
1
Ambient Temperature Over Operating Voltage
FIGURE 6. Supply Current, Output Disable vs.
R
300
- 20
SET
V
IN
value is measured in circuit
= 5.5 V
T
400
A
0
– Ambient Temperature (°C)
500
20
V
IN
= 5 V
40
600
60
700
ON
V
I
LIMIT
RSET
80
800
100
900
FIGURE 5. R
FIGURE 4.
1000
t
cyc
R
SET
SET
1100
( )
vs. I
1200
LIMIT
1.4
1.2
1.0
0.8
0.6
0.4
- 40 - 25 - 10
1300
FIGURE 7. Normalized On-Resistance
1400
T
vs. Ambient Temperature
A
– Ambient Temperature (°C)
5
1500
20
S-60423–Rev. B, 20-Mar-06
1600
Document Number: 71664
35
50
1700
65
1800
80
1900
95