IR3311 Datasheet, PDF (3/12 Pages) International Rectifier – PROGRAMMABLE CURRENT SENSING HIGH SIDE SWITCH

IR3311(S)
Protection Characteristics
Tj = 25^oC (unless otherwise specified), RIfb = 500 to 5kOhm.
Symbol Parameter
Min. Typ. Max. Units Test Conditions
VIfb -Vin
@ Isd Over-current shutdown threshold
Tsd
Over-temp. shutdown threshold
Treset
OV
Isdf
Isd_1k
Min.Pulse
Protection reset time
Over voltage shutdown (not latched)
Fixed over current shutdown
Adjustable over current shutdown 1K
Minimum pulse width (no WAIT state)
WAIT
WAIT function timer
Rev.Rdson Rds(on) reverse battery protection
Static Electrical Characteristics
(Tj = 25^oC, Vcc = 14V unless otherwise specified.)
4
4.5 5.4
V
—
165
—
°C see Fig. 7
—
50
300
µS see Fig. 7
—
36
—
V
58
70
90
A VIfb<Vin
18
24
31
A RIfb=1k
200 500 1200 µs see Fig. 6
0.5
1.2
3.5
ms see Figs. 6 and 7
6
10
18
mΩ Vcc-Vin=-12V, Iload=10A
Symbol Parameter
Iq
Total quiescent current (Iout +Ifb)
Min. Typ.
—
22
Iin
Vih
Vil
Vhys
Iout qs
Input current
High level input threshold voltage (4)
Low level input threshold voltage (4)
Input hysterisis = Vih-Vil
Output quiescent current
1.5
4
—
5
3.5
4
0.4
1
—
9
Rds1 on
Rds2 on
Rds3 on
Vclamp1
Vclamp2
Vsd
Vaval.
ON state resistance (5)
ON state resistance (5)
ON state resistance (5)
Vcc to Vout active clamp voltage
Vcc to Vout active clamp voltage
Body diode forward voltage
Vcc to Vout avalanche voltage
5
9
5
9.5
10
17
30
35
—
36
— 0.85
40
43
Switching Electrical Characteristics
Vcc = 14V, Resistive Load = 0.4Ω, T_j = 25^oC, (unless otherwise specified).
Max.
50
6
5.5
—
1.5
15
12
17
23
—
40
1
50
Units Test Conditions
µA Vcc-Vin=0, Vcc- Vout=12V
Vcc-VIfb=12V
mA Vcc-Vin=14V
V
µA Vcc-Vin=0; Vcc-VIfb=0;
Vcc-Vout=12V
Iout=30A, Vcc-Vin=14V
mΩ ^{Iout=17A, Vcc -Vin=6V}
Iout=30A, Tj = 150^oC
Iout = 10mA
Iout=30A,Vcc-VIfb<20V
V _Iout=5A
Iout=100mA,Vcc-Vfb> 35V
Symbol Parameter
Min. Typ. Max. Units Test Conditions
Tdon
Turn-on delay time to Vcc-Vout= 0.9 Vcc
2
9
20
Tr1
Rise time to Vcc-Vout=5V
Tr2
Rise time to Vcc -Vout = 0.1Vcc
0.4 1.6
5
µs
10
30
100
see figure 2
Eon
Turn ON energy
—
1.5
3
mJ
Tdoff
Tf
Turn-off delay to Vcc -Vout = 0.1Vcc
Fall time to Vcc-Vout = 0.9 Vcc
6
3
25
10
80 _µs
30
see figure 3
Eoff
Turn OFF energy
—
1
2
mJ
4) Input thresholds are measured directly between the input pin and the tab. Any parasitic resistance in common between the load
current path and the input signal path can significantly affect the thresholds.
5) Rds(on) is measured between the Tab and the Out pin, 5mm away from the package.
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