Vishay Siliconix
Si1865DL
Document Number: 71297
S10-1054-Rev. D, 03-May-10
www.vishay.com
1
Load Switch with Level-Shift
DESCRIPTION
The Si1865DL includes a p- and p-channel MOSFET in a
single SC70-6 package. The low on-resistance p-channel
TrenchFET is tailored for use as a load switch. The
n-channel, with an external resistor, can be used as a level-
shift to drive the p-channel load-switch. The n-channel
MOSFET has internal ESD protection and can be driven by
logic signals as low as 1.5 V. The Si1865DL operates on
supply lines from 1.8 V to 8 V, and can drive loads up to 1.2 A.
FEATURES
• Halogen-free According to IEC 61249-2-21
Definition
• 215 mΩ Low R
DS(on)
TrenchFET
®
• 1.8 V to 8 V Input
• 1.5 V to 8 V Logic Level Control
• Low Profile, Small Footprint SC70-6 Package
• 2000 V ESD Protection On Input Switch, V
ON/OFF
• Adjustable Slew-Rate
• 1.8 V Rated
• Compliant to RoHS Directive 2002/95/EC
APPLICATION CIRCUITS
The Si1865DL is ideally suited for high-side load switching in
portable applications. The integrated n-channel level-shift
devices saves space by reducing external components. The
slew rate is set externally so that rise-times can be tailored to
different load types.
* Minimum R1 value should be least 10 x R2 to ensure Q1 turn-on.
PRODUCT SUMMARY
V
DS2
(V) R
DS(on)
(Ω)I
D
(A)
1.8 to 8
0.215 at V
IN
= 4.5 V ± 1.2
0.300 at V
IN
= 2.5 V ± 1.0
0.440 at V
IN
= 1.8 V ± 0.7
Si1865DL
V
OUT
GND
LOAD
V
IN
ON/OFF
R2
R2
1
2, 3
C1
6
4
6
5
R1
Q1
Q2
C
o
C
i
Switching Variation
R2 at V
IN
= 2.5 V, R1 = 20 kΩ
0
4
8
12
16
02468 10
R2 (kΩ)
I
L
= 1 A
V
ON/OFF
= 3 V
C
i
= 10 µF
C
o
= 1 µF
t
r
t
d(on)
t
d(off)
t
f
e (µs)mi
T
Note: For R2 switching variations with other V
IN
/R1
combinations see Typical Characteristics
COMPONENTS
R1 Pull-Up Resistor Typical 10 kΩ to 1 mΩ*
R2 Optional Slew-Rate Control Typical 0 kΩ to 100 kΩ*
C1 Optional Slew-Rate Control Typical 1000 pF