파트넘버.co.kr GU1086 데이터시트 PDF


GU1086 반도체 회로 부품 판매점

1.5A Low Dropout Positive Adjustable



GTM 로고
GTM
GU1086 데이터시트, 핀배열, 회로
www.DataSheet4U.com
ISSUED DATE :2005/03/14
REVISED DATE :2006/06/01C
GU1086
1.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator
Description
The GU1086 is a low dropout positive adjustable or fixed-mode regulator with minimum of 1.5A output current
capability. The product is specifically designed to provide well-regulated supply for low voltage IC applications
such as high-speed bus termination and low current 3.3V logic supply. GU1086 is also well suited for other
applications such as VGA cards. GU1086 is guaranteed to have <1.4V dropout at full load current making it
ideal to provide well-regulated outputs of 1.25 to 5.0V with 4.7 to 12V input supply by different output voltage.
Features
3-Terminal Adjustable or fixed 1.5V,1.8V,2.5V,3.3V,5.0V
1.4V Maximum Dropout at Full Load current
Fast Transient response
Built-in Thermal Shutdown
Output current limiting
Package Dimensions
Typical Circuit
REF.
A
b
L4
c
L3
L1
E
Millimeter
Min. Max.
REF.
4.40 4.80 c2
0.76 1.00 b2
0.00 0.30 B D
0.36 0.5
e
1.50 REF.
L
2.29 2.79
9.80 10.4 L2
Millimeter
Min. Max.
1.25 1.45
1.17 1.47
8.6 9.0
2.54 REF.
14.6 15.8
0˚ 8˚
1.27 REF.
Block Diagram
GU1086
Page: 1/4


GU1086 데이터시트, 핀배열, 회로
ISSUED DATE :2005/03/14
REVISED DATE :2006/06/01C
Pin Descriptions
Name
I/O
Adj (GND)
Vout
O
Vin I
Pin#
1
2
3
Function
Adjustable (Ground only for fixed mode)
The output of the regulator. A minimum of 10uF capacitor must be connected from this pin to
ground to insure stability.
The input pin of regulator. Typically a large storage capacitor is connected from this pin to ground
to insure that the input voltage does not sag below the minimum dropout voltage during the load
transient response. This pin must always be 1.4V higher than Vout in order for the device to
regulate properly.
Absolute Maximum Ratings
Symbol
Parameter
Vin DC Supply Voltage
PD Power Dissipation
TST Storage Temperature
TOP Operating Junction Temperature Range
Ratings
-0.3 to 12
Internally Limited
-65 ~ + 150
0 ~ + 150
Unit
V
Electrical Characteristics
Parameter
Reference Voltage
Output Voltage
Line Regulator
Load Regulation
Dropout Voltage
(Vin-Vout)
Current Limit
Minimum Load Current
Adjust Pin Current
Quiescent Current
Thermal Regulation
Ripple Rejection
Temperature Stability
Thermal Resistance
Junction–to-Ambient
(No heat sink ;No air flow)
GU1086-ADJ
GU1086-1.5
GU1086-1.8
GU1086-2.5
GU1086-3.3
GU1086-5.0
GU1086-XXX
GU1086-ADJ
GU1086-1.5
GU1086-1.8
GU1086-2.5
GU1086-3.3
GU1086-5.0
Conditions
Io=10mA, TJ =25 , (Vin-Vout )=1.5V
Io=10mA, TJ =25 , 3.0V Vin 12V
Io=10mA, TJ =25 , 3.3V Vin 12V
Io=10mA, TJ =25 , 4.0V Vin 12V
Io=10mA, TJ =25 , 4.8V Vin 12V
Io=10mA, TJ =25 , 6.5V Vin 12V
Io=10mA, Vout+1.5<Vin<12
Vin=3.3V, 0mA<Io<1.5A, TJ=25 (Note 1,2)
Vin=3.0V, 0mA<Io<1.5A, TJ=25 (Note 1,2)
Vin=3.3V, 0mA<Io<1.5A, TJ =25 (Note 1,2)
Vin=4.0V, 0mA<Io<1.5A, TJ=25 (Note 1,2)
Vin=5.0V, 0mA<Io<1.5A, TJ=25 (Note 1,2)
Vin=8.0V, 0mA<Io<1.5A, TJ=25 (Note 1,2)
GU1086-XXX
Io=1.5A( Vout=1% Vout)
GU1086-XXX
Vin-Vout=5V
Adjustable model
Vin=5V
Adjustable model
Vin=12V, Io=10mA
fixed model
Vin=12V, Io=0mA
TA=25 , 30ms pulse
F=120Hz, COUT=25uF, Tantalum, Io=1.5A
GU1086-XXX
Vin=Vout+3V
Io=10mA
MIN
1.225
1.470
1.764
2.450
3.235
4.900
-
-
-
-
-
-
-
-
1.6
-
-
-
-
-
-
-
TYP
1.250
1.500
1.800
2.500
3.300
5.000
-
-
12
15
20
26
40
1.3
-
5
55
-
0.008
60
0.5
83
MAX
1.275
1.530
1.836
2.550
3.365
5.100
0.2
1
15
18
25
33
50
1.4
-
10
100
12
0.04
70
-
-
UNIT
V
V
V
V
V
V
%
%
mV
mV
mV
mV
mV
V
A
mA
uA
mA
%/W
dB
%
/W
Thermal Resistance
Junction-to-Case
Control Circuitry/Power Transistor
- 0.65/2.7 -
/W
Note 1: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured
at a constant junction Temperature by low duty cycle pulse testing. Load regulation is measured at the output lead =1/18” from the
package.
Note 2: Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the
difference in input and output and the output current. Guaranteed maximum power dissipation will not be available over the full
input/output range.
GU1086
Page: 2/4




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