FDC6326L Fairchild Semiconductor, FDC6326L Datasheet - Page 2

• Manufacturer Part Number: FDC6326L
• Description: IC LOAD SWITCH INT 20VIN SSOT-6
• Manufacturer: Fairchild Semiconductor
• Type: High Side Switchr

Specifications of FDC6326L

• Number Of Outputs: 1
• Rds (on): 125 mOhm
• Internal Switch(s): Yes
• Current Limit: 1.8A
• Voltage - Input: 3 ~ 20 V
• Operating Temperature: -55°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 6-SSOT, SuperSOT-6
• On Resistance (max): 0.14 Ohms
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 55 C
• Maximum Power Dissipation: 700 mW
• Mounting Style: SMD/SMT
• Switch Configuration: Dual
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Notes:
Electrical Characteristics
Symbol
OFF CHARACTERISTICS
I
ON CHARACTERISTICS
V
R
I
1. V
2.
3. Pulse Test: Pulse Width < 300µs, Duty Cycle < 2.0%.
FDC6326L Load Switch Application
FL
L
External Component Recommendation
DROP
DS(ON)
IN
of the drain pins. R
R
IN
=20V, V
JA
is the sum of the junction-to-case and case-to-ambient thermal resistance where the case thermal reference is defined as the solder mounting surface
First select R2, 100 - 1k , for Slew Rate control.
C1
Then select R1 such that R1/R2 ratio maintains between 10 - 100. R1 is required to turn Q2 off.
For SPICE simulation, users can download a "FDC6326L.MOD" Spice model from Fairchild Web Site at
www.fairchildsemi.com
ON/OFF
Ci
Parameter
Forward Leakage Current
Conduction Voltage Drop
Q
Load Current
=8V, T
ON/OFF
2
JC
- Static On-Resistance
1000pF can be added in addition to R2 for further In-rush current control.
is guaranteed by design while R
R1
A
=25
APPLICATION CIRCUIT
o
C
(Note 3)
Q2
R2
Q1
(T
A
CA
= 25°C unless otherwise noted)
is determined by the user's board design.
C1
Co
Conditions
V
V
V
V
V
V
V
IN
IN
IN
GS
GS
DROP
DROP
= 20 V, V
= 12 V, V
= 5 V, V
LOAD
= -12 V, I
= -5 V, I
= 0.125 V, V
= 0.20 V, V
OUT
ON/OFF
D
ON/OFF
ON/OFF
D
= -1.5 A
= -1.9 A
= 3.3 V, I
IN
= 0 V
IN
= 3.3 V, I
= 5 V, V
= 12 V, V
L
L
ON/OFF
= 1 A
= 1.5 A
ON/OFF
= 3.3 V
= 3.3 V
Min
1
1
0.095
0.15
0.14
0.14
Typ
0.125
Max
0.2
0.2
0.2
FDC6326L Rev.D1
1
Units
µA
V
A