SG337A 반도체 회로 부품 판매점
1.5 AMP NEGATIVE ADJUSTABLE REGULATOR
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 Microsemi Corporation |
SG137A/SG237A/SG337A
SG137/SG237/SG337
1.5 AMP NEGATIVE
ADJUSTABLE REGULATOR
DESCRIPTION
The SG137A family of negative adjustable regulators will deliver up to 1.5A
output current over an output voltage range of -1.2V to -37V. Silicon General
has made significant improvements in these regulators compared to previous
devices, such as better line and load regulation, and a maximum output voltage
error of 1%. The SG137 family uses the same chip design and guarantees
maximum output voltage error of ±2%.
Every effort has been made to make these devices easy to use and difficult to
damage. Internal current and power limiting coupled with true thermal limiting
prevents device damage due to overloads or shorts even if the regulator is not
fastened to a heat sink.
The SG137A/137 family of products are ideal complements to the SG117A/
117 adjustable positive regulators.
FEATURES
• 1 % output voltage tolerance
• 0.01%/V line regulation
• 0.5% load regulation
• 0.02%/W thermal regulation
• Available in hermetic TO-220
HIGH RELIABILITY FEATURES
-SG137A/SG137
♦ Available to MIL-STD-883 and DESC SMD
♦ Scheduled for MIL-M38510 QPL listing
♦ MIL-M38510/11804BYA - JAN137K
♦ LMI level "S" processing available
BLOCK DIAGRAM
2/92 Rev 1.1 2/94
Copyright © 1994
LINFINITY Microelectronics Inc.
1 11861 Western Avenue ∞ Garden Grove, CA 92841
(714) 898-8121 ∞ FAX: (714) 893-2570
SG137A/SG137 SERIES
ABSOLUTE MAXIMUM RATINGS (Note 1)
Power Dissipation .........................................I.nternally Limited
Input to Output Voltage Differential ...................................4. 0V
Storage Temperature Range ............................-65°C to 150°C
Note 1. Exceeding these ratings could cause damage to the device.
THERMAL DATA
K Package:
Thermal Resistance-Junction to Leads, θJC ................ 3.0°C/W
Thermal Resistance-Junction to Ambient, θJA ............... 35°C/W
R Package:
Thermal Resistance-Junction to Leads, θJC ................ 5.0°C/W
Thermal Resistance-Junction to Ambient, θJA .............. 40°C/W
T Package:
Thermal Resistance-Junction to Leads, θJC ................. 15°C/W
Thermal Resistance-Junction to Ambient, θJA ............ 120°C/W
IG Package:
Thermal Resistance-Junction to Leads, θJC ................ 3.5°C/W
Thermal Resistance-Junction to Ambient, θJA .............. 42°C/W
L Package:
Thermal Resistance-Junction to Leads, θJC ................. 35°C/W
Thermal Resistance-Junction to Ambient, θJA ............ 120°C/W
Operating Junction Temperature
Hermetic (K, R, T, L, IG-Packages) ........................... 150°C
Lead Temperature (Soldering, 10 Seconds) ............. 300°C
Note A. Junction Temperature Calculation: TJ = TA + (PD x θJA).
Note B. The above numbers for θJC are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The θJA numbers are meant to be
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
RECOMMENDED OPERATING CONDITIONS (Note 2 & 3)
Input Voltage Range ..............................-(VOUT + 3.5V) to -36V
Operating Junction Temperature Range
SG137A/SG137 ...........................................-.55°C to 150°C
SG237A/SG237 ...........................................-.25°C to 150°C
SG337A/SG337 ............................................. 0°C to 125°C
Note 2. Range over which the device is functional.
Note 3. These ratings are applicable for junction temperatures of less than 135°C.
ELECTRICAL CHARACTERISTICS
(Unless
otherwise
specified,
these
specifications
apply
over
full
operating
ambient
temperatures
for
SG137A/SG137
with
-55°C
≤
T
A
≤
150°C,
SG237A/
SG237
with
-25°C
≤
T
A
≤ 150°C,
SG337A/SG337
with
0°C ≤
T
A
≤ 125°C,
|V - V |
IN OUT
=
5.0V,
and for I
OUT
=
500mA (K, R,
and
IG
power packages)
and
I
OUT
= 100mA (T and L packages). Although power dissipation is internally limited, these specifications are applicable for power dissipations of 2Ω for the T and
L packages, and 20Ω for the K, R, and IG packages. IMAX is 1.5A for the K, R, and IG packages and 0.5A for the T and L packages. Low duty cycle pulse
testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
Parameter
Reference Voltage (Note 6)
Line Regulation (Note 4, 6)
Load Regulation (Note 4)
Thermal Regulation (Note 5)
Ripple Rejection
Adjust Pin Current
Adjust Pin Current Change
(Note 6)
Test Conditions
IOUT = 10mA, TA = 25°C
3V
≤
|V
IN
-
V|
OUT
≤
40V,
10mA
≤
I
OUT
≤
I
MAX
3V ≤ |VIN - VOUT| ≤ 40V, IOUT ≤ IMAX
TA = 25°C
10mA
≤
I
OUT
≤
I
MAX
|VOUT| ≤ 5V, TA = 25°C
|VOUT| ≥ 5V, TA = 25°C
|V |
OUT
≤
5V
|VOUT| ≥ 5V
TA = 25°C, 10ms pulse
V = -10V, f =120Hz
OUT
CADJ = 0, TA = 25°C
CADJ = 10µF
T = 25°C
A
3V ≤ |VIN - VOUT| ≤ 40V
10mA ≤ IOUT ≤ IMAX
SG137A/SG237A SG137/SG237 Units
Min. Typ. Max. Min. Typ. Max.
-1.238-1.250-1.262-1.225-1.250-1.275 V
-1.220-1.250-1.280-1.200-1.250-1.300 V
0.005 0.01
0.01 0.02 %/V
5 25
0.1 0.5
10 50
0.2 1.0
0.002 0.02
15 25
0.3 0.5
20 50
0.3 1.0
0.002 0.02
mV
%
mV
%
%/W
60 66
60
70 80
66 77
65 100
65 100
1.0 5
25
0.2 2
0.5 5
dB
dB
µA
µA
µA
2/92 Rev 1.1 2/94
Copyright © 1994
LINFINITY Microelectronics Inc.
2 11861 Western Avenue ∞ Garden Grove, CA 92841
(714) 898-8121 ∞ FAX: (714) 893-2570
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SG337A regulator
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관련 데이터시트
SG337
1.5 AMP NEGATIVE ADJUSTABLE REGULATOR - Microsemi Corporation
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1.5 AMP NEGATIVE ADJUSTABLE REGULATOR - Microsemi Corporation