PM6685 STMicroelectronics, PM6685 Datasheet - Page 10

• Manufacturer Part Number: PM6685
• Description: IC CTLR DUAL SYNC STDN 5X5VFQFPN
• Manufacturer: STMicroelectronics

Specifications of PM6685

• Applications: Controller, Notebook Power System
• Voltage - Input: 6 ~ 28 V
• Number Of Outputs: 2
• Voltage - Output: -3.3V, 5V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, 32-VFQFPN
• Output Voltage: 5 V, 3.3 V
• Output Current: 0.1 A
• Input Voltage: 5.5 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 10 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical characteristics
Table 5.
10/48
On time pulse width
OFF time
Voltage reference
Integrator
Line regulation
LDO5 linear regulator
Symbol
T
I
CSENSE
COMP
V
UVLO
OFFMIN
I
V
LDO5
Ton
LDO5
REF
Electrical characteristics (continued)
Input bias current limit
Comparator offset
Zero crossing
comparator offset
Fixed negative current
limit
threshold
ON-time duration
Minimum off time
Voltage accuracy
Load regulation
Undervoltage lockout
fault threshold
LDO5 linear output
voltage
LDO5 line regulation
LDO5 current limit
Under voltage lockout of
LDO5
Over voltage clamp
Under voltage clamp
Parameter
V
V
V
FSEL to GND
FSEL to VREF
FSEL to LDO5
4.2V<V
-100μA< I
Falling edge of REF
Normal mode
Pulse skip mode
Both SMPS, 6V<Vin<28V
6V<VIN<28V, 0<I
6V< VIN < 28V, I
LDO3_SEL tied to GND
V
V
CSENSE
PGND
PGND
LDO5
OUT5
Doc ID 11674 Rev 8
>5.1V, V
-V
-V
> UVLO, I
LDO5
-V
PHASE
PHASE
REF
Test condition
PGND
< 5.5V
< 100μA
OUT3
LDO5
LDO3
LDO5
>3.34V
=0A
=50mA
<50mA
OUT3=3.3V
OUT3=3.3V
OUT3=3.3V
OUT5=5V
OUT5=5V
OUT5=5V
(1)
,
1.217
1685
1115
3.94
Min
780
585
830
470
270
4.9
90
-6
-1
-4
1.230
0.004
1985
1315
-120
-150
Typ
100
920
690
980
555
400
250
350
5.0
60
4
1.243
0.004
2285
1060
1515
1130
Max
0.95
4.13
110
795
640
500
400
5.1
11
6
4
PM6685
Unit
%/V
%/V
mV
mV
mV
mV
mV
mA
μA
ns
ns
V
V
V
V