The Bold specifications apply to the full operating temperature range.
Note 1: Maximum positive supply voltage of 60V must be of limited duration (<100msec) and duty cycle.) The maximum continuous supply voltage is 26V.
Note 2: Full load current (I
FL
) is defined as 1.25A for the LM2941.
Note 3: Dropout voltage is defined as the input-to output differential when the output voltage drops to 99% of its nominal value with V
OUT
+ 1V applied to V
IN
.
Note 4: VIN = V
OUT (NOMINAL)
+1V. For example, use V
IN
= 4.3V for a 3.3V regulator. Employ pulse-testing procedures to minimize temperature rise.
Note 5: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the load current to the ground current.
Note 6: Output voltage temperature coefficient is defined as the worst case voltage changed divided by the total temperature range.
Note 7: Thermal regulation is defined as the change in the output voltage at a time T after a change in power dissipation is applied, excluding load or line regulation
effects. Specifications are for a 200mA load pulse as V
IN
= 20V (a 4W pulse) for T = 10ms.
Note 8: VREF
≤
V
OUT
≤
(V
IN
- 1), 2.3V
≤
V
IN
≤
26V, 10mA < I
L
≤
I
FL
, T
J
≤
T
JMAX
Note 9: Comparator threshold is expressed in terms of a voltage differential at the Adjust terminal below the nominal reference voltage measured 6V input. To express
these thresholds in terms of output voltage change, multiply the error amplifier gain = V
OUT
/V
REF
= (R1 + R2)/R2. For example, at a programmable output voltage of
5V, the Error output is guaranteed to go low when the output drops by 95mVx 5V/ 1.240V = 38mV. Threshold remains constant as a percent of V
OUT
as V
OUT
is varied,
with the dropout warning occurring at typically 5% below nominal, 7.7% guaranteed.
These data sheets contain descriptions of products that are in development. The specifications are based on the engineering calculations, computer simulations and/
or initial prototype evaluation.
Preliminary Information-
These data sheets contain minimum and maximum specifications that are based on the initial device characterizations. These limits are subject to change upon the
completion of the full characterization over the specified temperature and supply voltage ranges.
The application circuit examples are only to explain the representative applications of the devices and are not intended to guarantee any circuit design or permit any
industrial property right to other rights to execute. Bay Linear takes no responsibility for any problems related to any industrial property right resulting from the use of
the contents shown in the data book. Typical parameters can and do vary in different applications. Customer’s technical experts must validate all operating parameters
including “ Typical” for each customer application.
LIFE SUPPORT AND NUCLEAR POLICY
Bay Linear products are not authorized for and should not be used within life support systems which are intended for surgical implants into the body
to support or sustain life, in aircraft, space equipment, submarine, or nuclear facility applications without the specific written consent of Bay Linear
为汽车电子系统供电时，不但需要满足高可靠性要求，还需要应对相对不太稳定的电池电压，具有一定挑战性。与车辆电池连接的电子和机械系统具有差异性，可能导致标称 12 V 电源出现大幅电压偏移。事实上，在一定时间段内，12 V 电源的变化范围为–14 V 至+35 V，且可能出现+150 V 至–220 V 的电压峰值。其中有些浪涌和瞬变在日常使用中出现，其他则是因为故障或人为错误导致。无论起因为何，它...[详细]
Microchip MCU
