LT3513 LINER [Linear Technology], LT3513 Datasheet - Page 3

• Manufacturer Part Number: LT3513
• Description: 2MHz High Current 5-Output Regulator for TFT-LCD Panels
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
PARAMETER
FB Threshold Offset to Begin C
C
C
V
Maximum V
V
V
V
Master Oscillator Frequency
Foldback Switching Frequency
UVLO Pin Threshold
UVLO Pin Hysteresis Current
PGOOD Threshold Offset
PGOOD Sink Current
PGOOD Pin Leakage
Switch 1 (2.2A Buck)
FB1 Voltage
FB1 Voltage Line Regulation
FB1 Pin Bias Current
Error Amplifi er 1 Voltage Gain
Error Amplifi er 1 Transconductance
Maximum Duty Cycle
Switch 1 Current Limit
Switch 1 V
Switch 1 Leakage Current
Minimum BOOST Voltage Above SW1 Pin
BOOST Pin Current
BOOST Schottky Diode Drop
Switch 2 (1.5A BOOST)
FB2 Voltage
FB2 Voltage Line Regulation
FB2 Pin Bias Current
Error Amplifi er 2 Voltage Gain
Error Amplifi er 2 Transconductance
Switch 2 Current Limit
Switch 2 V
Switch 2 Leakage Current
BIAS Pin Current Due to SW2
Maximum Duty Cycle (SW2)
T
T
ON
ON_CLK
ON_CLK
ONSINK
Pin Current Source
Threshold to Power V
Switch Drop
Voltage On
Input Voltage High
Input Voltage Low
CESAT
CESAT
ON
Current
ON
T
Charge
CONDITIONS
(Note 3)
All FB Pins = 1.5V
All FB Pins = 1.5V
V
V
V
All FB = 0V
UVLO Pin Voltage Rising
V
PGOOD Connected to 40V Through 100k
V
4.5V < V
(Note 4)
ΔI = 10μA
Duty Cycle = 35% (Note 5)
I
FB1 = 1.5V
I
I
I = 170mA
4.5V < V
(Note 4)
ΔI = 10μA
I
FB2 = 1.5V
I
SW
SW
SW
SW2
SW2
ON
E3
ONSINK
UVLO
PGOOD
= 30V
= 1.5A
= 1.5A (Note 6)
= 1.5A
Current = 30mA
= 1.2A
= 1.2A
= 1V
= 40V
Current = 1μA
IN
IN
A
= 25°C. V
< 32V
< 32V
The
l
IN
denotes the specifi cations which apply over the full operating
= 12V, BIAS = 3V, unless otherwise noted.
l
●
●
●
●
●
●
●
●
1.215
1.205
MIN
1.90
1.80
1.20
1.19
1.5
3.4
2.2
1.5
90
16
30
90
75
75
1
4
1.235
1.25
0.01
1.22
0.01
1.85
TYP
125
200
200
125
250
220
430
700
250
220
360
1.1
3.9
1.8
0.1
0.1
20
50
30
85
30
30
45
90
2
3
1.255
1.265
MAX
2.12
2.22
0.03
1.24
1.25
0.03
160
400
160
200
200
LT3513
1.2
0.3
1.2
4.4
3.5
2.5
2.3
25
10
50
1
1
μmhos
μmhos
UNITS
3513fa
3
MHz
MHz
%/V
%/V
kHz
V/V
V/V
mV
mV
mA
mV
mA
mV
mA
mV
mV
mA
μA
μA
μA
nA
μA
nA
μA
%
%
V
V
V
V
V
V
V
A
V
V
V
A