L6571A STMicroelectronics, L6571A Datasheet

IC DRVR HALF BRG HV OSC 8MINIDIP

L6571A

Manufacturer Part Number
L6571A
Description
IC DRVR HALF BRG HV OSC 8MINIDIP
Manufacturer
STMicroelectronics
Type
High Voltage Half Bridger
Datasheets

Specifications of L6571A

Configuration
Half Bridge
Input Type
Self Oscillating
Current - Peak
175mA
Number Of Configurations
1
Number Of Outputs
2
High Side Voltage - Max (bootstrap)
600V
Voltage - Supply
10 V ~ 16.6 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.200", 5.08mm)
Supply Voltage (min)
10 V
Supply Current
25 mA
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
Bridge Type
Half Bridge
Minimum Operating Temperature
- 40 C
Number Of Drivers
2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Delay Time
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-5360-5
L6571A

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DESCRIPTION
The device is a high voltage half bridge driver with
built in oscillator. The frequency of the oscillator can
be programmed using external resistor and capaci-
BLOCK DIAGRAM
September 2000
HIGH VOLTAGE RAIL UP TO 600V
BCD OFF LINE TECHNOLOGY
15.6V ZENER CLAMP ON V
DRIVER CURRENT CAPABILITY:
- SINK CURRENT = 270mA
- SOURCE CURRENT = 170mA
VERY LOW START UP CURRENT: 150 A
UNDER VOLTAGE LOCKOUT WITH
HYSTERESIS
PROGRAMMABLE OSCILLATOR
FREQUENCY
DEAD TIME 1.25 s (L6571A) or 0.72 s
(L6571B)
dV/dt IMMUNITY UP TO ±50V/ns
ESD PROTECTION
R
C
F
F
GND
R
C
F
F
2
3
4
S
COMP
COMP
C
REGULATOR
BUFFER
VS
1
BIAS
V
LOGIC
S
V
S
SHIFTER
HIGH VOLTAGE HALF BRIDGE
LEVEL
R
HV
tor. The internal circuitry of the device allows it to be
driven also by external logic signal.
The output drivers are designed to drive external n-
channel power MOSFET and IGBT. The internal log-
ic assures a dead time to avoid cross-conduction of
the power devices.
Two version are available: L6571A and L6571B.
They differ in the internal dead time: 1.25 s and
0.72 s (typ.)
DRIVER WITH OSCILLATOR
BOOT
V
S
8
L6571A
L6571B
LOW SIDE
DRIVER
Minidip
DRIVER
HIGH
SIDE
ORDERING NUMBERS:
7
6
5
HVG
OUT
LVG
D96IN433
C
L6571A
L6571B
BOOT
LOAD
H.V.
L6571AD
L6571BD
SO8
1/8

Related parts for L6571A

L6571A Summary of contents

Page 1

... SOURCE CURRENT = 170mA VERY LOW START UP CURRENT: 150 A UNDER VOLTAGE LOCKOUT WITH HYSTERESIS PROGRAMMABLE OSCILLATOR FREQUENCY DEAD TIME 1.25 s (L6571A) or 0.72 s (L6571B) dV/dt IMMUNITY UP TO ±50V/ns ESD PROTECTION DESCRIPTION The device is a high voltage half bridge driver with built in oscillator. The frequency of the oscillator can ...

Page 2

... L6571A L6571B ABSOLUTE MAXIMUM RATINGS Symbol I (*) Supply Current S V Oscillator Resistor Voltage CF V Low Side Switch Gate Output LVG V High Side Switch Source Output OUT V High Side Switch Gate Output HVG V Floating Supply Voltage BOOT V Floating Supply vs OUT Voltage BOOT/OUT dV /dt ...

Page 3

... SUVP V = 580V BOOT V = 562V OUT HVG HVG LVG LVG I = 1mA -1mA RF L6571A L6571B L6571A L6571B ) the oscillating F = 25°C; unless otherwise specified.) j Min. Typ. Max. 8.3 9 9.7 7.3 8 8.7 0.7 1 1.3 14.6 15.6 16.6 150 250 500 700 5 5 110 175 ...

Page 4

... L6571A L6571B ELECTRICAL CHARACTERISTCS (continued) Symbol Pin Parameter DC Duty Cycle, Ratio Between Dead Time + Conduction Time of High Side and Low Side Drivers I 1 Average Current from Vs AVE f 6 Oscillation Frequency out OSCILLATOR FREQUENCY The frequency of the internal oscillator can be programmed using external resistor and capacitor. ...

Page 5

... Figure 6. Typical Rise and Fall Times vs. Load time [nsec] D96IN378A 300 250 200 150 100 100 150 For both high and low side buffers @25˚C Tamb Figure 7. Quiescent Current vs. Supply Voltage. D96IN379A 100 125 0 D96IN380 Theoretical L6571A L6571B Capacitance [nF D96IN417 6 D96IN418 14 V (V) S 5/8 ...

Page 6

... L6571A L6571B mm DIM. MIN. TYP. MAX. A 1.75 a1 0.1 0.25 a2 1.65 a3 0.65 0.85 b 0.35 0.48 b1 0.19 0.25 C 0.25 0 (typ.) D (1) 4.8 5.0 E 5.8 6.2 e 1.27 e3 3.81 F (1) 3.8 4.0 L 0.4 1. (max.) (1) D and F do not include mold flash or protrusions. Mold flash or potrusions shall not exceed 0 ...

Page 7

... D 10.92 E 7.95 9.75 0.313 e 2.54 e3 7.62 e4 7.62 F 6.6 I 5.08 L 3.18 3.81 0.125 Z 1.52 inch MECHANICAL DATA TYP. MAX. 0.131 0.065 0.022 0.012 0.430 0.384 0.100 0.300 0.300 0.260 0.200 0.150 0.060 L6571A L6571B OUTLINE AND Minidip 7/8 ...

Page 8

... The ST logo is a registered trademark of STMicroelectronics Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain 2000 STMicroelectronics - All Rights Reserved ® STMicroelectronics GROUP OF COMPANIES - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com L6571A L6571B 8/8 ...

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