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GM7130 데이터시트 PDF




Gamma Microelectronics에서 제조한 전자 부품 GM7130은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 GM7130 자료 제공

부품번호 GM7130 기능
기능 3A Step-down Voltage Regulator
제조업체 Gamma Microelectronics
로고 Gamma Microelectronics 로고


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GM7130 데이터시트, 핀배열, 회로
PRELIMINARY
GM7130
.com 3A STEP-DOWN VOLTAGE REGULATORS
eet4U3.3V, 5V, 12V, 15V, Adjustable output versions
hAdjustable version output voltage range
taS1.23V to 37V ±4% max over line and load
aconditions
.D3A output current
Input voltage range 7V to 40V
w Requires only 4 external components
ww High efficiency
TTL shutdown capability,
mlow power standby mode
oThermal shutdown, current limit protection
.cUses standard inductors
52 kHz fixed frequency internal oscillator
P+ Product Enhancement tested
et4UApplications:
ePre-regulator for linear regulators
hHigh-efficiency step-down buck regulator
On-card/board switching regulators
SPositive to negative converter (buck-boost)
The GM7130 series of regulators provide all the
active functions for a step-down (buck) switching
regulator, and drive 3A load with excellent line and
load regulation. GM7130’s are available in fixed
output voltages of 3.3V, 5V, 12V, 15V, and a
versatile Adjustable output version. These
regulators are simple to use and require a minimum
number of external components. Features include
internal frequency compensation and a fixed-
frequency oscillator. The GM7130 series are high-
efficiency replacements for popular three-terminal
linear regulators, requiring a smaller heatsink or
even no heatsink. The GM7130’s perform well with
standard inductors from several manufacturers,
simplifying the design of switch-mode power
supplies. The GM7130 series guarantee ±4%
tolerance on output voltage within specified input
voltages and output load conditions, and ±10% on
the oscillator frequency. External shutdown is
included, with 50 µA (typical) standby current. The
output switch has cycle-by-cycle current limiting,
as well as thermal shutdown for full protection
under fault conditions.
.DataConnection Diagrams
wwTO-263 (S)
5-Lead Surface-Mount Package
mTop View
w U.coTAB IS
eet4GND
5 - ON/OFF
4 - Feedback
3 - Ground
2 - Output
1 - VIN
Straight Leads
5-Lead TO-220 (T)
Top View
GND
5 - ON/OFF
4 - Feedback
3 - Ground
2 - Output
1 - VIN
www.DataShRevision 1, May 2002
1 www.gammamicro.com




GM7130 pdf, 반도체, 판매, 대치품
PRELIMINARY
GM7130
3A STEP-DOWN VOLTAGE REGULATORS
ELECTRICAL CHARACTERISTICS: GM7130-ADJ
(Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating Temperature Range)
Parameter
Conditions
Symbol
Min
Typ
Max Unit
Feedback Voltage
VIN = 12V, I LOAD = 0.5A, VOUT = 5V
VOUT
Feedback Voltage
Efficiency
18V # VIN # 40V, 0.5A # I LOAD# 3.0A
VOUT = 5V
VIN = 12V, I LOAD = 3A, VOUT = 5V
VOUT
0
1.217
1.230
1.243
1.193 / 1.180 1.230 1.267 / 1.280
- 77 -
V
V
%
ELECTRICAL CHARACTERISTICS: All Output Voltage Versions
(Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating Temperature
Range. Unless otherwise specified, VIN= 12V for the 3.3V, 5.0V and ADJ version, VIN= 25V for 12V version, and VIN= 30V for
15V version. ILOAD = 500 mA)
Parameter
Conditions
Symbol
Min
Typ
Max
Unit
Feedback Bias Current
Oscillator Frequency
Saturation Voltage
Max Duty Cycle (ON)
Current Limit
Output Leakage Current
Quiescent Current
Standby Quiescent Current
Thermal Resistance
ON / OFF Pin
Logic Input Level
ON / OFF Pin Current
VOUT = 5V (Adjustable Version Only)
(Note 11)
IOUT = 3A (Note 4)
(Note 5)
Ib
fO
VSAT
DC
(Notes 4, 11)
(Notes 6, 7) Output = 0 V
Output = -1 V
(Note 6)
ON / OFF Pin = 5V (OFF)
T Package, Junction to Ambient (Note 8)
T Package, Junction to Ambient (Note 8)
T Package, Junction to Case
T Package, Junction to Ambient (Note 10)
VOUT = 0V
VOUT = Nominal Output Voltage
ON / OFF Pin = 5V (OFF)
ON / OFF Pin = 0V (ON)
ICL
IL
IQ
ISTBY
2JA
2JA
2JC
2JA
VIH
VIL
VIH
IIL
-
47 / 42
-
93
4.2 / 3.5
-
-
-
-
-
-
-
-
2.2 / 2.4
-
-
-
50 100 / 500 nA
52
58 / 63
kHz
1.4 1.8 / 2.0
V
98 -
%
5.8 6.9 / 7.5
A
-
7.5
2
30
mA
5 10 mA
50 200 :A
65 -
45
2
-
-
°C/W
50 -
1.4 -
V
1.2 1.0 / 0.8
V
12 30 :A
0 10 :A
Revision 1, May 2002
4 www.gammamicro.com

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GM7130 전자부품, 판매, 대치품
PRELIMINARY
GM7130
3A STEP-DOWN VOLTAGE REGULATORS
Adjustable Output Voltage Versions
7V - 40V
Unregulated
DC Input
+VIN GM7130-ADJ
1
GND 3
+
CIN
100 µF
ON/OFF 5
Feedback
4
Output
2
L1
100 µH
D1
+
COUT
1000 µF
VOUT = 5.0 V
R2
L
O
A
R1 D
( )VOUT = VREF
1+
R2
R1
( )R2 = R1
VOUT
VREF
-
1
where VREF = 1.23V, R1 between 1k and 5k.
(Figure 2)
TYPICAL APPLICATION (Fixed Output Voltage Versions)
7V - 40V
Unregulated
DC Input
+VIN
1 GM7130 - 5.0
+ CIN
100 µF
GND 3 ON/OFF 5
Feedback
4
Output
2
100 µH
L1
D1
1N5822
+5V
Regulated
Output
3A Load
+
COUT
1000 µF
Revision 1, May 2002
7 www.gammamicro.com

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부품번호상세설명 및 기능제조사
GM7130

3A Step-down Voltage Regulator

Gamma Microelectronics
Gamma Microelectronics

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