ss8046 Silicon Standard Corporation, ss8046 Datasheet

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ss8046

Manufacturer Part Number
ss8046
Description
Dropout-voltage 0.5v @ I O = 2a Output Current In Excess Of 2a Output Voltage Accuracy ?2.5% Quiescent Current Typically 5ma Internal Short-circuit Current Limit Internal Over-temperature Protection To-220 4pin Full-mold Package On/off Control
Manufacturer
Silicon Standard Corporation
Datasheet
Rev.2.01 6/06/2003
Ordering Information
Typical Application
Features
Output current in excess of 2A
Output voltage accuracy ±2.5%
Dropout-voltage 0.5V @ I
Quiescent current typically 5mA
Internal short-circuit current limit
Internal over-temperature protection
TO-220 4pin Full-Mold package
ON/OFF control
SS8046XX1TB
ON/OFF
ON/OFF
Example: SS8046TF1TB
V
V
IN
IN
à SS8046 in TO 220F-4L (short lead) shipped in tubes
C1
C1
4.7µF
4.7µF
SS8046
IQ
IQ
O
Package Type
= 2A
Packing type
I
I
O
O
TF : TO 220F-4L (short lead)
TH : TO 220F-4L (long lead)
www.SiliconStandard.com
C
C
47µF
47µF
OUT
OUT
V
V
TB: Tubes
OUT
OUT
3.3V 2A Low-Dropout Regulator with Disable
Pin Configuration
General Description
The SS8046 positive 3.3V voltage regulator features
the ability to source 2A of output current. The dropout
voltage is 0.5V at 2A output current. The typical qui-
escent current is 5mA. Furthermore, the quiescent
current is smaller when the regulator is in the dropout
mode (V
Familiar regulator features such as over-temperature
and over-current protection circuits are provided to
prevent the device from being damaged by abnormal
operating conditions. A V
the output when needed.
IN
< 3.3V).
TO 220F-4
TO 220F-4
V
V
1
1
Top View
Top View
IN
IN
V
V
2
2
O
O
GND V
GND V
3
3
dis
4
4
pin is provided to disable
dis
dis
SS8046
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ss8046 Summary of contents

Page 1

... Output voltage accuracy ±2.5% Quiescent current typically 5mA Internal short-circuit current limit Internal over-temperature protection TO-220 4pin Full-Mold package ON/OFF control Ordering Information SS8046XX1TB Package Type Example: SS8046TF1TB à SS8046 in TO 220F-4L (short lead) shipped in tubes Typical Application ON/OFF ON/OFF V V SS8046 ...

Page 2

... Rev.2.01 6/06/2003 THERMAL THERMAL SHORT-CIRCUIT SHORT-CIRCUIT SHUTDOWN SHUTDOWN PROTECTION PROTECTION 1.25V 1.25V BANDGAP BANDGAP REFERENCE REFERENCE + + + OUTPUT OUTPUT ON/OFF ON/OFF = +25°C) A www.SiliconStandard.com SS8046 GND GND (Note 1) (Note 2) T +150°C J (Note 1) T 85° ...

Page 3

... Maximum Power Dissipation The maximum total device dissipation for which the regulator will operate within specifications. Quiescent Bias Current Current which is used to operate the regulator chip and is not delivered to the load. www.SiliconStandard.com SS8046 MIN TYP MAX UNITS 3.22 3.3 3. ...

Page 4

... C =10µF, C =47µ OUT Line Transient Response Short Circuit-Current Ripple Rejection 60 IL=100mA IL=2A IL= COUT=47µ 100 1000 10000 Frequency (Hz) Rev.2.01 6/06/2003 =25°C, unless otherwise noted.) A Load Transient Response 100000 1000000 www.SiliconStandard.com SS8046 Output Noise Disable ...

Page 5

... Temperature (°C) Rev.2.01 6/06/2003 (continued) Load Regulation 0 -0.1 IL=100mA~1A -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0 100 -40 -20 0 Quiescent Current vs. Temperature 5 4.5 VIN=5V 4 VIN=7V 3.5 3 2.5 2 1 100 -40 -20 0 Temperature (°C) www.SiliconStandard.com SS8046 100 Temperature (°C) VIN=4V VIN=5V VIN= 100 ...

Page 6

... TO 220F-4 Package (short lead) NOM. MAX. MIN. 4.57 4.72 0.174 2.79 2.89 0.106 1.78 1.88 0.066 10.10 10.20 0.400 6.35 6.45 0.246 8.64 8.74 0.336 0.48 ----- ----- ----- ----- ----- ----- www.SiliconStandard.com SS8046 DIMENSION IN INCH NOM. MAX. 0.180 0.186 0.110 0.114 0.070 0.074 0.404 0.408 0.250 0.254 0.340 0.344 0.019 ----- 0.1(TYP) ----- 0.025(TYP) ----- ...

Page 7

... TO 220F-4 Package (long lead) NOM. MAX. MIN. 4.57 4.72 0.174 2.79 2.89 0.106 1.78 1.88 0.066 10.10 10.20 0.400 6.35 6.45 0.246 8.64 8.74 0.336 13.90 14.10 0.539 0.48 ----- ----- 2.54(TYP) ----- ----- ----- ----- 7 11 www.SiliconStandard.com SS8046 DIMENSION IN INCH NOM. MAX. 0.180 0.186 0.110 0.114 0.070 0.074 0.404 0.408 0.250 0.254 0.340 0.344 0.547 0.555 0.019 ----- 0.1(TYP) ----- 0.025(TYP) ----- 4 7 ...

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