LT1942EUF#PBF Linear Technology, LT1942EUF#PBF Datasheet - Page 4

• Manufacturer Part Number: LT1942EUF#PBF
• Description: IC REG SW QUAD TFT LCD 24-QFN
• Manufacturer: Linear Technology

Specifications of LT1942EUF#PBF

• Applications: Converter, TFT
• Voltage - Input: 2.6 ~ 16 V
• Number Of Outputs: 4
• Voltage - Output: 1.25 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-QFN
• Primary Input Voltage: 16V
• No. Of Outputs: 4
• Output Current: 750mA
• No. Of Pins: 24
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 1 - Unlimited
• Supply Voltage Range: 2.6V To 16V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
LT1942
temperature range, otherwise specifications are at T
PARAMETER
PGOOD Leakage Current
PGOOD Sink Current
CT Charging Current
CT Reference Voltage
V
V
Minimum D3/V
D4 LED Open-Circuit Voltage
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT1942 is guaranteed to meet performance specifications
from 0°C to 70°C. Specifications over the –40°C to 85°C operating
4
TYPICAL PERFOR A CE CHARACTERISTICS
OUT3
OUT3
1.28
1.27
1.24
1.22
1.26
1.25
1.23
–40
Leakage Current
Source Current
V
FB1
–20
Voltage
OUT3
0
TEMPERATURE (°C)
Operating Voltage
20
40
60
W
80
1942 G01
U
100
–145
–146
–147
–148
–149
–150
–151
–152
–153
–154
–155
CONDITIONS
PGOOD NPN Off, V
PGOOD NPN On, V
Output Disconnect PNP Off, D3 = 36V, V
Output Disconnect PNP On, D3 = 3V, V
Minimum D3 Voltage for Proper Output
Disconnect PNP Operation
–40
A
NFB2 Voltage
= 25°C. V
–20
The
0
TEMPERATURE (°C)
●
IN
denotes the specifications which apply over the full operating
= 3.3V, V
PGOOD
PGOOD
20
temperature range are assured by design, characterization and correlation
with statistical controls.
Note 3: Current flows out of the pin.
Note 4: Current limit guaranteed by design and/or correlation to static test.
Note 5: V
40
= 1V
= 5V
SHDN
60
CESAT
= V
80
100% tested at wafer level.
1942 G02
OUT
IN
OUT
, unless otherwise noted. (Note 2)
100
= 2.5V
= 0V
1.28
1.27
1.24
1.22
1.26
1.25
1.23
–40
V
MIN
FB3
0.5
10
38
–20
Voltage
0
TEMPERATURE (°C)
TYP
0.7
0.8
12
15
42
0
0
3
20
40
MAX
0.1
44
1
60
80
1942 G01
UNITS
1942fb
mA
mA
100
µA
µA
µA
V
V
V