SIP4282 Datasheet PDF - Vishay Intertechnology

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SIP4282
Vishay Intertechnology

Part Number SIP4282
Description Slew Rate Controlled Load Switch
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SiP4282
Vishay Siliconix
1 A Slew Rate Controlled Load Switch in PPAK SC75-6
DESCRIPTION
The SiP4282 is a P-Channel MOSFET power switch IC
designed for high-side load switching applications. The out-
put switching transistor is a P-Channel MOSFET device that
has a 140 mΩ RDS(ON) typically to increase load switching
power handling capacity. The SiP4282 is available in two dif-
ferent versions with turn-on and turn-off characteristics rang-
ing from very fast to slew rate limited. In addition to a fast
turn-off time of 4 µs, the SiP4282-3 version offers a shut-
down load discharge circuit to instantaneously turn off a load
circuit when the switch is disabled.
The SiP4282 load switch operates with an input voltage
ranging from 1.8 V to 5.5 V, making it ideal for both 3 V and
5 V systems. The SiP4282 also features an under-voltage
lock out which turns the switch off when an input undervolt-
age condition exists. Input logic levels are TTL and 2.5 V to
5 V CMOS compatible. This device has a very low operating
current (typically 2.5 µA), making it ideal for battery-powered
applications. In shutdown mode, the supply current
decreases to less than 1 µA.
The SiP4282 is available in a lead (Pb)-free 6 pin PPAK
SC75-6 package and is specified over - 40 °C to 85 °C tem-
perature range.
FEATURES
• 1.8 V to 5.5 V Input Voltage range
• Very Low RDS(ON), typically 140 mΩ
at 5 V and 175 mΩ at 3 V
• Slew rate limited turn-on time options
- SiP4282-1: 1 ms
- SiP4282-3: 100 µs
• Fast shutdown load discharge option
• Low quiescent current, typically 2.5 µA
• Low Shutdown Current < 1 µA
• TTL/CMOS input logic level
• UVLO of 1.4 V
SC-75 Package
APPLICATIONS
• Cellular telephones
• Digital still cameras
• Personal digital assistants (PDA)
• Hot swap supplies
• Notebook computers
• Personal communication devices
USB
TYPICAL APPLICATION CIRCUIT
VIN
C IN
1 µF
GND
1 VIN
2 VIN
SiP4282
ON/OFF
4
ON/OFF
GND
3
OUT 6
OUT
5
SiP4282 Typical Application Circuit
VOUT
C OUT
0.1 µF
GND
Document Number: 73851
S-70069–Rev. C, 22-Jan-07
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SiP4282
Vishay Siliconix
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ABSOLUTE MAXIMUM RATINGS
Parameter
Supply Input Voltage (VIN)
Enable Input Voltage (VON)
Output Voltage (VOUT)
Maximum Continuous Switch Current (IMAX)
Maximum Pulsed Current (IDM) VIN
VIN 2.5 V
VIN < 2.5 V
ESD Rating (HBM)
Limit
- 0.3 to 6
- 0.3 to 6
- 0.3 to VIN + 0.3
1.2
3
1.6
4000
Unit
V
A
V
Junction Temperature (TJ)
- 40 to 150
°C
Thermal Resistance (θJA)a
6 pin PPAK SC75
90 °C/W
Power Dissipation (PD)b
6 pin PPAK SC75
610 mW
Notes:
a. Device mounted with all leads and power pad soldered or welded to PC board.
b. Derate 11.1 mW/°C above TA = 70 °C.
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating/conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING RANGE
Parameter
Input Voltage Range (VIN)
Operating Temperature Range
Limit
1.8 to 5.5
- 40 to 85
Unit
V
°C
SPECIFICATIONS
Parameter
SiP4282 All Versions
Operating Voltagec
Under Voltage Lockout
Under Voltage Lockout Hysteresis
Quiescent Current
Off Suply Current
Off Switch Current
On-Resistance
On-Resistance Temp-Coefficient
ON/OFF Input Low Voltage
ON/OFF Input High Voltage
ON/OFF Input Leakage
SiP4282-1 Version
Output Turn-On Delay Time
Output Turn-On Rise Time
Output Turn-Off Delay Time
Symbol
Test Conditions Unless Specified
VIN = 5.0, TA = - 40 °C to 85 °C
(Typical values are at TA = 25 °C)
VIN
VUVLO
VUVLO(hyh)
IQ
IQ(OFF)
ISD(OFF)
RDS(on)
TCRDS
VIL
VIH
ISINK
VIN Falling
ON/OFF = active
ON/OFF = inactive, OUT = open
ON/OFF = inactive, VOUT = 0
VIN = 5 V, TA = 25 °C
VIN = 4.2 V, TA = 25 °C
VIN = 3 V, TA = 25 °C
VIN = 1.8 V, TA = 25 °C
VIN = 2.7 V to 5.5 Vd
VIN = 2.7 V to 4.2 V
VIN > 4.2 V to 5.5 V
VON/OFF = 5.5 V
TD(ON)
T(ON)
TD(OFF)
VIN = 5 V, RLOAD = 10 Ω, TA = 25 °C
VIN = 5 V, RLOAD = 10 Ω, TA = 25 °C
VIN = 5 V, RLOAD = 10 Ω, TA = 25 °C
Limits
- 40 °C to 85 °C
Mina
Typb
Maxa
Unit
1.8 - 5.5
1.0 1.4 1.8
V
- 250 - mV
- 2.5 4
- - 1 µA
- -1
- 140 230
- 150 250
mΩ
- 175 290
- 300 480
- 2800 - ppm/°C
- - 0.8
2- -V
2.4 -
-
- - 1 µA
- 20 40
-
1000
1500
µs
- 4 10
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Document Number: 73851
S-70069–Rev. C, 22-Jan-07



