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| 型号： | A4980KLPTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 4/44页 |
| 文件大小： | 0K |
| 描述： | IC STEPPER DVR PROGR 28-TSSOP |
| 标准包装： | 1 |
| 应用： | 步进电机驱动器 |
| 输出数： | 1 |
| 电流 - 输出： | ±1.4A |
| 电压 - 负载： | 0 V ~ 50 V |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 28-TSSOP 裸露焊盘 |
| 包装： | 标准包装 |
| 其它名称： | 620-1461-6 |
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A4980
Automotive, Programmable Stepper Driver
ELECTRICAL CHARACTERISTICS 1,2 Valid at T J = –40°C to 150°C, V BB = 6 to 28 V, V DD = 3.3 V; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Supplies
Load Supply Voltage Range 3
Load Supply Quiescent Current
Logic Supply Voltage Range
Logic Supply Quiescent Current
Charge Pump Voltage
Internal Regulator Voltage
Internal Regulator Dropout Voltage
V BB
I BBQ
V DD
I DDQ
V CP
V REG
V REGDO
F u n c t i o n a l
O u t p u t s D r i v i n g
E N A B L E = 0
S l e e p m o d e
E N A B L E = 0
S l e e p m o d e
With repect to VBB, V BB >7.5 V, ENABLE = 0,
RESETn = 1
ENABLE = 0, RESETn = 1, V BB > 7.5 V
ENABLE = 0, RESETn = 1, V BB > 3.5 V
0
3 . 3
–
–
3
–
–
–
–
–
–
–
–
1
–
–
4
6.7
7.2
100
5 0
V BBOV
4
1 0
5.5
5
1 5
–
–
200
V
V
m A
μ A
V
m A
μ A
V
V
mV
Motor Bridge Output
V BB = 13.5 V, I OUT = –1 A, T J = 25°C
–
500
600
m Ω
High-Side On-Resistance
High-Side Body Diode Forward
Voltage
Low-Side On-Resistance
Low-Side Body Diode Forward
Voltage
Output Leakage Current
R ONH
V FH
R ONL
V FL
I LO
V BB = 13.5 V, I OUT = –1 A, T J = 150°C
V BB = 7 V, I OUT = –1 A, T J = 25°C
I F = 1 A
V BB = 13.5 V, I OUT = 1 A, T J = 25°C
V BB = 13.5 V, I OUT = 1 A, T J = 150°C
V BB = 7 V, I OUT = 1 A, T J = 2 5 ° C
I F = – 1 A
ENABLE = 0, RESETn = 1, V O = V BB
ENABLE = 0, RESETn = 1, V O = 0 V
ENABLE = 0, RESETn = 0, V O = V BB
ENABLE = 0, RESETn = 0, V O = 0 V
–
–
–
–
–
–
–
–120
–200
–
–20
900
625
–
500
900
6 2 5
–
–65
–120
<1.0
<1.0
1100
750
1 . 4
600
1100
7 5 0
1 . 4
–
–
20
–
m Ω
m Ω
V
m Ω
m Ω
m Ω
V
μ A
μ A
μ A
μ A
Current Control
Internal Oscillator Frequency
External Oscillator Frequency Range
Blank Time 4
f OSC
f EXT
t BLANK
O S C = A G N D
51 k Ω f r o m O S C t o V D D
D e f a u l t B l a n k - T i m e
3 . 2
3 . 6
3
–
4
–
–
1 5 0 0
4 . 8
4 . 4
5
–
M H z
M H z
MHz
n s
Off-Time (In Fixed Off-Time
Mode) 4
t OFF
D e f a u l t O f f - T i m e
–
4 4
–
μ s
PWM Frequency (In Fixed Frequency
Mode) 4
Fast Decay Time 4
Reference Input Voltage
Internal Reference Voltage
f PWM
t FAST
V REF
V REFint
D e f a u l t P W M F r e q u e n c y
D e f a u l t F a s t D e c a y T i m e
R E F t i e d t o V D D
–
–
0.8
1 . 1
1 6 . 7
8
–
1 . 2
–
–
2
1 . 3
k H z
μ s
V
V
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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