參數(shù)資料
型號: PM6680TR
廠商: STMICROELECTRONICS
元件分類: 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, 1 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, VFQFPN-32
文件頁數(shù): 5/49頁
文件大?。?/td> 2931K
代理商: PM6680TR
PM6680
Electrical characteristics
13/49
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
On time pulse width
Ton
On time duration
FSEL to
GND
OUT1=1.5 V
550
650
750
ns
OUT2=1.05 V
230
270
315
FSEL to
VREF
OUT1=1.5 V
375
445
515
OUT2=1.05 V
175
210
245
FSEL to
LDO5
OUT1=1.5 V
285
340
395
OUT2=1.05 V
125
150
175
OFF time
TOFFMIN
Minimum off time
350
500
ns
Voltage reference
VREF
Voltage accuracy
4 V < 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
Integrator
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
Under voltage clamp
-150
Line regulation
Both SMPS, 6 V<Vin<28 V(2)
0.004
%/V
LDO5 linear regulator
VLDO5
LDO5 linear output voltage
6 V<VIN<28 V ,
0 < ILDO5 < 50 mA
4.9
5.0
5.1
V
LDO5 line regulation
6 V< VIN < 28 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
Table 5.
Electrical characteristics (continued)
VIN = 12 V, TA = 0 °C to 85 °C, unless otherwise specified
(1)
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