PM6686 STMicroelectronics, PM6686 Datasheet - Page 13

• Manufacturer Part Number: PM6686
• Description: Dual Step-down Controller With Adjustable Voltages, Adjustable Ldo And Auxiliary Charge Pump Controller For Notebook
• Manufacturer: STMicroelectronics

PM6686
Table 6.
Linear regulator and reference
Fault management
LDO_SW
LDO_SW
Symbol
VREF3
VREF2
LDO
LDO_SW switch on threshold
LDO output voltage
LDO accuracy in adjustable
mode
LDO short circuit current
(linear regulator enabled)
LDO_SW hysteresis
LDO_SW switch resistance
VREF3 output voltage
VREF3 current limit
VREF2 output voltage
VREF2 load regulation
VREF2 sink current
VIN shutdown current
VIN standby current
Operating power consumption
(VCC and VIN pins
consumption)
PVCC UVLO threshold
Overvoltage trip threshold
PG threshold
PG low voltage
PG leakage current
Electrical characteristics (continued)
Parameter
LDO_SW = GND, 5.5 V < VIN < 28 V,
LDOREFIN < 0.3 V, 0 < ILDO < 100 mA
LDO_SW = GND, 5.5 V < VIN < 28 V,
LDOREFIN = VREF3,
0 < ILDO < 100 mA
VIN = 5.5 V to 28 V, LDOREFIN = 0.35 V
to 2.25 V, no load
LDO = 4.3 V, LDO_SW = GND
LDO = 5 V, rising edge of LDO_SW,
LDOREFIN = GND
LDO = 5 V, falling edge of LDO_SW,
LDOREFIN = GND
LDO = 5 V, rising edge of LDO_SW,
LDOREFIN = GND,
output current = 200 mA
No load
VREF3 = GND
No load
0 < Load < 50 μA
VREF2 > 2.030 V
EN1 and EN2 low, EN_LDO low
EN1 and EN2 low, EN_LDO high,
LDOREFIN = GND
Switching regulators on,
FB1 = SKIP = GND, REFIN2 = VCC,
LDOREFIN = GND,
OUT1 = LDO_SW = 5.3V, OUT2 = 3.5 V
Rising edge of PVCC
Falling edge of PVCC
Referred to FB1 nominal regulation point
Referred to REFIN2 nominal regulation
point. worst case:REFIN2 = 0.7 V
Lower threshold
ISink = 4 mA
PG = 5 V
Doc ID 15281 Rev 4
Test condition
Electrical characteristics
4.925 5.000 5.075
3.250 3.300 3.350
3.235 3.300 3.365
1.980 2.000
4.64
Min
-2.5
260
159
-13
10
4.75
0.81
4.33
Typ
320
200
132
+11
+14
235
4,3
-10
22
49
6
4
1.275
+2.5
Max
4.84
2.02
380
400
180
405
6,5
30
70
-7
1
13/50
Unit
mW
mA
mV
mA
mV
mV
µA
µA
µA
µA
%
%
%
%
Ω
V
V
V
V
V
V
V