LT1942EUF#PBF Linear Technology, LT1942EUF#PBF Datasheet - Page 5

• 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

TYPICAL PERFOR A CE CHARACTERISTICS
10.0
210
208
206
204
202
200
198
196
194
192
190
350
300
200
150
100
400
250
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
50
0
–40
–40
0
FB4 Voltage
Quiescent Current
SW2 Saturation Voltage
T
A
= 25°C
–20
–20
10
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
SW2 CURRENT (mA)
20
20
20
30
40
40
40
60
60
W
50
80
80
1942 G04
1942 G07
1942 G10
U
100
100
60
300
250
200
150
100
350
300
200
150
100
400
250
50
10
50
0
9
8
7
6
5
4
3
2
1
0
0
–40
0
0
V
CT Timer Delay Time
SW3 Saturation Voltage
C
T
FB4
T
A
= 0.1µF
= 25°C
–20
0.5
10
vs CTRL4
0
TEMPERATURE (°C)
SW3 CURRENT (mA)
20
1
T
CTRL4 (V)
A
20
= –40°C
1.5
30
T
40
A
= 85°C
40
2
60
T
A
2.5
50
= 25°C
80
1942 G05
1942 G08
1942 G10
100
60
3
1200
1100
1000
800
600
300
900
700
600
500
400
200
100
700
600
400
300
200
800
500
100
0
0
–40
0
0
Oscillator Frequency
SW1 Saturation Voltage
SW4 Saturation Voltage
T
T
A
A
= 25°C
100 200
–20
= 25°C
25
50
0
SW1 CURRENT (mA)
SW4 CURRENT (mA)
TEMPERATURE (°C)
300
75
20
100
400
40
LT1942
125
500 600
60
150 175
80
700
1942 G06
1942 G09
1942 G12
1942fb
5
100
800
200