NCV8855BMNR2G ON Semiconductor, NCV8855BMNR2G Datasheet - Page 7

• Manufacturer Part Number: NCV8855BMNR2G
• Description: IC BUCK SYNC QUAD 40QFN
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck)r

Specifications of NCV8855BMNR2G

• Topology: Step-Down (Buck) (2), Linear (LDO) (2)
• Function: Automotive Radio and Instrument Cluster Power Supply
• Number Of Outputs: 4
• Frequency - Switching: 170kHz
• Voltage/current - Output 1: Controller
• Voltage/current - Output 2: Adjustable, 2.5A
• Voltage/current - Output 3: Controller
• W/led Driver: No
• W/supervisor: No
• W/sequencer: Yes
• Voltage - Supply: 9 V ~ 18 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 40-VFQFN Exposed Pad
• Voltage - Output: Adjustable
• Voltage - Input: 9 ~ 18 V
• Internal Switch(s): Both
• Synchronous Rectifier: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -
• Other names: NCV8855BMNR2G; NCV8855BMNR2GOSTR

ELECTRICAL CHARACTERISTICS
HS_EN = 5 V, VOUT3 = 3.3 V, VOUT4 = 8.5 V, IOUT[1:4] = 0 A) Min/Max values are valid for the temperature range −40°C v T
150°C unless noted otherwise. Min/Max values are guaranteed by test, design or statistical correlation.
SUPPLY VOLTAGES AND SYSTEM SPECIFICATION
Thermal Monitoring (T
HOT_FLG
System Enable
High−Side Enable
LDO Enable
SWITCH−MODE POWER SUPPLY CONTROLLER (SMPS1, VOUT1) SPECIFICATIONS
Over Current Protection
Internal Soft−Start
1. Guaranteed by design, not fully tested in production.
2. Indirectly guaranteed by test coverage of other parameters.
T
Thermal shutdown temperature
Delta junction temperature
(TSD2−T
Voltage low threshold
Leakage current
Sink capability
Logic high
Logic low
Pull down resistance
HS_EN logic high
HS_EN logic low
Pull down current
Leakage current
Logic high
Logic low
Pull down current
Leakage current
OCSET current sink
OCSET leakage current
OCSET comparator differential range
OCSET comparator common−mode
range
Current limit response time
Short circuit threshold voltage
Short circuit protection startup delay
Soft−start time
WARN2
hysteresis
WARN2
Parameter
)
MON_SW,
SMPS2 internal MOSFET temperature monitor)
(V
IN_SW
Symbol
I
SCTH1
I
LDO_EN
TSD2
HS_EN
t
SS1
= V
IN
= V
T
1 kW pull−up to 5 V, T
V
T
V
V
SYS_EN = 0 V, V
V
V
SYS_EN = 0 V, V
R
SYS_EN = 0 V, V
T
(Note 1)
(Note 1)
From rising edge of SN1
V
From SYS_EN rising edge, % of t
SW_FB1 = 0.5 V, (Note 2)
http://onsemi.com
J
J
J
HOT_FLG
HS_EN
HS_EN
LDO_EN
LDO_EN
OCSET
SW_FB1
> TWARN[x], 1 kW pullup to 5 V
= 25°C
= 25°C
ISNS1+
= 5 V
= 0.8 V
= 10 kW connected to 13.2 V
= 5 V
= 0.8 V
% of V
= V
= 0.8 V
7
ISNS1−
Conditions
REF
HS_EN
LDO_EN
OCSET
= V
J
= 25°C
ISNS2+
= 5 V
= 13.2 V,
= 5 V
= V
SS1,
ISNS2−
= 13.2 V, SYS_EN = LDO_EN =
Min
160
100
100
4.6
2.0
0.8
0.8
4.0
10
10
45
50
75
2
2
3
Typ
170
100
500
100
100
100
200
125
20
55
80
5
5
5
5
5
Max
180
500
500
500
500
750
275
150
0.4
0.8
2.0
2.0
20
30
10
10
65
19
85
7
J
v
Unit
mA
mV
kW
ms
°C
°C
°C
nA
mA
nA
mA
nA
mA
nA
ns
%
%
V
V
V
V
V
V
V
V