SC4431CSK-2TR View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC4431CSK-2TR' PDF : 8 Pages View PDF
POWER MANAGEMENT
Absolute Maximum Rating
SC4431
Shunt Regulator With
Open Collector Output
Parameter
Input Supply Voltage
Vcc pin current
Output Voltage
Reference Voltage (1)
Continuous Output Current
Reference Input Current
Operating Ambient Temperature Range
Operating Junction Temperature Range
Storage Temperature Range
Thermal Impedance Junction to Ambient
Thermal Impedance Junction to Case
Power Dissipation at TA = 25°C
Lead Temperature (Soldering) 10 seconds
ESD Rating (Human Body Model)
Symbol
VCC
ICC
VOUT
VREF
IOUT
IREF
TA
TJ
TSTG
θJA
θJC
PD
TLEAD
ESD
Maximum
-0.5 to +16
8
-0.5 to VCC
-0.5 to +4
40
5
-40 to +85
-40 to +150
-65 to +150
256
81
475
300
2
Units
V
mA
V
V
mA
mA
°C
°C
°C
°C/W
°C/W
mW
°C
kV
(1) If Vref will be forced above 1.224V, a resistor must be placed in series with the Vcc to limit the Icc current
below 5mA.
Electrical Characteristics
Unless specified, TA = 25°C, VCC = 2V, IOUT = 2mA. Values in bold apply over full operating temperature range.
Parameter
Symbol
Test Conditions
MIN
VCC
Input Supply Voltage
Input Supply Current
Off State Input Supply Current
VCC
1.5
ICC
VREF = VOUT
ICC(OFF)
VREF = 1.187V, VOUT = 2V
REF
Reference Voltage
VREF
Change
Vcc
in
VREF
due
to
change
in
Change
IOUT
in
VREF
due
to
change
in
Reference Input Current
dVREF/dVCC
dVREF/dIOUT
IREF
SC4431-.5, VREF = VOUT
SC4431-1, VREF = VOUT
SC4431-2, VREF = VOUT
VCC = 1.5V to 15V
IOUT = 0.1mA to 40mA
0.1mA ≤ IOUT ≤ 10mA
1.219
1.207
1.212
1.200
1.200
1.187
OUT
Saturation Voltage
VOUT(SAT)
IOUT = 5mA, ICC = 500µA
VREF = 1.261V, IOUT = 40mA
Off State Output Current
IOUT(OFF)
VREF = 1.187V, VOUT = 2V
TYP
110
65
1.224
1.224
1.224
8
8
0.3
50
275
0.50
MAX
15
200
100
150
1.231
1.243
1.236
1.250
1.250
1.261
15
20
28
36
0.5
1.0
75
100
300
400
1
10
Units
V
µA
µA
V
V
V
mV
mV
µA
mV
mV
µA
2003 Semtech Corp.
2
www.semtech.com
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