PM6675AS STMicroelectronics, PM6675AS Datasheet - Page 9

• Manufacturer Part Number: PM6675AS
• Description: IC CTLR STP DWN HE LDO VFQFPN24
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of PM6675AS

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.5V, 0.6 ~ 3.3 V
• Current - Output: ±1A, ±2A
• Frequency - Switching: 33kHz
• Voltage - Input: 4.5 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-VFQFN, 24-VFQFPN
• Power - Output: 2.3W
• For Use With: 497-8426 - KIT EVAL PM6675S HE CTLR 2A REG497-8413 - BOARD EVAL BASED ON PM6675A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PM6675AS
4
Table 6.
Supply section
On-time (SMPS)
OFF-TIME (SMPS)
Voltage reference
SMPS output
Symbol
t
UVLO
OFFMIN
I
V
SHDN
I
t
I
SW
OUT
ON
IN
Operating current
(Switching + LDO)
Operating current (switching)
Shutdown operating current
AVCC Under Voltage Lockout
upper threshold
AVCC Under Voltage Lockout
lower threshold
UVLO hysteresis
On-time duration
Minimum Off-Time
Voltage accuracy
Load regulation
Undervoltage Lockout
Fault Threshold
SMPS fixed output voltage
Feedback output voltage
accuracy
Electrical characteristics
Electrical characteristics
T
specified
A
= - 25 °C to 85 °C , VCC = AVCC = +5 V, LIN = 1.5 V and LOUT= 0.6 V if not otherwise
Parameter
(1)
.
SWEN, LEN, VSEL and NOSKIP
connected to AVCC,
No load on LOUT output
SWEN, VSEL and NOSKIP
connected to AVCC, LEN coneected
to SGND.
SWEN and LEN tied to SGND.
VSEL low,
NOSKIP low,
V
4.5 V< V
-50 µA < I
VSEL connected to AVCC, NOSKIP
tied to SGND, No Load
VSNS
= 2 V
IN
VREF
Test condition
< 36 V
< 50 µA
V
V
OSC
OSC
.
= 300 mV
= 500 mV
1.224
3.85
Min
530
320
-1.5
4.1
Electrical characteristics
70
-4
1.237
4.25
Typ
630
380
300
800
4.0
1.5
1.249
Max
350
730
440
4.4
4.1
1.5
10
2
1
4
Unit
mA
mV
mV
µA
ns
ns
%
9/48
V
V
V