LB1952M Ver la hoja de datos (PDF) - SANYO -> Panasonic
Número de pieza
componentes Descripción
Fabricante
LB1952M Datasheet PDF : 11 Pages
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LB1952, 1952M
Specifications
Absolute Maximum Ratings at Ta = 25 °C
Parameter
Maximum supply voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
VS max
IO max
Pd max
Topr
Tstg
Conditions
Arbitrarily large heat sink LB1952
Independent IC LB1952
Independent IC LB1952M
Allowable Operating Ranges at Ta = 25 °C
Ratings
Unit
7
V
24
V
1.3
A
12.5
W
0.77
W
0.95
W
–20 to +75
°C
–55 to +150
°C
Parameter
Supply voltage
Hall input amplitude
GSENSE input range
Symbol
VS
VCC
VHALL
VGSENSE
Conditions
Between Hall inputs
Relative to control system GND
Ratings
5 to 22
4.5 to 5.5
±30 to ±80
–0.20 to +0.20
Unit
V
V
mV0-P
V
Electrical Characteristics at Ta = 25 °C, VCC = 5 V, VS = 15 V
Parameter
VCC supply current
[Output]
Output saturation voltage
Output leakage current
[FR]
FR pin input threshold voltage
FR pin input bias current
[Control]
CTLREF pin voltage
CTLREF pin input range
CTL pin input bias current
CTL pin control start voltage
CTL pin control Gm
[Current Limit]
LIM current limit offset voltage
LIM pin input bias current
LIM pin current limit level
[Hall Amplifier]
Hall amplifier input offset
voltage
Hall amplifier input bias current
Hall amplifier common-mode
input voltage
[TRC]
Torque ripple correction factor
ADJ pin voltage
Symbol
ICC
VOsat1
VOsat2
Ioleak
Conditions
RL = ∞ (when stopped), VCTL = 0 V, VLIM = 0 V
IO = 500 mA, Rf = 0.5 Ω, Sink + Source
VCTL = VLIM = 5 V (with saturation prevention)
IO = 1.0 A, Rf = 0.5 Ω, Sink + Source
VCTL = VLIM = 5 V (with saturation prevention)
VFSR
Ib (FSR)
VCREF
VCREFIN
Ib (CTL)
VCTL (ST)
Gm (CTL)
With VCTL = 5 V, CTLREF : Open
With Rf = 0.5 Ω, VLIM = 5 V, IO ^ 10 mA,
Hall input logic fixed, (u, v, w = H, H, L)
With Rf = 0.5 Ω, ∆IO = 200 mA,
Hall input logic fixed, (u, v, w = H, H, L)
Voff (LIM)
Ib (LIM)
I lim
With Rf = 0.5 Ω, VCTL = 5 V, IO ^ 10 mA,
Hall input logic fixed, (u, v, w = H, H, L)
With VCTL = 5 V, CTLREF : Open,
VLIM = 0 V
With Rf = 0.5 Ω, VCTL = 5 V, VLIM = 2.06 V,
Hall input logic fixed, (u, v, w = H, H, L)
Voff (HALL)
Ib (HALL)
Vcm (HALL)
TRC
At bottom and peak in Rf waveform at IO = 200 mA
(RF=0.5 Ω, ADJ-OPEN) Note 2
Vadj
min
2.25
–5.0
2.05
1.50
2.00
0.46
140
–2.5
830
–6
1.3
2.37
typ max Unit
12 18 mA
2.1 2.6 V
2.6 3.5 V
1.0 mA
2.50 2.75 V
µA
2.15 2.25 V
3.50 V
4.0 µA
2.15 2.30 V
0.58 0.70 A/V
200 260 mV
µA
900 970 mA
+6 mV
1.0 3.0 µA
3.3 V
9
%
2.50 2.63 V
Continued on next page.
No.5132 - 2/11
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