LTC1553L Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
Список матч
LTC1553L
Linear Technology
LTC1553L Datasheet PDF : 20 Pages
| |||
LTC1553L
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage
VCC ........................................................................ 7V
PVCC ................................................................... 14V
Input Voltage
IFB (Note 2) ............................................ PVCC + 0.3V
IMAX ........................................................ – 0.3V to 9V
All Other Inputs ......................... – 0.3V to VCC + 0.3V
Digital Output Voltage ................................. – 0.3V to 9V
IFB Input Current (Notes 2, 3) .......................... – 100mA
Operating Temperature Range ..................... 0°C to 70°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
G2 1
PVCC 2
GND 3
SGND 4
VCC 5
SENSE 6
IMAX 7
IFB 8
SS 9
COMP 10
20 G1
19 OUTEN
18 VID0
17 VID1
16 VID2
15 VID3
14 VID4
13 PWRGD
12 FAULT
11 OT
ORDER PART
NUMBER
LTC1553LCG
LTC1553LCSW
G PACKAGE
SW PACKAGE
20-LEAD PLASTIC SSOP 20-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 100°C/ W (G)
TJMAX = 125°C, θJA = 100°C/ W (SW)
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS VCC = 5V, PVCC = 12V, TA = 25°C, unless otherwise noted. (Note 3)
SYMBOL
VCC
PVCC
VFB
VOUT
∆VOUT
VPWRGD
VFAULT
ICC
IPVCC
PARAMETER
Supply Voltage
Supply Voltage for G1, G2
Internal Feedback Voltage
1.8V Initial Output Voltage
2.8V Initial Output Voltage
3.5V Initial Output Voltage
1.8V Initial Output Voltage
2.8V Initial Output Voltage
3.5V Initial Output Voltage
Output Load Regulation
Output Line Regulation
Positive Power Good Trip Point
Negative Power Good Trip Point
FAULT Trip Point
Operating Supply Current
Shutdown Supply Current
Supply Current
fOSC
VSAWL
VSAWH
GERR
gmERR
BWERR
Internal Oscillator Frequency
VCOMP at Minimum Duty Cycle
VCOMP at Maximum Duty Cycle
Error Amplifier Open-Loop DC Gain
Error Amplifier Transconductance
Error Amplifier –3dB Bandwidth
CONDITIONS
(Note 4)
With Respect to Rated Output Voltage (Figure 2)
IOUT = 0 to 14A (Note 4) (Figure 2)
VIN = 4.75V to 5.25V, IOUT = 0 (Note 4)(Figure 2)
% Above Output Voltage (Figure 2)
% Below Output Voltage (Figure 2)
% Above Output Voltage (Figure 2)
OUTEN = VCC = 5V (Note 5)(Figure 3)
OUTEN = 0, VID0 to VID4 Floating (Figure 3)
PVCC = 12V, OUTEN = VCC (Note 6) (Figure 3)
PVCC = 12V, OUTEN = 0, VID0 to VID4 Floating
(Figure 4)
(Note 4)
(Note 4)
(Note 7)
(Note 7)
COMP = Open (Note 4)
MIN TYP
q
4.5
q
1.260
– 27 (– 1.5%)
– 42 (– 1.5%)
– 52 (– 1.5%)
q – 36 (– 2%)
q – 56 (– 2%)
q – 70 (– 2%)
–5
±1
q
5
q
–7
–5
q
12
15
q
800
q
130
15
1
q
250
300
1.8
2.8
q
40
53
q
0.9
1.6
400
MAX
UNITS
6
V
13.2
V
V
27 (+ 1.5%)
mV
42 (+ 1.5%)
mV
52 (+ 1.5%)
mV
36 (+ 2%)
mV
56 (+ 2%)
mV
70 (+ 2%)
mV
mV
mV
7
%
%
20
%
1200
µA
250
µA
mA
µA
350
kHz
V
V
dB
2.3 millimho
kHz
2
Share Link: