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參數(shù)資料
| 型號(hào)： | LV5603T |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 520 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封裝： | 7 X 7 MM, TQFP-48 |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 129K |
| 代理商： | LV5603T |
LV5603T
No.A0611-2/12
Electrical Characteristics at Ta = 25°C, VCC = VBIAS = 3.6V, SCP = 0V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Error amplifier 1
IN+ pin internal bias voltage
VB
Value added to the error amplifier
offset at the error amplifier + side
voltage
0.504
0.51
0.516
V
Output low voltage
CH1 to CH6
VLow FB
IN1- = 2.0V, IFB = 20
A
0.2
V
Output High voltage
CH1 to CH6
VHi FB
IN1- = 0V IFB1 = -20
A
2.0
V
Error amplifier 2
IN4-RE pin offset voltage
VOF
-6
6
mV
Output low voltage
VLow FB4RE
IN4- RE = 2.0V, IFB = 20
A
0.2
V
Output High voltage
VHi FB4RE
IN4- RE = -10mV, IFB = 500
A
2.0
V
Protection circuit
Threshold voltage
VSCP
1.1
1.25
1.4
V
SCP pin current
ISCP
4
A
Short circuit detection signal pin
VSCPOUT
Open collector
ISCPOUT = 100
A
0.2
V
Software start block (CH1 to CH4)
Soft start current
CH1 to CH6
ISF
CSOFT = 0V
3.2
4
4.8
A
Soft start resistance
CH1 to CH6
RSF
160
200
240
k
Fixed duty
Maximum on duty 1
CH1 to CH3
Duty MAX1, 2, 3
Out monitor, IN- = 0V
100
%
Maximum on duty 2
CH4
Duty MAX4
Out monitor, IN- = 0V
75
80
85
%
Maximum on duty 3
CH5 to CH6
Duty MAX5,6
Out monitor, IN- = 0V
80
85
90
%
Output block 1 to 6
OUT pin high side on resistance
ROUT SOUR
IO = 10mA
25
60
OUT pin high side on resistance
ROUT SINK
IO = 10mA
10
24
Triangle wave oscillator block
Current setting pin voltage
VT RT
RT = 10k
0.57
V
Output current
IOH CT
190
A
Output current ratio
IO CT
0.8
1.0
1.2
Oscillation frequency
FOSC1
RT = 10k
, CT1, 2 = 560pF
360
450
520
kHz
Reference voltage block
Reference voltage
VREF
1.227
1.240
1.253
V
Line regulation
VLN REF
VCC = 3V to 15V
10
mV
Control circuit
On state voltage
VON CTL
2.0
V
OFF state voltage
VOFF CTL
0.6
V
Pin input current
IIN CTL
VCTL = 2V
60
A
Standby circuit
On voltage
VON STBY
2.0
V
Off voltage
VOFF STBY
0.6
V
Pin input current
IIN STBY
VSTBY = 2V
60
A
All circuits
VCC current consumption
ICC
IN1- to IN6- = 1V
5
6.5
mA
Standby mode current consumption
IOFF
VSTBY = VCTL = 0V
IOFF = ICC + IBIAS
1
A
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