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參數(shù)資料
| 型號： | SC1185A |
| 廠商： | Semtech Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 122K |
| 代理商： | SC1185A |
PROGRAMMABLE SYNCHRONOUS DC/DC
CONVERTER, DUAL LOW DROPOUT
REGULATOR CONTROLLER
1999 SEMTECH CORP.
PRELIMINARY - January 6, 1999
652 MITCHELL ROAD NEWBURY PARK CA 91320
SC1185
SC1185A
2
Parameter
VCC to GND
PGND to GND
BST to GND
Operating Temperature Range
Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 seconds
Thermal Impedance Junction to Ambient
Thermal Impedance Junction to Case
Symbol
V
IN
Maximum
-0.3 to +7
± 1
-0.3 to +15
0 to +70
0 to +125
-65 to +150
300
80
25
Units
V
V
V
°C
°C
°C
°C
°C/W
°C/W
T
A
T
J
T
STG
T
L
θ
JA
θ
JC
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
Unless specified: V
CC
= 4.75V to 5.25V; GND = P
GND
= 0V; V
OSENSE
= V
O
; 0mV < (CS+-CS-) < 60mV; LDOV = 11.4V to 12.6V; T
A
= 0 to 70°C
PARAMETER
CONDITIONS
Switching Section
Output Voltage
I
O
= 2A in Application Circuit
Supply Voltage
VCC
Supply Current
VCC = 5.0V
Load Regulation
I
O
= 0.8A to 15A
Line Regulation
Current Limit Voltage
Oscillator Frequency
Oscillator Max Duty Cycle
Peak DH Sink/Source Current
BSTH-DH = 4.5V, DH-PGNDH = 3.1V
MIN
TYP
MAX
UNITS
See Output Voltage Table
4.5
8
1
±0.15
60
70
125
140
90
95
1
100
1
100
35
1
10
7
V
15
mA
%
%
mV
kHz
%
A
mA
A
mA
dB
μA
μA
%
ns
85
160
DH-PGNDH = 1.5V
Peak DL Sink/Source Current
BSTL-DL = 4.5V, DL-PGNDL = 3.1V
DL-PGNDL = 1.5V
VOSENSE to V
O
VIDx
≤
2.4V
VIDx = 5V
Gain (A
OL
)
VID Source Current
VID Leakage
Power good threshold voltage
Dead time
Linear Sections
Quiescent current
Output Voltage LDO1
Output Voltage LDO2
Reference Voltage
Gain (A
OL
)
Load Regulation
Line Regulation
Output Impedance
Gate Pulldown Impedance
VOSENSE Impedance
10
112
88
40
100
LDOV = 12V
5
mA
V
V
V
dB
%
%
k
k
k
2.469 2.500 2.531
1.481 1.500 1.519
1.246 1.265 1.284
90
Iref
≤
100μA
LDOS (1,2) to GATE (1,2)
I
O
= 0 to 8A
0.3
0.3
1.5
750
V
GATE
= 6.5V
GATE(1,2)-AGND;VCC=LDOV=0V
1
80
10
300
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| SC1185ACSW | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
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| SC1185CSW | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC CONVERTER, DUAL LOW DROPOUT REGULATOR CONTROLLER |
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