Low-side Switch ICs
[Surface-mount 4-circuits with Output Monitor]
SPF5012
Features
Output monitor circuit (DIAG)
DMOS 4ch output
Allows ON/OFF using C-MOS logic level
Built-in overcurrent, overvoltage and thermal protection circuits
External Dimensions
(unit: mm)
17.28
±0.2
15.58
±0.2
24
13
1.0
–0.05
Fin
thickness
+0.1
Absolute Maximum Ratings
Parameter
Power supply voltage 1
Power supply voltage 2
Output voltage
Logic input voltage
Output current
Diag output voltage
Power Dissipation
Storage temperature
Channel temperature
Output avalanche capability
Symbol
V
B
V
CC
V
O
V
IN
I
O
V
DIAG
P
D
Tstg
Tch
E
AV
Ratings
40
7.5
40 (DC)
–0.5 to +7.5
Self Limited
0 to V
CC
2.8 to 5
–40 to +150
150
100
Unit
V
V
V
V
A
V
W
ºC
ºC
mJ
Single pulse
Conditions
(Ta=25ºC)
1
1.27
±0.25
+0.15
0.4
–0.05
12
2.5
±0.2
2
±0.2
b
0.25
–0.05
+0.15
*
1
a : Part No.
b: Lot No.
*
2
Equivalent Circuit Diagram
V
CC
1-2
(7)
Diag1
(5)
V
B
(19)
Reg
OVP
TSD
V
IN
1
(4)
Gate driver
OCP
Gate Protection
V
OUT
1
(3)
*
1. At the clamping operation, refer to the section of V
OUT (clamp)
in electrical characteristics
*
2. Changes by the patern of mounted substrate
Ch1
P. GND1
(1, 2)
Electrical Characteristics
Parameter
Operating power supply voltage 1
Operating power supply voltage 2
Quiescent circuit current
Operating circuit current
Hi output
Input voltage
Lo output
Hi output
Input current
Lo output
Output ON resistance
Output clamp voltage
I
IN
R
DS (ON)
0.2
V
OUT (clamp)
45
50
55
2.8
Output leak current
I
O
H
900
Forward voltage of output stage diode
Overvoltage protection starting voltage
V
F
V
B (ovp)
25
8
151
6
Overcurrent protection
operating current
I
S
6
5
T
ON
Output transfer time
T
OFF
Output rise time
Output fall time
Output-diag voltage ratio
Diag output clamping voltage
T
r
T
f
r
a (DIAG)
V
DIAG (clamp)
0.195
0.2
8
5
10
0.205
4.85
12
165
1.6
40
–30
0.3
V
IN
I
IN
–0.5
1.5
50
Symbol
V
B (opr)
V
CC (opr)
Iq
Id
V
IN
3.5
Ratings
min
5.5
4.5
4
8
typ
max
40
5.5
6
12
5.5
(V
B
=14V, Ta = 25ºC unless otherwise specified)
Unit
V
V
mA
mA
V
V
µA
µA
V
mA
µA
V
V
V
ºC
A
A
A
µs
µs
µs
µs
V
B
=14V
Conditions
V
IN
2
(9)
Ch2
Diag2
(8)
V
OUT
2
(10)
P. GND2
(11, 12)
V
CC
3-4
(18)
Diag3
(17)
V
OUT
3
(15)
P. GND3
(13, 14)
V
B
=14V, V
IN
=0V
V
B
=14V, V
IN
=5V
V
B
=14V, V
O
=1A
V
B
=14V
V
B
=14V, V
IN
=5V
V
B
=14V, I
O
1A
V
B
=14V, I
O
=1A, Ta=125ºC
V
B
=14V, I
O
=1A, Ta=25ºC
V
B
=14V, I
O
=1A
V
B
=14V, V
CC
=5V, V
IN
=0V,
V
O
=40V, Ta=25ºC
V
B
=14V, V
CC
=5V, V
IN
=0V,
V
O
=14V, Ta=25ºC
I
F
=1A
V
IN
3
(16)
Ch3
V
IN
4
(21)
Ch4
L. GND
(6)
Diag4
(20)
V
OUT
4
(22)
P. GND4
(23, 24)
Circuit Example
7
18
19
3
10
15
22
V
CC
1-2 V
CC
3-4 V
B
V
CC
4
9
16
21
V
OUT
1 V
OUT
2 V
OUT
3 V
OUT
4
Diag1
Diag2
Diag3
Diag4
5
8
17
20
Input
signal
V
IN
1
V
IN
2
V
IN
3
V
IN
4
L-GND
6
SPF5012
1, 2
11,12
13,14
Diag
output
Overvoltage protection hysteresis voltage V
B (ovp•hys)
Thermal shutdown operating temperature
T
TSD
P-GND1 P-GND2 P-GND3 P-GND4
23,24
V
B
=14V, Ta=–40ºC
V
B
=14V, Ta=25ºC
V
B
=14V, Ta=125ºC
Truth table
V
IN
V
O
H
L
L
H
Short L-GND and P-GND
in a pattern near the product.
V
B
=14V, R
L
=14Ω, I
O
=1A
V
B
=14V, V
O
=1 to 14V, Rdiag=500kΩ
V
V
B
=14V, V
CC
=5V, V
O
=40V
Timing Chart
OVP
V
B
V
OUT
V
IN
Normal
Overvoltage
Overheat
Overcurrent
54
* Self-excited frequency is used in the overcurrent protection.
10.5
±0.3
7.5
±0.2
a
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