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LB11690 View Datasheet(PDF) - SANYO -> Panasonic

Part Name
Description
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LB11690 Datasheet PDF : 19 Pages
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LB11690, 11690H
Pin Functions *: Items in parentheses refer to the LB11690H.
Pin name Pin No.
GND
1 (2)
RFGND 2 (3)
RF
3 (4)
WL
VL
UL
WOUT
VOUT
UOUT
WH
VH
UH
IN1
IN2
IN3
RES
EI+
EI–
TOC
PWM
FV
4 (5)
7 (9)
10 (12)
5 (7)
8 (10)
11 (13)
6 (8)
9 (11)
12 (14)
13 (16)
14 (17)
15 (18)
16 (20)
17 (21)
18 (22)
19 (23)
20 (24)
21 (25)
RC 22 (26)
HP 23 (27)
CP2 24 (28)
CP1 25 (29)
LVS 26 (30)
V5
27 (32)
V12 28 (33)
VCC
29 (35)
VB
30 (1)
(FRAME) —
(6) (15)
(NC) (19) (31)
(34) (36)
Pin description
Ground
Ground sensing pin. Connect the ground side of the low-resistance resistor RF connected to the RF pin to this pin.
Output current detection pin. Connect the low-resistance resistor RF between this pin and ground. The output current will be limited
to a value determined by the equation IOUT = 0.1/RF. (Current limiter circuit)
Low side n-channel power FET gate drive output
High side n-channel power FET source voltage detection
High side n-channel power FET gate drive output
Hall sensor signal inputs. Insert capacitors between these pins and ground for stabilization.
Reset input. Insert a resistor between this pin and the V5 pin, and a capacitor between this pin and ground.
Integrating amplifier noninverting input
Integrating amplifier inverting input
PWM waveform comparison (integrating amplifier output)
PWM oscillator frequency setting. Insert a capacitor between this pin and ground.
Hall sensor signal one-shot multi-pulse output
Hall sensor signal one-shot multi-pulse amplitude setting. Insert a resistor between this pin and the V5 pin, and a capacitor between
this pin and ground.
Hall sensor signal three-phase synthesized output (open collector output)
Charge pump capacitor connections. Connect a capacitor between pins CP1 and CP2.
Undervoltage protection voltage detection. To detect a voltage of 5 V or over, connect a zener diode in series to set the detection
voltage.
5 V power supply (control circuit power supply). Insert a capacitor between this pin and ground.
12 V power supply (UL, VL, and WL output block power supply). Insert a capacitor between this pin and ground.
Power supply. Insert a capacitor between this pin and ground for power supply stabilization.
Charge pump output (UH, VH, and WH output block power supply). Insert a capacitor between this pin and VCC.
The FRAME pin is connected to the IC lower surface metal frame. Both should be left electrically open during operation.
These pins are not connected to the IC internally in the package, and thus may be used for wiring connections.
No. 7543-6/19
 

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