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LF50CDT-TRY Datasheet

  • LF50CDT-TRY

  • Very low drop voltage regulators with inhibit

  • 49頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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LFxxAB
LFxxC
Very low drop voltage regulators with inhibit
Features
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Very low dropout voltage (0.45V)
Very low quiescent current (typ. 50 碌A in OFF
mode, 500 碌A in ON mode)
Output current up to 500 mA
Logic-controlled electronic shutdown
Output voltages of 1.5; 1.8; 2.5; 3.3; 4.7; 5; 6;
8; 8.5; 9; 12V
Automotive Grade product: 1.8V, 2.5V, 3.3V,
5.0V, 8.0V, 8.5V V
OUT
in DPAK and PPAK
packages
Internal current and thermal limit
Only 2.2 碌F for stability
Available in 鹵 1% (AB) or 鹵 2% (C) selection at
25擄C
Supply voltage rejection: 80db (typ.)
Temperature range: -40 to 125 擄C
put a part of the board in standby, decreasing the
total power consumption. In the three terminal
configuration the device has the same electrical
performance, but is fixed in the ON state. It
requires only a 2.2 碌F capacitor for stability
allowing space and cost saving. The LFxx is
available as Automotive Grade in DPAK and
PPAK packages, for the options of output voltages
whose commercial Part Numbers are shown in
the
Table 32
(order codes). These devices are
qualified according to the specification AEC-Q100
of the Automotive market, in the temperature
range -40 擄C to 125 擄C, and the statistical tests
PAT, SYL, SBL are performed.
PPAK
DPAK
PENTAWATT
TO-220
TO-220FP
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Description
The LFxxAB/LFxxC are very Low Drop regulators
available in PENTAWATT, TO-220, TO-220FP,
DPAK and PPAK package and in a wide range of
output voltages.
The very low drop voltage (0.45 V) and the very
low quiescent current make them particularly
suitable for low noise, low power applications and
specially in battery powered systems. In the 5
pins configuration (PENTAWATT and PPAK) a
Shutdown Logic Control function is available (pin
2, TTL compatible). This means that when the
device is used as a local regulator, it is possible to
Table 1.
Device summary
Part numbers
LF15C
LF15AB
LF18C
LF18AB
LF25C
LF25AB
LF33C
LF33AB
LF47C
LF50C
LF50AB
LF60C
LF60AB
LF80C
LF80AB
LF85C
LF85AB
LF90C
LF90AB
LF120C
LF120AB
February 2008
Rev 21
1/49
www.st.com
49

LF50CDT-TRY 產(chǎn)品屬性

  • 1

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 5V

  • 最高 16V

  • 0.4V @ 500mA

  • 1

  • 500mA

  • -40°C ~ 125°C

  • 表面貼裝

  • TO-252-3, DPak (2 引線+接片), SC-63

  • D-Pak

  • 剪切帶 (CT)

  • 497-10200-1

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