E4257ALPT Semtech, E4257ALPT Datasheet - Page 32

• Manufacturer Part Number: E4257ALPT
• Manufacturer: Semtech

Specifications of E4257ALPT

• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Voltage Clamp
Analog MUX (E4287 ONLY)
IVMON
Parameter
Upper Voltage Limit Input Range
Lower Voltage Limit Input Range (Note 6)
Upper/Lower Voltage Limit Input to FORCE
Pin Difference
Upper/Lower Voltage Limit Input Current
Voltage Limiting Accuracy
Voltage clamp Current Limiting
FORCE Pin Short Circuit Protection Threshold
Parameter
Usable Input Voltage Range (VA, VB, VC)
MUX ""Super Voltage"" Input Channel 0 to Channel
1 Difference
Switch On-Resistance @ 500 A
On-Resistance Variability (Across full VEE to SVCC
Range)
Leakage Current
Parameter
Leakage (both IVMON switches open)
IVMON Output Switch Impedance
IVMON Output Current Capability
IVMON Output Capacitance (both IVMON switches
open)
TEST AND MEASUREMENT PRODUCTS
DC Characteristics (continued)
2005 Semtech Corp. / Rev. 5, 11/30/05
Upper Voltage Limit (HLV)
Lower Voltage Limit (LLV)
HLV
LLV
VVC[0] – VVC[1]
ILEAK_IVMON
|HLV, LLV –
ILEAK–MUX
RIVMONSW
IHLV, ILLV
|ICLAMP|
RON_MUX
VFORCE|
RON_MUX
VLIMIT+
Symbol
Symbol
Symbol
CIVMON
Vprotect
VLIMIT–
IIVMON
HLV
LLV
Vin
32
VEE + 1.675
HLV – 0.325
LLV – 0.325
HLV + 0.5
LLV + 1.0
LLV – 2.5
–200
–1.5
Min
Min
Min
–20
VEE
0.3
42
–4
0
0
E4237/E4257/E4287
1300
Typ
Typ
Typ
HLV + 0.325
LLV + 0.325
VCC – 1.675
HLV + 2.5
LLV – 0.5
VCC – 6
+200
SVCC
SVCC
2000
16.5
+20
Max
150
Max
500
100
Max
1.2
4
5
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Units
Units
Units
mA
k
mA
nA
nA
nA
pF
V
V
V
V
V
V
V
V
V