ELM1117HH Datasheet, PDF (1/6 Pages) ELM Electronics – Bipolar 1A LDO voltage regulator

ELM1117HH Bipolar 1A LDO voltage regulator
■General description
http://www.elm-tech.com
ELM1117HH is bipolar LDO three terminal voltage regulator. This series includes thermal shutdown protection
and short circuit current limiter. ELM1117 series is available in fixed version (ELM1117HH-xx Vout:1.2V, 1.8V,
2.5V, 3.3V) and adjustable version (ELM1117HH Vout:1.25V to 14.6V).
■Features
• Output voltage range (fixed) : 1.2V, 1.8V, 2.5V, 3.3V
(adj.) : 1.25V to 14.6V
• Output current
: 1A
• Low dropout
: Typ.1.2 V (at 1A Output current)
• Line regulation
: Typ.0.04%
• Load regulation
: Typ.0.4%
• Thermal limit burn-in
: 100%
• Current-limit
: Typ.1A
• Thermal shutdown protection : 150°C
• Package
: SOT-223
■Application
• High efficiency linear regulators
• Post regulators for switching supplies
• Adjustable power supply
■Maximum absolute ratings
Parameter
Input voltage
Power dissipation
Operating junction temperature
Storage temperature
Thermal resistance junction to ambient
Lead temperature (soldering 10s.)
Minimum ESD rating (HBM)
Symbol
Vin
Pd
Top
Tstg
Rθja
Tlead
Vesd
Limit
+20
Internally limited
-40 to +125
-65 to +150
63
300
3
Unit
V
W
°C
°C
°C/W
°C
kV
■Selection guide
ELM1117HH-xx-S, ELM1117HH-S
Symbol
a
Package
H: SOT-223
b
Product version H
c, d
Output voltage
12: Vout=1.2V, 18: Vout=1.8V
25: Vout=2.5V, 33: Vout=3.3V
e
Taping direction S: Refer to PKG file
* Taping direction is one way.
• Fixed version
ELM1117 H H - x x - S
↑↑ ↑↑ ↑
ab cd e
• Adj. version
ELM1117 H H - S
↑↑ ↑
ab e
6-1
Rev.1.0