L6234PD STMicroelectronics, L6234PD Datasheet - Page 6

• Manufacturer Part Number: L6234PD
• Description: IC MOTOR DRIVER 3-PH 20-SOIC
• Manufacturer: STMicroelectronics
• Type: Driverr

Specifications of L6234PD

• Applications: DC Motor Driver, Brushless (BLDC), 3 Phase
• Number Of Outputs: 1
• Current - Output: 4A
• Voltage - Supply: 7 V ~ 52 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: PowerSO-20 Exposed Bottom Pad
• Operating Temperature Classification: Automotive
• Package Type: PowerSO
• Operating Supply Voltage (min): 7V
• Operating Supply Voltage (typ): 42V
• Operating Supply Voltage (max): 52V
• Operating Supply Voltage: 7 V to 52 V
• Supply Current: 0.007 A
• Mounting Style: SMD/SMT
• Current, Output, High Level: 5 A (Pulsed)
• Power Dissipation: 2.3 W
• Temperature, Operating, Maximum: 150 °C
• Temperature, Operating, Minimum: -40 °C
• Voltage, Input, High Level: 7 V
• Voltage, Input, Low Level: -0.3 V
• Voltage, Supply: 52 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 497-2944-5

L6234
Figure 1. Quiescent Current vs. Supply Volt-
1 0
Figure 3. Typical RDS (ON) vs. Supply Voltage.
R D S ( O N )
Figure 5. Typical Diode Forward ON charac-
5
4
3
2
1
0
6/10
IS D [A ]
Iq [m A ]
9
8
7
6
5
4
3
2
1
0
0
0
0 . 7
0 . 6
0 . 5
0 . 4
0 . 3
0 . 2
0 . 1
0
D M O S (O N )
0
T j = 25 °C
8
age.
teristics
0.5
8
1 6
I o u t = 4 A
1 6
V S D [V ]
2 4
V s [V ]
1
2 4
V s [ V ]
T j = 2 5 ° C
T j = 1 3 0 ° C
T j= - 4 0 ° C
D M O S ( O F F )
3 2
3 2
T j = 1 30 °C
T j = -4 0 °C
1.5
T j = 1 00 °C
4 0
4 0
T j = 25 °C
4 8
4 8
2
Figure 2. Normalized Quiescent Current vs.
Iq/(Iq@500Hz)
1.75
1.25
0.75
Figure 4. Source Drain Forward ON voltage
VSD [V]
1.75
1.25
0.75
0.25
Figure 6. Reference Voltage vs. Supply Voltage.
12
10
Vref [V ]
1.5
1.5
0.5
8
6
4
2
0
1
2
1
0
0
-50
0
T j = 2 5°C
-25
switching frequency.
vs. Junction Temperature.
10
10
0
Iout=4A
20
20
25
fsw [kHz]
Tj [°C ]
V s [V ]
Tj = 25°C
50
30
30
75
40
Tj = 130°C
100
40
Tj = -40°C
50
125
50
150
60