OB2212AP View Datasheet(PDF) - On-Bright Electronics
Part Name
Description
View to exact match
OB2212AP Datasheet PDF : 10 Pages
| |||
OB2211/OB2212
Primary-Side Regulation PWM Power Switch
ELECTRICAL CHARACTERISTICS
(TA = 25OC, VDD=VDDG=16V, if not otherwise noted)
Symbol
Parameter
Test Conditions
Min Typ Max Unit
Supply Voltage (VDD) Section
I DD ST
Standby current
VDD=13V
5
10
uA
I DD op
Operation Current
Operation supply current
INV=1.25V, CS=0V, -
VDD=VDDG=20V
mA
1.0 2.0
UVLO(ON)
VDD Under Voltage
Lockout Enter
7.5 8.5 9.5
V
UVLO(OFF)
VDD Under Voltage
Lockout Exit
14.0 15
16.0 V
OVP(ON)
Over voltage protection
voltage
CS=0V,INV=1V
Ramp up VDD until
gate clock is off
28.5
30.0
31.5
V
VDD_clamp
IDD=10mA
Current Sense Input Section
33
V
TLEB
LEB time
540
ns
Vth_oc
V TH_OC_test
780 820 860 mV
Td_oc
Propagation delay
300
ns
ZSENSE_IN
Input Impedance
50
Kohm
T_ss
Soft start time
4
ms
CV Section
Freq
Normal mode frequency
45 50 55
KHz
Freq_Burst
Burst Mode Base
Frequency
22
KHz
△f/Freq
Frequency shuffling range
+/-4
%
CC Section
Minimum frequency
12
KHz
Freq
Oscillation Frequency
Maximum frequency
50
KHz
Error Amplifier section
Vref_EA
Reference voltage for EA
1.21 1.25 1.29 V
Gdc
DC gain of the EA
50
dB
GBW
Unity gain bandwidth
37.5
kHz
Power MOSFET Section
BVdss
Mos Drain-Source
Breakdown Voltage
650
V
RDS(on)
Static Drain to Source On OB2211
Resistance
OB2212
12 15
Ώ
10 12
©On-Bright Electronics
On-Bright Confidential to MicroBridge
-5-
OB_DOC_DS_1100
|
|
Share Link: 