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参数资料
| 型号： | SC1158CS |
| 厂商： | Semtech Corporation |
| 英文描述： | PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS |
| 中文描述： | 可编程同步DC / DC控制器的先进的处理器 |
| 文件页数： | 2/5页 |
| 文件大小： | 71K |
| 代理商： | SC1158CS |
SC1158
PROGRAMMABLE SYNCHRONOUS DC/DC
CONTROLLER FOR ADVANCED PROCESSORS
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
Preliminary - August 7, 2000
2
NOTE:
(1) Specification refers to application circuit (Figure 1.).
(2) This device is ESD sensitive. Use of standard ESD handling precautions is required.
ELECTRICAL CHARACTERISTICS
Unless specified: V
CC = 4.75V to 5.25V; GND = PGND = 0V; FB = VO; 0mV < (CS(+) - CS(-)) < 60mV; TJ = 25
oC
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage
See Table 1.
Supply Voltage
V
CC
4.5
7
V
Supply Current
V
CC = 5.0
8
15
mA
Load Regulation
I
O = 0.3A to 15A
(1)
1%
Line Regulation
All VID codes
(1)
+0.15
%
Gain (A
OL)VOSENSE to VO
35
dB
Current Limit Voltage
60
70
80
mV
Oscillator Frequency
125
140
155
kHz
Buffered Reference Voltage
I
REF ≤
=1mA
1.25
V
Oscillator Max Duty Cycle
90
95
%
DH Sink/Source Current
BST
H - DH = 4.5V, DH - PGNDH = 3V
1
A
DL Sink/Source Current
BST
L - DL = 4.5V, DL - PGNDL = 3V
1
A
Dead Time
50
100
ns
VID Pin Source current
VIDx < 2.4V
30
100
uA
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Maximum
Units
V
CC to GND
V
IN
-0.3 to 7
V
PGND to GND
± 1
V
BST to GND
-0.3 to 15
V
Thermal Resistance Junction to Case
θ
JC
30
°C/W
Thermal Resistance Junction to Ambient
θ
JA
130
°C/W
Operating Temperature Range
T
A
0 to 70
°C
Storage Temperature Range
T
STG
-65 to +150
°C
Lead Temperature (Soldering) 10 sec
T
LEAD
300
°C
ESD Rating (Human Body Model)
ESD
1.5
kV
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