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參數(shù)資料
| 型號： | LB1987D |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.3 A, PDIP28 |
| 封裝： | HEAT SINK, DIP-28 |
| 文件頁數(shù)： | 10/17頁 |
| 文件大?。?/td> | 274K |
| 代理商： | LB1987D |
No. 6109-2/17
LB1987, 1987D, 1987M, 1987H
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
7V
VS max
24
V
Maximum output current
IO max
1.3
A
(LB1987)
0.77
W
Allowable power dissipation
Pd max
(LB1987D)
3.0
W
(LB1987M)
0.95
W
(LB1987H)
0.77
W
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–55 to +150
°C
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VS
5 to 22
V
VCC
4.5 to 5.5
V
Hall input amplitude
VHALL
Between Hall inputs
±30 to ±80
mVo-p
GSENSE pin input range
VGSENSE
Relative to the control system ground
–0.20 to +0.20
V
Allowable Operating Ranges at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
VCC current drain
ICC
RL = ∞, VCTL = 0 V (Quiescent)
12
18
mA
[Outputs]
Vosat1
IO = 500 mA, Rf = 0.5 Ω, Sink + Source,
2.1
2.6
V
Output saturation voltage
VCTL = VLIM = 5 V (With saturation prevention)
Vosat2
IO = 1.0 A, Rf = 0.5 Ω, Sink + Source,
2.6
3.5
V
VCTL = VLIM = 5 V (With saturation prevention)
Output leakage current
IOleak
1.0
mA
[FR]
FR pin input threshold voltage
VFSR
2.25
2.50
2.75
V
FR pin input bias current
Ib(FSR)
–5.0
μA
[Control]
CTLREF pin voltage
VCREF
2.37
2.50
2.63
V
CTLREF pin input range
VCREFIN
1.70
3.50
V
CTL pin input bias current
Ib(CTL)
VCTL = 5 V, CTLREF: open
8.0
μA
CTL pin control start voltage
VCTL(ST)
Rf = 0.5 Ω, VLIM = 5 V, IO ≥ 10 mA
2.20
2.35
2.50
V
With the Hall input logic states fixed at (U, V, W = H, H, L)
CTL pin control switching voltage
VCTL(ST2) Rf = 0.5 Ω, VLIM = 5 V
3.00
3.15
3.30
V
CTL pin control Gm1
Gm1(CTL)
Rf = 0.5 Ω, ΔIO = 200 mA
0.52
0.65
0.78
A/V
With the Hall input logic states fixed at (U, V, W = H, H, L)
CTL pin control Gm2
Gm2(CTL)
Rf = 0.5 Ω, ΔVCTL = 200 mV
1.20
1.50
1.80
A/V
With the Hall input logic states fixed at (U, V, W = H, H, L)
[Current Limiter]
LIM current limiter offset voltage
Voff(LIM)
Rf = 0.5 Ω, VCTL = 5 V, IO ≥ 10 mA
140
200
260
mV
With the Hall input logic states fixed at (U, V, W = H, H, L)
LIM pin input bias current
Ib(LIM)
VCTL = 5 V, VCREF: open, VLIM = 0 V
–2.5
μA
LIM pin current limit level
ILIM
Rf = 0.5 Ω, VCTL = 5 V, VLIM = 2.06 V
830
900
970
mA
With the Hall input logic states fixed at (U, V, W = H, H, L)
[Hall Amplifiers]
Input offset voltage
Voff(HALL)
–6
+6
mV
Input bias current
Ib(HALL)
1.0
3.0
μA
Common-mode input voltage
Vcm(HALL)
1.3
3.3
V
Torque ripple correction ratio
TRC
At the bottom and top of the Rf waveform
9%
when IO = 200 mA. (Rf = 0.5 Ω) (Note 1)
[FG Amplifier]
FG amplifier input offset voltage
Voff(FG)
–8
+8
mV
FG amplifier input bias current
Ib(FG)
–100
nA
FG amplifier output saturation voltage Vosat(FG) At the sink side internal pull-up resistor.
0.5
V
FG amplifier common-mode input voltage
VCM(FG)
0.5
4.0
V
Electrical Characteristics at Ta = 25°C, VCC = 5 V, VS = 15 V
Continued on next page.
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