LTC3826IUH#TRPBF

更新时间： 2024-01-03 00:19:56

品牌	Logo	应用领域
凌特 - Linear		控制器
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36页	468K
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LTC3826IUH#TRPBF 数据手册

LTC3826

ELECTRICAL CHARACTERISTICS ^Thel denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at T_A= 25°C. V_IN= 12V, V_{RUN/SS1, 2}= 5V unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Phase Detector Output Current

Sinking Capability

Sourcing Capability

PLLLPF

< f

> f

–5

μA

PLLIN/MODE

OSC

PGOOD Output

PGOOD Voltage Low

PGOOD Leakage Current

PGOOD Trip Level

= 2mA

= 5V

0.1

0.3

PGL

PGOOD

μA

PGOOD

with Respect to Set Regulated Voltage

Ramping Negative

Ramping Positive

–12

–10

–8

Note 4: The LTC3826 is tested in a feedback loop that servos V

to a

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

ITH1, 2

speciﬁed voltage and measures the resultant V

FB1, 2

Note 5: Dynamic supply current is higher due to the gate charge being

delivered at the switching frequency. See Applications Information.

Note 2: The LTC3826E is guaranteed to meet performance speciﬁcations

from 0°C to 85°C. Speciﬁcations over the –40°C to 85°C operating

temperature range are assured by design, characterization and correlation

with statistical process controls. The LTC3826I is guaranteed to meet

performance speciﬁcations over the full –40°C to 85°C operating

temperature range.

Note 6: Rise and fall times are measured using 10% and 90% levels. Delay

times are measured using 50% levels.

Note 7: The minimum on-time condition is speciﬁed for an inductor

peak-to-peak ripple current ≥40% of I

(see minimum on-time

MAX

considerations in the Applications Information section).

Note 3: T is calculated from the ambient temperature T and power

dissipation P according to the following formulas:

T = T + (P • 34 °C/W)

3826fc

1 2 345 6 7...36

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