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MIC2085-LBQS Datasheet

  • MIC2085-LBQS

  • Single Channel Hot Swap Controllers

  • 406.52KB

  • 28页

  • MICREL   MICREL

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MIC2085/2086
Micrel
Pin Description (Cont.)
Pin Number
MIC2086
18
Pin Number
MIC2085
15
Pin Name
SENSE
Pin Function
Circuit Breaker Sense Input: A resistor between this pin and VCC sets the
current limit threshold. Whenever the voltage across the sense resistor
exceeds the slow trip current limit threshold (V
TRIPSLOW
), the GATE voltage
is adjusted to ensure a constant load current. If V
TRIPSLOW
(48mV) is
exceeded for longer than time period t
OCSLOW
, then the circuit breaker is
tripped and the GATE pin is immediately pulled low. If the voltage across the
sense resistor exceeds the fast trip circuit breaker threshold, V
TRIPFAST
, at
any point due to fast, high amplitude power supply faults, then the GATE pin
is immediately brought low without delay. To disable the circuit breaker, the
SENSE and VCC pins can be tied together.
The default V
TRIPFAST
for either device is 95mV. Other fast trip thresholds
are available: 150mV, 200mV, or OFF(V
TRIPFAST
disabled). Please contact
factory for availability of other options.
19,20
16
VCC
Positive Supply Input: 2.3V to 16.5V. The GATE pin is held low by an
internal undervoltage lockout circuit until VCC exceeds a threshold of 2.18V.
If VCC exceeds 16.5V, an internal shunt regulator protects the chip from
VCC and SENSE pin voltages up to 33V.
M0235-121903
4
January 2004

MIC2085-LBQS 产品属性

  • 196

  • 集成电路 (IC)

  • PMIC - 热交换

  • -

  • 热交换控制器

  • 通用型 Infiniband?

  • 无

  • -

  • 2.3 V ~ 16.5 V

  • -40°C ~ 85°C

  • 表面贴装

  • 16-SSOP（0.154"，3.90mm 宽）

  • 16-QSOP

  • 管件

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