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CS8311YDR8

P1-P3P4-P6P7-P8
Semiconductor Components Industries, LLC, 2001
April, 2001 – Rev. 5
1 Publication Order Number:
CS8311/D
CS8311
Micropower 10 V, 100 mA
Low Dropout Linear
Regulator with RESET
and ENABLE
The CS8311 is a precision 10 V micropower voltage regulator with
very low quiescent current (100 µA typ at 100 µA load). The 10 V
output is accurate within ±4.0% and supplies 100 mA of load current
with a typical dropout voltage of only 400 mV. Microprocessor control
logic includes an ENABLE
input and an active RESET.
The active RESET circuit includes hysteresis, and operates
correctly at an output voltage as low as 1.0 V. The RESET
function is
activated during the power up sequence or during normal operation if
the output voltage drops outside the regulation limits by more than
1.0 V typ. The logic level compatible ENABLE input allows the user to
put the regulator into a shutdown mode where it draws only 20 µA
typical of quiescent current.
The regulator is protected against reverse battery, short circuit, over
voltage, and thermal overload conditions. The device can withstand
load dump transients making it suitable for use in automotive
environments.
Features
• 10 V ±4.0% Output
• Low 100 µA Quiescent Current
• Active RESET
• ENABLE Input for ON/OFF and Active/Sleep Mode Control
• 100 mA Output Current Capability
• Fault Protection
– +60 V Peak Transient Voltage
– –15 V Reverse Voltage Short Circuit Thermal Overload
• Low Reverse Current (Output to Input)
http://onsemi.com
SO–8
D SUFFIX
CASE 751
1
8
RESET
GND
1
8311
ALYWX
8
NCENABLE
NCV
OUT
Sense
V
IN
V
OUT
PIN CONNECTIONS AND
MARKING DIAGRAM
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
Device Package Shipping
ORDERING INFORMATION
CS8311YD8 SO–8 95 Units/Rail
CS8311YDR8 SO–8
2500 Tape & Reel
CS8311
http://onsemi.com
2
ENABLE
+
–
Bandgap
Reference
–+
Sense
Current Limit
GND
RESET
V
OUT
Sense
V
OUT
Error
Amplifier
Figure 1. Block Diagram
V
IN
Current Source
(Circuit Bias)
Over Voltage
Shutdown
Thermal
Protection
Reset
Comparator
ABSOLUTE MAXIMUM RATINGS*
Rating Value Unit
V
IN
38 V
Peak Transient Voltage (46 V Load Dump @ V
IN
= 14 V) 60 V
ENABLE, RESET –0.3 to +10.4 V
ESD Susceptibility (Human Body Model) 2.0 kV
Junction Temperature Range –40 to +150 °C
Storage Temperature Range –55 to +150 °C
Lead Temperature Soldering: Reflow (SMD styles only) (Note 1.) 230 peak °C
1. 60 second maximum above 183°C.
*The maximum package power dissipation must be observed.
CS8311
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (11 V ≤ V
IN
≤ 26 V; I
OUT
= 1.0 mA; –40 ≤ T
A
≤ 125, –40°C ≤ T
J
≤ 150°C;
unless otherwise specified.)
Characteristic
Test Conditions Min Typ Max Unit
Output Stage
Output Voltage, V
OUT
11 V < V
IN
< 26 V, 100 µA ≤ I
OUT
≤ 100 mA 9.60 10.00 10.40 V
Dropout Voltage (V
IN
– V
OUT
) I
OUT
= 100 mA
I
OUT
= 100 µA
–
–
400
100
600
150
mV
mV
Load Regulation V
IN
= 14 V, 100 µA ≤ I
OUT
≤ 100 mA – 5.0 100 mV
Line Regulation 11 V < V < 26 V, I
OUT
= 1.0 mA – 5.0 100 mV
Quiescent Current, (I
Q
) Active Mode I
OUT
= 100 µA
I
OUT
= 50 mA
I
OUT
= 100 mA
–
–
–
100
4.0
12
250
6.0
20
µA
mA
mA
Quiescent Current, (I
Q
) Sleep Mode V
OUT
= OFF, V
IN
= 12 V, V
ENABLE
= 2.0 V – 20 50 µA
Ripple Rejection 14 ≤ V
IN
≤ 26 V, I
OUT
= 100 mA, f = 120 Hz 60 75 – dB
Current Limit – 105 200 – mA
Short Circuit Output Current V
OUT
= 0 V 25 125 – mA
Overvoltage Shutdown V
OUT
≤ 1.0 V 30 34 38 V
Reverse Current V
OUT
= 5.0 V, V
IN
= 0 V – 100 250 µA
ENABLE Input (ENABLE)
Threshold High (V
OUT
OFF) – 1.4 2.0 V
Threshold Low (V
OUT
ON) 0.6 1.4 – V
Input Current V
ENABLE
= 2.4 V – 30 100 µA
Reset Function (RESET)
RESET Threshold High (V
RH
) V
OUT
Increasing 8.50 9.00 V
OUT
– 0.50 V
RESET Threshold Low (V
RL
) V
OUT
Decreasing 8.30 8.90 V
OUT
– 0.45 V
RESET Hysteresis (High – Low) 50 100 200 mV
Reset Output Leakage
RESET
= High
V
OUT
≥ V
RH
– – 25 µA
Output Voltage Low (V
RLO
) R
RESET
= 10 k, 1.0 V ≤ V
OUT
≤ V
RL
– 0.1 0.4 V
Output Voltage Low (VR
PEAK
) R
RESET
= 10 k, V
OUT
,
Power up, Power down
– 0.6 1.0 V
PACKAGE LEAD DESCRIPTION
PACKAGE LEAD #
SO–8
LEAD SYMBOL FUNCTION
1 V
OUT
10 V, ±4.0%, 100 mA output.
2 V
OUT
Sense Kelvin connection which allows remote sensing of output voltage for improved
regulation. If remote sensing is not required, connect to V
OUT
.
3 ENABLE Logic level switches output off when toggled HIGH.
4 GND Ground. All GND leads must be connected to Ground.
5 RESET Active reset (accurate to V
OUT
≥ 1.0 V).
6, 7 NC No connection.
8 V
IN
Input voltage.
P1-P3P4-P6P7-P8

CS8311YDR8

Mfr. #:
Buy CS8311YDR8
Manufacturer:
ON Semiconductor
Description:
IC REG LINEAR 10V 100MA 8SOIC
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