參數(shù)資料
型號: PM6681ATR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 0.4 A DUAL SWITCHING CONTROLLER, QCC32
封裝: 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件頁數(shù): 3/47頁
文件大小: 2762K
代理商: PM6681ATR
PM6681A
Electrical characteristics
11/47
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
On time pulse width
Ton
On time duration_
@VIN = 24 V
FSEL to GND
OUT1 = 3.3 V
OUT2 = 1.8 V
575
680
785
ns
195
230
265
FSEL to VREF
OUT1 = 3.3 V
OUT2 = 1.8 V
390
460
530
145
175
205
FSEL to LDO5
OUT1 = 3.3 V
OUT2 =1.8 V
285
340
395
110
135
160
OFF time
TOFFMIN
Minimum off time
@VIN = 24 V
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< I
REF < 100 A-4
4
mV
Undervoltage lockout fault
threshold
Falling edge of REF
0.95
mV
Integrator
FB
Voltage accuracy
+891
+909
mV
FB
Input bias current
(1)
0.1
A
COMP
Over voltage clamp
Normal mode
250
mV
COMP
Under voltage clamp
-150
Line regulation
Both SMPS, 6 V < Vin < 36 V (1)
1%
LDO5 linear regulator
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
LDO linear regulator
VLDO
LDO linear output voltage
4.5 V< V5SW < 5.5 V
0.5 mA < ILDO < 50 mA
LDO FB connected to LDO
0.887
0.905
0.923
V
Table 6.
Electrical characteristics
(VIN = 24 V; TJ = 25 °C, unless otherwise specified) (continued)
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