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Electrical Characteristics (VDD=16V, TA=25°C, unless otherwise specified)
Symbol
Parameter
Test Conditions
Supply Voltage (VDD) Section
Min.
Typ.
Max.
Unit
IDD_ST
IDD_OP
Standby current
VDD=13V
‐
‐
5
20
uA
Operation supply current
INV=2V,CS=0V, VDD=VDDG=20V
VDD falling
VDD rising
Ramp up VDD until gate clock is off
IDD=10mA
Operation Current
2.5
3.5
mA
13.5
7.5
27.5
30.5
14.5
8.5
29.5
32.5
16.0
10
31.5
34.5
UVLO(ON)
UVLO(OFF)
OVP
VDD Under Voltage Lockout Enter
VDD Under Voltage Lockout Exit
Over voltage protection voltage
Maximum VDD opertation voltage
V
V
V
V
VDD_Clamp
Current Sense Input Section
TLEB
Vth_oc
Td_oc
ZSENSE_IN
Tss
LEB time
‐
‐
‐
‐
‐
‐
540
900
150
50
‐
ns
mV
ns
KΩ
ms
Over current threshold
OCP Propagation delay
Input Impedance
Soft start time
870
930
‐
‐
‐
‐
‐
‐
10
CV Section
Freq_Nom
Freq_startup
Δf/Freq
System Nominal switch frequency
‐
‐
‐
‐
60
14
+/‐4
‐
‐
‐
KHZ
KHZ
%
‐
INV=0V, Comp=5V
Frequency jitter range
‐
Error Amplifier section
VREF_EA
Gdc
Reference voltage for EA
DC gain of the EA
‐
‐
1.97
‐
‐
2
60
42
2.03
‐
‐
V
dB
uA
I_COMP_MAX Max. Cable compensation current
INV=2V, COMP=0V
Power MOSFET Section
BVdss
RDS(on)
MOSFET Drain‐Source Breakdown Voltage
Static Drain to Source On Resistance
‐
‐
‐
‐
650
3.0
‐
V
Ω
3.6
DS‐RS2138‐03 September, 2009
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ORISTER [ ORISTER CORPORATION ]
