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參數(shù)資料
| 型號： | L5996 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 5 BIT DYNAMIC DAC CONTROLLER FOR MOBILE CPU |
| 中文描述： | 5位動態(tài)援控制器的移動CPU |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 77K |
| 代理商： | L5996 |
Symbol
PROTECTION FUNCTIONS
V
8
-V
7
Over-Current Threshold
Voltage
Pulse Skipping Mode
Threshold Voltage
Zero Crossing Threshold
Under-Voltage Threshold
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
SSTART
= 3.1V
48
60
72
mV
NOSKIP = HIGH
7
11
15
mV
-4
+4
mV
V
Vprog
-13%
Vprog
+7%
Vprog
-10%
Vprog
+10%
Vprog
-4.5%
Vprog
-7%
Vprog
+13%
Upper Over-Voltage Threshold
V
Lower Over-Voltage Threshold
V
Over-Voltage Propagation
Time
Under-Voltage Propagation
Time
SOFT START
Soft start source current
Soft start clamp voltage
OSCILLATOR AND SYNC
f
osc
Fixed frequency
1.5
μ
s
1.5
μ
s
3.2
4
4.8
μ
A
V
3.1
OSC =0V;FREQ = REG5
OSC = REG5 FREQ = REG5
FREQ = REG5
OSC = EXTERNAL SIGNAL
Rising edge mode
225
180
250
200
275
220
120
KHz
KHz
KHz
f
SINK MIN
Minimum Synchronizzable
external frequency
Sync pulse width
Sync pulse amplitude
Operating switching frequency Rext connected between
200
3
ns
V
5.5
fosc
FREQ and GND, OSC
connect to REG5 or GND
Rext = 680k
Rext = 40k
100
1
kHz
MHz
HIGH AND LOW SIDE GATE DRIVERS
I
OH5
Output high source peak
current
R
H5
Output high sink impedance
HSTRAP = RSTRAP = REG5
550
mA
I
test
= 100mA,
HSTRAP = RSTRAP = REG5
HSTRAP = RSTRAP = 12V
3.5
I
OH12
Output high source peak
current
Output high sink impedance
2
A
R
H12
I
test
= 100mA,
HSTRAP - RSTRAP = 12V
HSTRAP = RSTRAP = 5V
Itest = 100mA,
HSTRAP = RSTRAP = 5V
HSTRAP = RSTRAP = 12V
I
test
= 100mA,
HSTRAP = RSTRAP = 12V
GATE low to high
2
I
OL5
R
L5
Output low peak current
Output low impedance
500
3
mA
I
OL12
R
L12
Output low peak current
Output low Impedance
2
2
A
T
CC
Dead Time
60
ns
ELECTRICALCHARACTERISTICS
(continued)
L5996
4/9
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