U3500BM 데이터 시트보기 (PDF) - Temic Semiconductors
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U3500BM Datasheet PDF : 17 Pages
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U3500BM
Parameters
Battery Management
Max bat low
Min bat low over switch
Max bat high
Min bat high
Adjust step
Max – Min
MINBL – SWOFF
Battery Switch
Off threshold
On threshold
Hysteresis
Switch ron
Max bat low
:
Min bat low
:
Max bat high
:
Min bat high
:
Adjust step
:
Max – Min
:
MINBL – SWOFF :
Off threshold
:
On threshold
:
Hysteresis
:
Switch ron
:
Test Conditions / Pins Symbol Min. Typ. Max. Unit Fig.
DA0 to 6 = 1, RBAT = 1
DA0 to 6 = 27 BIN,
RBAT = 1
DA0 to 6 = 1, RBAT = 0
DA0 to 6 = 0, RBAT = 0
3.7
3.95 4.1
V
3.05 3.2 3.35 V
4.75
3.83
3.5
852.5
100
5.05 5.25 V
4.1 4.27 V
7.5 11.5 mV
952.5 1052.5 mV
200 300 mV
DA0 to 6 = 1, RBAT = 1
DA0 to 6 = 27 BIN,
RBAT = 1
DA0 to 6 = 0, RBAT = 0
2.9
3.0
3.1
V
3.1
3.2 3.35 V
220
250 280 mV
35
50
W
MAXL (battery voltage when all DAC bits are high, low range)
MINBL (battery voltage when DAC bits are 001 1011, low range)
MAXBH (battery voltage when all DAC bits are high, high range)
MINBH (battery voltage when all DAC bits are low, high range)
Adjust step
MAXBH – MINBH
MINBL – SWOFF
SWOFF (off threshold of the battery switch)
SWON (on threshold of the battery switch)
SWON– SWOFF
Switch Ron (resistance of the switch transistor, when switch is “ON”)
LNAIN 18
20 LNAO
LNA
1 nF
100 pF
200 Ω
3 kΩ
VFRF
RF generator
VBATT
11779
Figure 3.
MIXIN 16
15 MIXO
10 nF
50 Ω
VFRF
11.15 MHz
RF generator
1.5 kΩ
100 nF
Figure 4.
11780
Rev. A3, 20-May-98
9 (17)
Preliminary Information
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