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STMicroelectronics Electronic Components Datasheet

L6271 Datasheet

MILLI-ACTUATOR DRIVER

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L6271 pdf
L6270
® L6271
90V BCD MIXED TECHNOLOGY
SO24 AND SO20 PLASTIC SMD PACKAGE
4.5 TO 13.2V OPERATIVE VOLTAGE
±25 TO ±40V OUTPUT VOLTAGE RANGE
SELECTABLE BY EXTERNAL RESISTOR
FULL-WAVE RESONANT DC-DC CON-
VERTER USING SINGLE COIL FOR DUAL
HIGH VOLTAGE GENERATOR WITH OUT-
PUT SLEW RATE CONTROL AND SELF
CURRENT LIMITING
LINEAR MODE AND BANG-BANG MODE
±40V OR 0/+80V OPERATIVE VOLTAGE
DRIVING CONFIGURATION MODES:
1. SINGLE ENDED VOLTAGE MODE
2. DIFFERENTIAL VOLTAGE MODE
3. SINGLE ENDED CHARGE MODE
DOUBLE OPERATIONAL AMPLIFIERS WITH
500KHZ GAIN BANDWIDTH PRODUCT AND
LOAD DRIVING CAPABILITY FROM 0.4NF
UP TO 24NF
BLOCK DIAGRAM
MILLI-ACTUATOR DRIVER
PRODUCT PREVIEW
SO20
SO24
ORDERING NUMBERS:
L6270
L6271
2.5V VOLTAGE REFERENCE
2.5V ANALOG SHIFTING CIRCUITRY
POWER SAVING SLEEP MODE
DESCRIPTION
The L6270/1 is a piezoelectric actuator driver.
V512-AP
20
CRES
COIL
BANG-LIN
21
COIL
Vfdb 3
HVP
24
VSUPPLY
4.5V-13V
+40V
100nF
INB-
INB+
17
16
HVP
-
+
RCCOMP 22
HVM
HVP
POWER
SUPPLY
1K
RESONANT
DC-DC
STEP-UP
CONTROLLER
1
1K
1K
1 HBRIDGE
47nF
2 GND-P
18
OUTK-B
19
OUT1-B
23
HVM
-40V
100nF
INA-
INA+
8
9
-
+
2.5V HVM
1K
SLEEP
50K
7
BAND-GAP
REFERENCE
SLEEP
+
-
ANALOG LEVEL
SHIFTER
VOUT=VIN-2.5
VOUT VIN
10
11
V-SHIFTED
VIN0-5
12
GND-A
100µA
OUTK-A
6
OUT1-A
5 VSUPPLY
20 V512A
+
- INTERNAL
CURRENT
BIAS
13
VREF
100nF
14
IREF
25K
15
DC2REF
RREFDC
D98IN959A
February 1999
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/10


STMicroelectronics Electronic Components Datasheet

L6271 Datasheet

MILLI-ACTUATOR DRIVER

No Preview Available !

L6271 pdf
L6270 - L6271
PIN CONNECTION (SO20)
H-BRIDGE
GND-P
COIL
OUT1-A
OUTK-A
SLEEP
INA(inv)
INA(not inv)
GND-A
Vref
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
D98IN968
HVP
HVM
RC comp
V512-AP
OUT1-B
OUTK-B
INB(inv)
INB(not inv)
DC2ref
Iref
PIN FUNCTIONS (SO20)
N. Name
Description
1 H-BRIDGE 40V Half Bridge output for negative charge pump.
2
GND-P
Power ground.
3
COIL
Coil for positive step up.
4
OUT1-A
Output ampl.A.
5
OUTK-A
Hi current output ampl.A.
6
SLEEP
Sleep mode for stand-by condition (1=SLEEP 0=operative).
7
INA (inv)
Inverting input of A-amplifier.
8 INA (not inv) Non Inverting input of A-amplifier.
9
GND-A
Analog ground.
10 Vref Precise 2.5V reference voltage.
11 Iref External resistor for precise internal current reference.
12
DC2ref
Reference voltage for DC-DC converter X20.
13 INB (not inv) Non Inverting input of B-amplifier.
14
INB (inv)
Inverting input of B-amplifier.
15
OUTK-B
Hi current output ampl.B.
16
OUT1-B
Output ampl.B.
17
V512-AP
Analog&Power voltage supply 5 to 12V.
18 RC comp DC-DC converter compensation network.
19
HVM
Negative High voltage generated op amp supplier.
20
HVP
Positive High voltage generated op amp supplier.
2/10


Part Number L6271
Description MILLI-ACTUATOR DRIVER
Maker STMicroelectronics
Total Page 10 Pages
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