HG8805
600mA LOW DROPOUT CMOS VOLTAGE REGULATORS
FEATURES
Maximum output current 600mA
Highly accurate output voltage: +/-1.5%
Low power consumption
On-chip protections: thermal, short-circuit
Small input/output differential: 600mV at 600mA
Adjustable version
SOT23-5
SOT-223
SOT89-5
ORDERING INFORMATION
DEVICE
Package Type
MARKING
Packing
Packing Qty
8805
REEL
3000pcs/reel
8805-12
REEL
3000pcs/reel
8805-18
REEL
3000pcs/reel
8805-25
REEL
3000pcs/reel
HG8805M5-2.6/TR
8805-26
REEL
3000pcs/reel
HG8805M5-3.3/TR
8805-33
REEL
3000pcs/reel
HG8805MP-1.2/TR
8805-12
REEL
1000pcs/reel
HG8805MP-1.8/TR
8805-18
REEL
1000pcs/reel
8805-25
REEL
1000pcs/reel
HG8805MP-2.6/TR
8805-26
REEL
1000pcs/reel
HG8805MP-3.3/TR
8805-33
REEL
1000pcs/reel
HG8805MK-1.2/TR
8805-12
REEL
2000pcs/reel
HG8805MK-1.8/TR
8805-18
REEL
2000pcs/reel
8805-25
REEL
2000pcs/reel
HG8805MK-2.6/TR
8805-26
REEL
2000pcs/reel
HG8805MK-3.3/TR
8805-33
REEL
2000pcs/reel
HG8805M5/TR
HG8805M5-1.2/TR
HG8805M5-1.8/TR
HG8805M5-2.5/TR
HG8805MP-2.5/TR
HG8805MK-2.5/TR
http://www.hgsemi.com.cn
SOT23-5L
SOT-223
SOT89-5
1/9
2020 SEP
HG8805
PRODUCT DESCRIPTION
The HG805 series is a low-dropout linear regulator. This device is designed specifically for battery-operated
systems. Its ground current is very small - 50
A (typ.) that significantly extends the battery life. The low power
consumption and high accuracy are achieved through CMOS and programmable fuse technologies. Its
versions are HG8805-adj (Vref=1.27V),HG8805 -1.2, HG8805 -1.8, HG8805 -2.5, HG8805 -2.6, HG8805 -3.3.
It is possible to extend the output voltage range from 1.2V to 6.0V. The AME8805 consists of a high-precision
voltage reference, an error-correction circuit, and a current-limited output driver. With good transient responses
the device output remains stable even when the load changes. The EN (Shutdown) input enables the output to
be turned off resulting in reduced power consumption.
The HG8805 can stably work with cheap MLCC output capacitors.
Owing to high ripple rejection ratios, the AME8805 series can be used in the case of a power supply with noise.
A 470pF capacitor from the BP (bypass) input to the ground reduces the noise, which is present on the internal
reference, and that, in turn, significantly reduces the output noise. If that noise is not a concern, the said input
may be left unconnected. Larger CBP capacitor values may be used, but that extends a time period until the
rated output voltage is reached after the power has been initially applied.
The HG8805 incorporates both over-temperature and over-current protections.
The small packages - SOT23-5 (300mW) and SOT-89 (500mW) - are usable too.
APPLICATIONS
Battery-operated systems
Portable computers
Portable cameras and video recorders
Reference voltage sources
Instrumentation
Pagers
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HG8805
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Input voltage
Output current
Output voltage
PARAMETER
Continuous total powerdissipation
Operating ambient temperature
Storage temperature
SYMBOL
RATING
Vin
Iout
Vout
SOT-23-5
SOT-89
SOT-223
UNIT
8
1
-0.3 to Vin+0.3
300
500
625
-40 to +125
-40 to +125
PD
TOpr
TSTG
V
A
V
mW
℃
℃
ELECTRICAL CHARACTERISTICS
(At TA = 25℃, Vin = Vout (nominal)+1V, unless otherwise noted)
PARAMETER
CONDITIONS
MIN
Output voltage accuracy
Reference voltage in Adj version
Iout = 1mA
Iout = 1 to 600mA
-1.5
-3
Line Regulation Vout/VinVout
Iout =1mA, (Vout+1V) < Vin < 6.5V
-0.3
Load regulation (Note1)
1mA ≤ Iout ≤ 600mA, Cout = 1µF
Dropout voltage for Vout > 2.8V
2.0V < Vout ≤ 2.8V
Vout ≤ 2.0V
Maximum output current
Iout = 600mA
Vout > 0.96*Vrating
PSRR
Output voltage noise
CBP = 0µF, Cout = 1
VEN = Vin
VEN = Gnd
VEN = Gnd
FIout =-100mA
UNIT
+1.5
+2
%
0.05
0.3
%/V
Fig.1
0.5
1.5
%
Fig.2
600
800
1300
750
1000
1600
mV
mA
1300
mA
600
µsec
nA
µA
µA
V
V
µA
°C
°C
ppm
100
-1
Vin = 2.5 to 5.5V
Vin = 2.5 to 5.5V
Iout = 0mA to 600mA
Iout = 10mA
Iout = 10mA
Iout = 10mA
Iout =100mA,Cout = 2.2µF,
f = 100Hz
f = 20Hz to 100kHz
Iout = 10mA
TEST
CIRCUIT
MAX
600
Current limit
EN exit delay
EN input bias current
EN input Low current
EN supply current
EN input threshold Low
EN input threshold High
Gnd (Ground) pin current
Over-temperature shutdown
Over-temperature hysteresis
VOUT temperature coefficient
TYP
-0.3
0.01
1
0.4
2
50
155
10
30
85
55
dB
12
µVrms
Fig.3
Note:
The Load regulation is measured by using pulse techniques with the duty cycle < 5%
The Reference voltage nominal value of the adjustable version is 1.27V
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2020 SEP
HG8805
TEST CIRCUITS
HG8805
HG8805
Fig.1. Line regulation
Fig.2. Load regulation
HG8805
Fig.3. Ground current
TYPICAL CHARACTERISTICS
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HG8805
Functional Block Diagram
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HG8805
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HG8805
Physical Dimensions
SOT23-5
Dimensions In Millimeters(SOT23-5)
A
A1
B
C
C1
D
Min:
1.05
0.00
2.82
2.65
1.50
0.30
0°
0.30
Max:
1.15
0.15
3.02
2.95
1.70
0.60
8°
0.40
Symbol:
Q
a
b
e
0.95 BSC
1.90 BSC
SOT89-5
B
d
e
D
C
C1
A
a
L
b
Dimensions In Millimeters(SOT89-5)
A
B
C
C1
D
L
a
b
d
e
Min:
1.40
4.40
4.25
2.30
0.90
0.35
0.40
1.50
3.0
1.55
Max:
1.60
4.60
4.65
2.60
1.20
0.44
0.55
BSC
BSC
BSC
Symbol:
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2020 SEP
HG8805
Physical Dimensions
SOT223
Dimensions In Millimeters(SOT223)
A
A1
B
C
C1
D
Min:
1.50
0.05
6.30
6.70
3.30
0.65
0°
0.66
Max:
1.70
0.20
6.70
7.30
3.70
1.10
8°
0.84
Symbol:
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8/9
Q
a
b
e
2.30 BSC
3.00 BSC
2020 SEP
HG8805
IMPORTANT STATEMENT:
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2020 SEP
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