IP1837TRPBF International Rectifier, IP1837TRPBF Datasheet - Page 9
IP1837TRPBF
Manufacturer Part Number
IP1837TRPBF
Description
IC DC-DC REG SYNC BUCK LGA
Manufacturer
International Rectifier
Series
iPOWIR™r
Type
Step-Down (Buck), PWM - Voltage Moder
Datasheet
1.IP1837TRPBF.pdf
(40 pages)
Specifications of IP1837TRPBF
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
0.6 V ~ 12 V
Current - Output
35A
Frequency - Switching
250kHz ~ 1.5MHz
Voltage - Input
1.5 V ~ 16 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
*
Package / Case
*
Package
LGA - 7.7 x 7.7
Circuit
Single Output
Iout (a)
35
Switch Freq (khz)
250 - 1500
Input Range (v)
1.5 - 16
Output Range (v)
0.6 - 0.75*Vin
Internal Bias Ldo
Yes
Ocp Otp Uvlo Pre-bias Soft Start And
Remote Sense + Body Tracking + Temp Comp OCP
Pbf
PbF Option Available
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IP1837TRPBF
Manufacturer:
IR
Quantity:
20 000
Notes
3. Guaranteed by design but not tested in production.
Bootstrap Diode
Switch Node
Charge Pump (PVCC)
Body Braking
Power Good
Over Voltage Protection (OVP)
Over‐Current Protection
Thermal Shutdown
Shutdown Output
Threshold
Forward Voltage
SW Leakage Current
Output Voltage
Oscillator Frequency
BB Threshold
Power Good Lower
Threshold
Lower Threshold Delay
PGood Voltage Low
Leakage Current
OVP Trip Threshold
OVP Fault Prop Delay
OC Trip Current
SS Off Time
Thermal Shutdown
Hysteresis
PARAMETER
9
March 3, 2011 | V1.24
SD
lsw
PVCC
Fs_CP
BB_threshold
VPG (lower)
VPG (lower)_Dly
PG (voltage)
I
OVP (trip)
OVP (delay)
I
SS_Hiccup
LEAKAGE
TRIP
SYMBOL
Highly Integrated 35A Single‐input Voltage,
I(Boot) = 30mA, Note 3
SW = 0V, Enable = 0V
VCC = 3.3V, Fs = 1500 kHz,
Cload = 2.2uF
Fb > Vref, Sw duty cycle
Voso rising
Voso rising
I
Voso rising
Voso rising, Note 3
OC set pin left floating,
PVCC = 6.5V, TJ = 85°C
Note 3
Note 3
Note 3
PGood
= ‐5mA
Synchronous Buck Regulator
CONDITIONS
MIN
0.48
0.67
360
5.5
44
256/Fs
4096/
0.51
TYP
520
145
0.7
49
20
Fs
Fs
6
0
0
iP1837
MAX
0.54
0.73
960
200
0.1
6.5
0.5
54
3
1
97600
UNIT
mV
kHz
µA
µA
ns
°C
°C
%
V
V
V
V
V
A
s
s