IR3870MTR1PBF International Rectifier, IR3870MTR1PBF Datasheet - Page 5

• Manufacturer Part Number: IR3870MTR1PBF
• Description: IC BUCK SYNC ADJ 10A PQFN56
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3870MTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.5 ~ 12 V
• Current - Output: 10A
• Frequency - Switching: 200kHz ~ 1MHz
• Voltage - Input: 3 ~ 26 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 17-PowerVQFN
• Part Status: Active
• Package: PQFN / 5 x 6
• Circuit: Single Output
• Iout (a): 10
• Switch Freq (khz): 0 - 1000
• Input Range (v): 3.0 - 26
• Output Range (v): 0.5 - 12
• Ocp Otp Uvlo Pre-bias Soft Start And: Constant On-Time + OVP no OTP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: IR3870MTR1PBFTR

VCC Turn-on Threshold
VCC Turn-off Threshold
VCC Threshold Hysteresis
PVCC Turn-on Threshold
PVCC Turn-off Threshold
PVCC Threshold Hysteresis
VCC Shutdown Current
VCC Operating Current
PVCC Operating Current
PVCC Shutdown Current
FF Shutdown Current
V
PHASE Shutdown Current
Reference Accuracy, V
On-Time Accuracy
Min Off Time
Soft-Start Current
ISET pin output current
Under Voltage Threshold
Under Voltage Hysteresis
Over Voltage Threshold
Over Voltage Hysteresis
PGOOD Delay Threshold (V
* Note: PHASE pin must not exceed 30V.
Electrical Specifications
Unless otherwise specified, these specification apply over VIN = 12V, PVCC = 7VDC, 0
Recommended Operating Conditions
VIN
VCC
Boot to
PHASE
V
I
Fs
IN
OUT
Symbol
OUT
Shutdown Current
FAULT PROTECTION
BIAS SUPPLIES
CONTROL LOOP
PARAMETER
Input Voltage
Supply Voltage
Supply Voltage
Output Voltage
Output Current
Switching Frequency
REF
Definition
SS
)
NOTE
1
EN=LOW
RFF = 180kΩ, EN = HIGH
RFF = 180kΩ,
EN = HIGH, Fs = 500kHz
EN=LOW
EN=LOW
EN=LOW
EN=LOW
R
EN = HIGH
Falling V
Rising V
Rising V
Rising V
FF
= 180 kΩ, T
TEST CONDITION
FB
FB
FB
FB
& monitor PGOOD
& monitor PGOOD
Min
0.5
3
3
0
J
= 65
0
C
1000
Max
26*
3.6
7.0
12
10
0.495
MIN
2.65
2.65
0.37
0.56
280
18
8
IR3870MBF
o
TYP
0.25
C ≤ T
300
300
1.2
0.1
0.5
0.4
7.5
0.6
7.5
0.6
60
60
30
20
10
20
8
0
J
Units
kHz
≤ 125
V
A
0.505
MAX
3.05
0.43
0.64
320
60
60
12
22
3
2
1
2
o
C.
5
UNIT
mV
mV
mA
mA
mV
mV
μA
μA
μA
μA
μA
μA
μA
ns
ns
V
V
V
V
V
V
V
V