LT1513C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1513C' PDF : 16 Pages View PDF
LT1513/LT1513-2
ABSOLUTE AXI U RATI GS
Supply Voltage ....................................................... 30V
Switch Voltage ........................................................ 40V
S/S Pin Voltage ....................................................... 30V
FB Pin Voltage (Transient, 10ms) ......................... ±10V
VFB Pin Current .................................................... 10mA
IFB Pin Voltage (Transient, 10ms) ......................... ±10V
Operating Junction Temperature Range
LT1513C ............................................... 0°C to 125°C
LT1513I ............................................ – 40°C to 125°C
Short Circuit ......................................... 0°C to 150°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER I FOR ATIO
FRONT VIEW
7
VIN
6
S/S
TAB
5
VSW
IS
4
GND
GND
3
IFB
2
FB
1
VC
R PACKAGE
7-LEAD PLASTIC DD
TJMAX = 125°C, θJA = 30°C/ W
WITH PACKAGE SOLDERED TO 0.5INCH2 COPPER
AREA OVER BACKSIDE GROUND PLANE OR INTERNAL
POWER PLANE, θJA CAN VARY FROM 20°C/W TO
> 40°C/W DEPENDING ON MOUNTING TECHNIQUE
ORDER PART
NUMBER
LT1513CR
LT1513CR-2
LT1513IR
LT1513IR-2
Consult factory for Military grade parts.
FRONT VIEW
7
VIN
6
S/S
5
VSW
4
GND
3
IFB
2
FB
1
VC
T7 PACKAGE
7-LEAD TO-220
TJMAX = 125°C, θJA = 50°C/ W, θJC = 4°C/W
ORDER PART
NUMBER
LT1513CT7-2
LT1513IT7-2
ELECTRICAL CHARACTERISTICS
VIN = 5V, VC = 0.6V, VFB = VREF, IFB = 0V, VSW and S/S pins open, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
VREF
FB Reference Voltage
FB Input Current
Measured at FB Pin
VC = 0.8V
VFB = VREF
VIREF
IFBVOS
gm
FB Reference Voltage Line Regulation
IFB Reference Voltage (LT1513)
IFB Input Current
IFB Reference Voltage Line Regulation
IFB Voltage Offset (LT1513-2) (Note 3)
IFB Input Current
VFB Source Current
Error Amplifier Transconductance
2.7V ≤ VIN ≤ 25V, VC = 0.8V
Measured at IFB Pin
VFB = 0V, VC = 0.8V
VIFB = VIREF (Note 2)
2.7V ≤ VIN ≤ 25V, VC = 0.8V
IVFB = 60µA (Note 4)
VIFB = VIREF
VIREF = – 10mV, VFB = 1.2V
∆IC = ±25µA
Error Amplifier Source Current
Error Amplifier Sink Current
VFB = VREF – 150mV, VC = 1.5V
VFB = VREF + 150mV, VC = 1.5V
MIN
1.233
q 1.228
q
q
– 107
q –110
q 10
q
q – 7.5
q – 200
q – 700
1100
q 700
q 120
q
TYP
1.245
1.245
300
0.01
– 100
– 100
25
0.01
2.5
– 10
– 300
1500
200
1400
MAX
1.257
1.262
550
600
0.03
– 93
– 90
35
0.05
12.5
0
– 100
1900
2300
350
2400
UNITS
V
V
nA
nA
%/ V
mV
mV
µA
%/V
mV
nA
µA
µmho
µmho
µA
µA
2
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