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IP1842AJ Datasheet PDF : 6 Pages
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SEME
LAB
IP1842A SERIES
IP1843A SERIES
ELECTRICAL CHARACTERISTICS (Over Full Operating Temperature Range unless otherwise stated)
Parameter
Gain
Maximum Input Signal
Supply Voltage
Rejection
Input Bias Current
Delay to Output
Output Low Level
Output High Level
Rise Time
Fall Time
UVLO Saturation
Upper Threshold
(VCC)
Lower Threshold
(VCC)
Start–up Current
Operating Supply
Current
VCC Zener Voltage
Maximum Duty Cycle
Minimum Duty Cycle
Test Conditions 1
CURRENT SENSE SECTION
See Notes 2,3
VPIN1 = 5V
(Note 2)
IP1842A , IP1843A
IP2842A , IP2843A
Min. Typ. Max.
2.85
3
3.15
0.9
1
1.1
VC = 12V to 25V
60
70
–2
–10
150 300
OUTPUT SECTION
ISINK = 20mA
0.1
0.4
ISINK = 200mA
1.5
2.2
ISOURCE = 20mA
13
13.5
ISOURCE = 200mA
12
13.5
CL = 1nF
50
150
CL = 1nF
50
150
VCC = 6V
IL = 1mA
0.7
1.1
UNDER–VOLTAGE LOCKOUT SECTION
IP1842A Series
15
16
17
IP1843A Series
7.8
8.4
9
IP1842A Series
9
10
11
IP1843A Series
7
7.6
8.2
TOTAL STANDBY CURRENT
0.3
0.5
VPIN2 = 0V
IP1842A Series
11
15
VPIN3 = 0V
IP1843A Series
14
17
ICC = 25mA
30
34
40
PWM SECTION
95
97
100
0
IP3842A
IP3843A
Min. Typ. Max. Units
2.85
3
3.15 V/V
0.9
1
1.1 V
60
70
dB
–2
–10 µA
150 300 ns
0.1
0.4
V
1.5
2.2
13
13.5
V
12
13.5
50
150
ns
50
150
0.7
1.1 V
14.5 16 17.5
V
7.8
8.4
9
8.5
10 11.5
V
7
7.6
8.2
0.3
0.5 mA
11
15
mA
14
17
30
34
40 V
95
97
100
%
0
NOTES
1. Test Conditions unless otherwise stated:
2. Parameter measured at trip point of latch with
VCC = 15V* , RT = 10kΩ , CT = 3.3nF , f = 52kHz.
*Adjust VCC above start threshold before setting at
required level.
All specifications apply over the full operating temperature
VPIN2 = 0V
3. Gain defined as:
A = ∆VPIN1
∆VPIN3
0 ≤ VPIN3 ≤ 0.8
range unless otherwise stated.
(See Ordering Information for further details).
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 2/95
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