參數(shù)資料
型號(hào)： SC1102EVB
廠商： Semtech Corporation
英文描述： SYNCHRONOUS DC/DC CONTROLLER FOR DISTRIBUTED POWER SUPPLY APPLICATIONS
中文描述： 同步DC / DC控制器的分布式電源應(yīng)用
文件頁(yè)數(shù)： 2/10頁(yè)
文件大小： 146K
代理商： SC1102EVB
SC1102
SYNCHRONOUS DC/DC CONTROLLER FOR
DISTRIBUTED POWER SUPPLY APPLICATIONS
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
September 5, 2000
2
NOTE:
(1) Specification refers to application circuit (Figure 1).
ELECTRICAL CHARACTERISTICS
Unless specified: V
CC
= 4.75V to 12.6V; GND = PGND = 0V; FB = V
O
; V
BSTL
= 12V; V
BSTH-PHASE
= 12V; T
J
= 25
o
C
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLY
Supply Voltage
V
CC
4.2
12.6
V
Supply Current
EN = V
CC
V
O
= 2.5V
6
10
mA
Line Regulation
0.5
%
ERROR AMPLIFIER
Gain (AOL)
35
dB
Input Bias
5
8
μA
OSCILLATOR
Oscillator Frequency
180
200
220
kHz
Oscillator Max Duty Cycle
90
95
%
MOSFET DRIVERS
DH Source/Sink Current
BST
H
- DH = 4.5V / DH - PHASE = 2V
BST
L
- DL = 4.5V / DL - PGND
L
= 2V
1
A
DL Source/Sink Current
1
A
PROTECTION
OVP Threshold Voltage
20
%
OVP Source Current
V
OVP
= 3V
10
mA
Power Good Threshold
88
112
%
Dead Time
45
100
ns
Over Current Set Isource
2.0V
≤
V
OCSET
≤
12V
180
200
220
μA
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Maximum
Units
V
CC
, BSTL to GND
PGND to GND
V
IN
-0.3 to 14
V
± 0.5
V
PHASE to GND
-0.3 to 18
V
BSTH to PHASE
14
V
Thermal Resistance Junction to Case
θ
JC
45
°C/W
Thermal Resistance Junction to Ambient
θ
JA
T
A
115
°C/W
Operating Temperature Range
0 to 70
°C
Storage Temperature Range
T
STG
T
LEAD
ESD
-65 to +150
°C
Lead Temperature (Soldering) 10 sec
300
°C
ESD Rating (Human Body Model)
2
kV
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