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參數(shù)資料
| 型號(hào)： | TDA5345HT |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 5 V spindle & VCM driver combo |
| 中文描述： | DISK DRIVE MOTOR CONTROLLER, 2 A, PQFP64 |
| 封裝： | LOW PROFILE, PLASTIC, TQFP-64 |
| 文件頁(yè)數(shù)： | 40/44頁(yè) |
| 文件大小： | 213K |
| 代理商： | TDA5345HT |
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1999 June 10
40
Philips Semiconductors
Preliminary specification
5 V spindle & VCM driver combo
TDA5345HT
5-3 Thermal monitor
5-4 Shock Sensor
5-5 3.3 V DC-DC linear converter
Note:
1.
External NPN: 2SC4210 for instance
SYMBOL
PARAMETER
output voltage at low temp T
JUNC
= 0
°
C, TempSel = 1
output voltage at high temp T
JUNC
= 150
°
C,
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
OLT
V
OHT
2.954
1.896
V
V
TempSel =1
T
JUNC
= 25
°
C, TempSel
=1
V
ONT
output voltage at 25
°
C
2.769
V
K
TEMP
T
Warn
T
Why
T
Shut
T
Shy
temperature coefficient
thermal warning threshold
thermal warning hysteresis tempSel = 0
temperature Shutdown
thermal Shutdown
hysteresis
-7.55
145
15
160
30
mV/
°
C
°
C
°
C
°
C
tempSel = 0
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Unit
I
leak
S
in
Fc
RC
V
T1
V
T2
V
T3
V
T4
V
T5
V
T6
V
T7
V
T8
shockinput leakage current @ Vref = 2 V, GbD
input sensitivity
RC filter cut-off frequency
2nd stage input window
2nd stage input window
2nd stage input window
2nd stage input window
2nd stage input window
2nd stage input window
2nd stage input window
2nd stage input window
5
nA
μ
V
kHz
μ
V
μ
V
μ
V
μ
V
μ
V
μ
V
μ
V
μ
V
@ 1 kHz, GbD
35
6
122
386
612
816
1021
1226
1430
1634
8
10
306
522
750
1000
1248
1498
1747
1998
shockThreh[2, 0] = “000”
shockThreh[2, 0] = “001”
shockThreh[2, 0] = “010”
shockThreh[2, 0] = “011”
shockThreh[2, 0] = “100”
shockThreh[2, 0] = “101”
shockThreh[2, 0] = “110”
shockThreh[2, 0] = “111”
227
454
681
908
1135
1362
1589
1816
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Unit
I
SOURCE
I
SINK
C
DEC
V
O
source current
sink current
external decoupling cap
output voltage
5
mA
μ
A
μ
F
250
4.7
3.3
I
LOAD
constant
& NPN V
BE
<= 0.7 V
same as
V
O
+Vdd5 = 4.1 V
3.15
3.45
V
V
O_4v1
output voltage
3.05
3.2
3.45
V
BW
control loopband width
GbD
600
kHz
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