CS8161 Cherry Semiconductor Corporation, CS8161 Datasheet

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CS8161

Manufacturer Part Number
CS8161
Description
12V/ 5V Low Dropout Dual Regulator with ENABLE
Manufacturer
Cherry Semiconductor Corporation
Datasheet

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Rev. 4/5/99
ENABLE
The CS8161 is a 12V/5V dual out-
put linear regulator. The 12V ± 5%
output sources 400mA and the 5V
±2.0% output sources 200mA.
The on board ENABLE function
controls the regulatorÕs two out-
puts. When the ENABLE pin is
low, the regulator is placed in
SLEEP mode. Both outputs are dis-
abled and the regulator draws only
200nA of quiescent current.
Internal Power Dissipation ..................................................Internally Limited
Junction Temperature Range.......................................................Ð40¡C +150¡C
Storage Temperature Range....................................................Ð65¡C to +150¡C
Lead Temperature Soldering
ESD (Human Body Model) ...........................................................................2kV
Input Voltage
Gnd
V
12V, 5V Low Dropout Dual Regulator
IN
Operating Range .....................................................................Ð15V to 26V
Overvoltage Protection.........................................................................74V
Wave Solder (through hole styles only)..........10 sec. max, 260¡C peak
Reflow (SMD styles only)...........60 sec. max above 183¡C, 230¡C peak
+
-
Reference
Shutdown
Bandgap
Thermal
Pre-Regulator
Absolute Maximum Ratings
Description
Block Diagram
Over Voltage
with ENABLE
The primary output, V
tected against overvoltage condi-
tions. Both outputs are protected
against short circuit and thermal
runaway conditions.
The CS8161 is packaged in a 5 lead
TOÐ220 with copper tab. The cop-
per tab can be connected to a heat
sink if necessary. It is also available
in a 16 lead SO wide package.
Shutdown
+
-
+
-
CS8161
Anti-saturation
Anti-saturation
Current Limit
Current Limit
and
and
1
OUT 1
is pro-
V
V
OUT
OUT
2
1
2000 South County Trail, East Greenwich, RI 02818
ENABLE
SENSE
Tel: (401)885-3600 Fax: (401)885-5786
V
Cherry Semiconductor Corporation
OUT(1)
Web Site: www.cherry-semi.com
Gnd
Two regulated outputs
Very low SLEEP mode cur-
rent drain 200nA
Fault Protection
Gnd
Email: info@cherry-semi.com
NC
NC
V
Package Options
(internally fused leads)
Tab (Gnd)
IN
1
12V ±5.0%; 400mA
Reverse Battery (-15V)
74V Load Dump
-100V Reverse Transient
Short Circuit
Thermal Shutdown
1
5V ±2.0%; 200mA
16 Lead SO Wide
1
Features
TO-220 5 Lead
A
1 V
2 V
3 Gnd
4 ENABLE
5 V
IN
OUT 1
OUT 2
¨
Gnd
Gnd
NC
Gnd
Gnd
SENSE
V
NC
Company
OUT(2)
1

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CS8161 Summary of contents

Page 1

... Both outputs are protected against short circuit and thermal runaway conditions. The CS8161 is packaged lead TOÐ220 with copper tab. The cop- per tab can be connected to a heat sink if necessary also available lead SO wide package. ...

Page 2

Electrical Characteristics for V -40¡C ² T PARAMETER Primary Output Stage(V ) OUT 1 Output Voltage, V 13V²V OUT 1 Dropout Voltage I OUT 1 Line Regulation 13V²V Load Regulation 5mA² I Quiescent Current I OUT 1 I OUT 1 ...

Page 3

PACKAGE PIN # 5 L TO-220 16L SO Wide 4,5,12,13,15, N/A 7 N/A 11 N/A 1,2,9,14 Output Voltage vs. Temperature for V 12.150 V = 14V 12.110 ...

Page 4

Typical Performance Characteristics: continued Dropout Voltage vs. Output Voltage for V 600 V = 11V IN 550 500 450 400 350 300 250 200 150 100 100 150 250 300 200 Output Current (mA) Output Voltage ...

Page 5

Dropout Voltage vs. Output Current for V 800 V = 4.0V IN 750 No Load on V OUT 1 700 650 600 550 500 450 350 300 250 200 150 100 100 125 Output ...

Page 6

... C2, C3 required for stability, value may be increased. Capacitor must operate at minimum temperature expected. Since both outputs are controlled by the same ENABLE, the CS8161 is ideal for applications where a sleep mode is required. Using the CS8161, a section of circuitry such as a display and nonessential 5V circuits can be shut down under microprocessor control to conserve energy ...

Page 7

Step 1: Place the completed circuit with a tantalum capaci- tor of the recommended value in an environmental cham- ber at the lowest specified operating temperature and monitor the outputs on the oscilloscope. A decade box connected in series with ...

Page 8

... Ordering Information Part Number Description CS8161YT5 5L TO-220 Straight CS8161YTVA5 5L TO-220 Vertical CS8161YTHA5 5L TO-220 Horizontal CS8161YDWF16 16L SO Wide CS8161YDWFR16 16L SO Wide (tape & reel) Rev. 4/5/99 Package Specification D Thermal Data English RQ JC Min Max Min RQ 10.10 .413 .398 JA 2 ...

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