E-L6569 Datasheet, PDF (3/13 Pages) STMicroelectronics – HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

L6569 L6569A
PIN FUNCTION
N°
Pin
Description
1
VS Supply input voltage with internal clamp [typ. 15.6V]
2
RF Oscillator timing resistor pin.
A buffer set alternatively to V_S and GND can provide current to the external resistor RF
connected between pin 2 and 3.
Alternatively, the signal on pin 2 can be used also to drive another IC (i.e. another L6569 to drive
a full H-bridge)
3
CF Oscillator timing capacitor pin.
A capacitor connected between this pin and GND fixes (together with R_F) the oscillating
frequency
Alternatively an external logic signal can be applied to the pin to drive the IC.
4
GND Ground
5
LVG Low side driver output.
The output stage can deliver 170mA source and 270mA sink [typ.values].
6
OUT Upper driver floating reference
7
HVG High side driver output.
The output stage can deliver 170mA source and 270mA sink [typ.values].
8
BOOT Bootstrap voltage supply.
It is the upper driver floating supply. The bootstrap capacitor connected between this pin and pin
6 can be fed by an internal structure named “bootstrap driver” (a patented structure). This
structure can replace the external bootstrap diode.
ELECTRICAL CHARACTERISTCS (V_S = 12V; V_BOOT - V_OUT = 12V; T_j = 25°C; unless otherwise specified.)
Symbol Pin
Parameter
Test Condition
Min. Typ. Max. Unit
V_SUVP
V_SUVN
1 VS Turn On Threshold
VS Turn Off Threshold
8.3
9
9.7
V
7.3
8
8.7
V
V_SUVH
VS Hysteresis
0.7
1
1.3
V
V_CL
VS Clamping Voltage
I_S = 5mA
14.6 15.6 16.6
V
I_SU
Start Up Current
V_S < V_SUVN
150 250
µA
I_q
I_BOOTLK
Quiescent Current
8 Leakage Current BOOT pin vs
GND
V_S > V_SUVP
V_BOOT = 580V
500 700
µA
5
µA
I_OUTLK
6 Leakage Current OUT pin vs
GND
V_OUT = 562V
5
µA
I_{HVG SO} 7 High Side Driver Source Current V_HVG = 6V
110 175
mA
I_{HVG SI}
High Side Driver Sink Current
V_HVG = 6V
190 275
mA
I_{LVG SO} 5 Low Side Driver Source Current V_LVG = 6V
110 175
mA
I_{LVG S}I
Low Side Driver Sink Current
V_LVG = 6V
190 275
mA
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