E4257ALPT Semtech, E4257ALPT Datasheet - Page 11

• 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

Circuit Description (continued)
TEST AND MEASUREMENT PRODUCTS
2005 Semtech Corp. / Rev. 5, 11/30/05
SELCOMP
NOTE: Switch impedance shown for typical values.
DISMON
MI/MV*
IVMON
IVMAX
FV/FI*
IVMIN
SELC
VINP
HIZ
VC
VB
VA
10K
COMP1
1K
FORCEAMP
Figure 2. PMU Functionality/Range at the FORCE and RF Pins
10K
CCOMP
COMP2
FV
FI
HLV
CURRENT LIMIT
MI
MV
VOLTAGE OR
LV
LI
700
700
LLV
1K
1K
1K
1K
11
1K
3K
1.5K
E4237/E4257/E4287
40
1K
1K
Signals common to
1K
both PMUs
40 for E4257, E4287
400 for E4237
VAOUT
VBOUT
SELEPMU
SELIPMU
GUARD
DUTNH
DUTNL
EPMUF
DUTGND
EPMUS
RF
FORCE
SENSE
REXT (1 of 4)
(1 of 2)
E4287
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DUT
(E4257, E4287)
(E4237)
E4287