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L6569 L6569A
PIN FUNCTION
ELECTRICAL CHARACTERISTCS
(V
S
= 12V; V
BOOT
- V
OUT
= 12V; T
j
= 25°C; unless otherwise specified.)
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.
Symbol Pin Parameter Test Condition Min. Typ. Max. Unit
V
SUVP
1 VS Turn On Threshold 8.3 9 9.7 V
V
SUVN
VS Turn Off Threshold 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
Quiescent Current V
S
> V
SUVP
500 700 µA
I
BOOTLK
8 Leakage Current BOOT pin vs
GND
V
BOOT
= 580V 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
