SI4779CY-T1 Vishay, SI4779CY-T1 Datasheet - Page 6

• Manufacturer Part Number: SI4779CY-T1
• Manufacturer: Vishay

Specifications of SI4779CY-T1

• 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: Not Compliant

Si4779CY
Vishay Siliconix
TYPICAL WAVEFORMS V
www.vishay.com
6
NOTE: Special test with 820-µF capacitor at PS and R
setup for 0.5 A.
FIGURE 12. FAULT to Short Response (t
FIGURE 14. Power Supply Droops vs. Short
2 ms/div
2 ms/div
CH1: ON, 5 V/div
CH2: V
CH3: FAULT, 5 V/div
CH4: I
CH1: ON, 5 V/div
CH2: PS Droops, 50 mV/div, Offset = 5 V
CH3: V
CH4: I
OUT
OUT
OUT
OUT
, 1 A/div
, 0.5 A/div
, 5 V/div, R
, 1 V/div, R
L
L
= 0.5 Ω, C
= 0.5 Ω, C
IN
= 5 V, T
L
L
= 47 µF
= 100 µF
A
= 25 °C, unless otherwise noted
cyc
SET
)
NOTE: Special test with 820-µF capacitor at PS and R
setup for 2.4 A.
FIGURE 13. V
2 ms/div
2 ms/div
FIGURE 15. Power Supply Droops vs. Short
CH1: ON, 5 V/div
CH2: V
CH3: V
CH4: I
CH1: ON, 5 V/div
CH2: PS Droops, 100 mV/div, Offset = 5 V
CH3: V
CH4: I
OUT
OUT
RESET
OUT
OUT
, 1 A/div
, 2 A/div
, 5 V/div, R
, 1 V/div, R
RESET
, 500 mV/div
to Over Current Response
L
L
= 5.6 Ω, C
= 0.5 Ω, C
S-60423–Rev. B, 20-Mar-06
Document Number: 71664
L
L
= 100 µF
= 100 µF
SET