PM6680ATR STMicroelectronics, PM6680ATR Datasheet - Page 10

• Manufacturer Part Number: PM6680ATR
• Description: IC CTRLR DUAL STEP DOWN 32VFQFPN
• Manufacturer: STMicroelectronics

Specifications of PM6680ATR

• Applications: Controller, Embedded Computer System
• Voltage - Input: 6 ~ 36 V
• Number Of Outputs: 2
• Voltage - Output: 0.9 ~ 5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, 32-VFQFPN
• For Use With: 497-6379 - BOARD EVALUATION FOR PM6680A497-6378 - BOARD EVALUATION FOR PM6680497-6425 - BOARD EVAL BASED ON PM6680A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6896-2; PM6680ATR

Electrical characteristics
Table 5.
10/48
Minimum on time
Minimum off time
TOFFMIN @ Vin = 24 V
Voltage reference
PWM comparator
Line regulation
LDO5 linear regulation
2. By demoboard test
Symbol
VLDO5
COMP
COMP
ILDO5
VREF
ULVO
On time pulse width@Vin = 24 V
FB
FB
Electrical characteristics (continued)
(T
extremes are guaranteed by design and statistical analysis (not production tested).
Voltage accuracy
Load regulation
Undervoltage lockout fault
threshold
Voltage accuracy
Input bias current
Over voltage clamp
LDO5 linear output voltage
LDO5 line regulation
LDO5 current limit
Under voltage lockout of
LDO5
Under voltage clamp
A
= -40 °C to 125 °C, unless otherwise specified. All parameters at operating temperature
Parameter
FSEL to VREF
FSEL to LDO5
4V < VLDO5 < 5.5 V
-100 µA < IREF < 100 µA
Falling edge of REF
Normal mode
Pulse skip mode
Both SMPS, 6V < V
6 V < V
0 < ILDO5 < 50 mA
6 V < V
ILDO5 = 20 mA ,
VLDO5 > UVLO
FSEL to GND
IN
IN
Test condition
< 36 V,
< 36 V,
OUT1=3.3 V
OUT2=1.8 V
OUT1=3.3 V
OUT2=1.8 V
OUT1=3.3 V
OUT2=1.8 V
IN
< 36V
(2)
1.224
-909
3.94
Min
595
190
400
145
300
105
270
4.9
-4
1.236
-150
Typ
700
225
470
170
355
125
350
900
250
330
0.1
5.0
60
4
1.249
0.004
Max
0.95
4.13
805
260
545
200
410
145
500
909
400
5.1
4
1
PM6680A
Unit
%/V
mV
mV
mV
mV
mA
µA
ns
ns
%
V
V
V