參數(shù)資料
型號(hào): PM6680ATR
廠商: STMICROELECTRONICS
元件分類(lèi): 穩(wěn)壓器
英文描述: 0.4 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, QCC32
封裝: 5 X 5 MM, LEAD FREE, VFQFPN-32
文件頁(yè)數(shù): 2/48頁(yè)
文件大?。?/td> 1932K
代理商: PM6680ATR
Electrical characteristics
PM6680A
10/48
Table 5.
Electrical characteristics (continued)
(TA = -40 °C to 125 °C, unless otherwise specified. All parameters at operating temperature
extremes are guaranteed by design and statistical analysis (not production tested).
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Minimum on time
On time pulse width@Vin = 24 V
FSEL to GND
OUT1=3.3 V
595
700
805
ns
OUT2=1.8 V
190
225
260
FSEL to VREF
OUT1=3.3 V
400
470
545
OUT2=1.8 V
145
170
200
FSEL to LDO5
OUT1=3.3 V
300
355
410
OUT2=1.8 V
105
125
145
Minimum off time
TOFFMIN @ Vin = 24 V
350
500
ns
Voltage reference
VREF
Voltage accuracy
4V < VLDO5 < 5.5 V
1.224
1.236
1.249
V
Load regulation
-100 A < IREF < 100 A
-4
4
mV
Undervoltage lockout fault
threshold
Falling edge of REF
0.95
mV
PWM comparator
FB
Voltage accuracy
-909
900
909
mV
FB
Input bias current
0.1
A
COMP
Over voltage clamp
Normal mode
250
mV
Pulse skip mode
60
COMP
Under voltage clamp
-150
Line regulation
Both SMPS, 6V < VIN < 36V
(2)
1%
LDO5 linear regulation
VLDO5
LDO5 linear output voltage
6 V < VIN < 36 V,
0 < ILDO5 < 50 mA
4.9
5.0
5.1
V
LDO5 line regulation
6 V < VIN < 36 V,
ILDO5 = 20 mA ,
0.004
%/V
ILDO5
LDO5 current limit
VLDO5 > UVLO
270
330
400
mA
ULVO
Under voltage lockout of
LDO5
3.94
4
4.13
V
2. By demoboard test
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