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SiP4282
Vishay Siliconix
SPECIFICATIONS
Parameter
SiP4282-3 Version
Output Turn-On Delay Time
Output Turn-On Rise Time
Output Turn-Off Delay Time
Output Pull-Down Resistance
Symbol
Test Conditions Unless Specified
VIN = 5.0, TA = - 40 °C to 85 °C
(Typical values are at TA = 25 °C)
TD(ON)
T(ON)
TD(OFF)
RPD
VIN = 5 V, RLOAD = 10 Ω, TA = 25 °C
VIN = 5 V, RLOAD = 10 Ω, TA = 25 °C
VIN = 5 V, RLOAD = 10 Ω, TA = 25 °C
ON/OFF = Inactive, TA = 25 °C
Limits
- 40 °C to 85 °C
Mina
Typb
Maxa
- 20 40
- 100 150
- 4 10
- 150 250
Notes:
a) The algebriac convention whereby the most negative value is a minimum and the most positive a maximum.
b) Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing
c) Part requires minimum start-up of VIN 2.0 V to ensure operation down to 1.8 V.
d) For VIN outside this range consult typical ON/OFF threshold curve.
PIN CONFIGURATION
Unit
µs
Ω
OUT 6
1 VIN
OUT 5
2 VIN
ON/OFF 4
3 GND
Bottom View
PPAK SC75-6 Package
PIN DESCRIPTION
Pin Number
PPAK SC75-6
1, 2
3
4
5, 6
Name
VIN
GND
ON/OFF
OUT
Function
This pin is the P-Channel MOSFET source connection. Bypass to ground through a 1 µF capacitor.
Ground Connection
Enable Input
This pin is the P-Channel MOSFET drain connection. Bypass to ground through a 0.1 µF capacitor.
SELECTION GUIDE
Part Number
SiP4282-1-T1-E3
SiP4282-3-T1-E3
Slew Rate
(typ)
1 ms
100 µs
Active
Pull Down
No
Yes
Enable
Active high
Active high
ORDERING INFORMATION
Part Number
SiP4282DVP-1-T1-E3
SiP4282DVP-3-T1-E3
Notes:
XXX = Lot Code
Marking
L7XXX
L9XXX
Temperature Range
- 40 °C to 85 °C
Package
PPAK SC75-6
PPAK SC75-6
Document Number: 73851
S-70069–Rev. C, 22-Jan-07
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SiP4282
Vishay Siliconix
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TYPICAL CHARACTERISTICS internally regulated, 25 °C, unless otherwise noted
3.5
3
2.5
2
1.5
1
0.5
0
12 3 45
VIN(V)
Quiescent Current vs. Input Voltage
6
3.5
3
2.5
2
1.5
1
0.5
0
- 40
VIN = 5 V
VIN = 3 V
- 15 10 35 60
Temperature (°C)
Quiescent Current vs. Temperature
85
250
200
VIN = 3 V
ILOAD = 500 mA
150
VIN = 5 V
100
50
0
- 40
- 15 10
35
Temperature (°C)
RDS(ON) vs. Temperature
60
85
550
500
1A
450
400
350
300
250
200
500 mA
150 100 mA
100
1.5 2 2.5 3 3.5 4 4.5 5 5.5
VIN (V)
RDS(ON) vs. Input Voltage
100
80
60
40
20
0
- 40 - 15
10
35
60
Temperature (°C)
Off Switch Current vs. Temperature
85
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
1.5
VIH
VIL
2 2.5 3 3.5 4 4.5 5 5.5
VIN (V)
ON/OFF Threshold vs. Input Voltage
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Document Number: 73851
S-70069–Rev. C, 22-Jan-07



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