參數(shù)資料
型號: IRU3048CF
廠商: International Rectifier
元件分類: 基準電壓源/電流源
英文描述: DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER
中文描述: 雙同步PWM控制器電路和LDO控制器
文件頁數(shù): 2/18頁
文件大小: 154K
代理商: IRU3048CF
2
Rev. 1.7
09/12/02
IRU3048
www.irf.com
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=5V, VcH1=VcH2=12V, T
A
=0 to 70°C. Typical
values refer to T
A
=25°C. Low duty cycle pulse testing is used which keeps junction and case temperatures equal to
the ambient temperature.
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage .................................................. 25V
VcH1=VcH2 Supply Voltage ...................................... 30V (not rated for inductive load)
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 125°C
PACKAGE INFORMATION
16-PIN PLASTIC TSSOP (F) 16-PIN PLASTIC SOIC NB (S)
PARAMETER
Reference Voltage
Fb Voltage
Fb Voltage Line Regulation
UVLO
UVLO Threshold - Vcc
UVLO Hysteresis - Vcc
UVLO Threshold - VcH1
UVLO Hysteresis - VcH1
UVLO Threshold - VcH2
UVLO Hysteresis - VcH2
UVLO Threshold - Fb
UVLO Hysteresis - Fb
Supply Current
Vcc Dynamic Supply Current
VcH1 Dynamic Supply Current
VcH2 Dynamic Supply Current
Vcc Static Supply Current
VcH1 Static Supply Current
VcH2 Static Supply Current
Soft-Start Section
Charge Current
SYM TEST CONDITION MIN TYP MAX UNITS
5<Vcc<12
Supply Ramping Up
Supply Ramping Up
Supply Ramping Up
Fb Ramping Down
Freq=200KHz, C
L
=1500pF
Freq=200KHz, C
L
=1500pF
Freq=200KHz, C
L
=1500pF
SS=0V
SS=0V
SS=0V
SS=0V
1.225
15
1.250
0.2
4.2
0.25
3.5
0.2
3.5
0.2
0.6
0.1
5
7
7
3.5
2
2
25
1.275
30
V
%
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA
μ
A
θ
JA
=85
8
C/W
θ
JA
=90
8
C/W
Comp1
Comp2
VcH2
HDrv2
LDrv2
Fb2
PGnd
Vcc
LDrv1
HDrv1
VcH1
V
OUT3
Fb3
SS
Fb1
Gnd
4
3
2
1
13
14
15
16
8
7
6
5
9
10
11
12
TOP VIEW
V
FB
L
REG
UVLO
V
CC
UVLO
V
C
H1
UVLO
V
C
H2
UVLO
FB
Dyn I
CC
Dyn I
C
H1
Dyn I
C
H2
I
CCQ
I
C
H1Q
I
C
H2Q
SS
IB
Comp1
Comp2
VcH2
HDrv2
LDrv2
Fb2
PGnd
Vcc
LDrv1
HDrv1
VcH1
V
OUT3
Fb3
SS
Fb1
Gnd
4
3
2
1
13
14
15
16
8
7
6
5
9
10
11
12
TOP VIEW
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