PAC5253
Power Application Controller
10.4. Electrical Characteristics
Table 8. Multi-Mode Switching Supply Controller Electrical Characteristics
(VHM = 24V, VP = 12V, and TA = -40°C to 105°C unless otherwise specified.)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Input Supply (VHM
)
IHIB;VHM
ISU;VHM
IOP;VHM
VOP:VHM
VHM hibernate mode supply current
VHM start up supply current
VHM, hibernate mode
18
75
36
120
0.5
52
µA
µA
mA
V
VHM < VUVLOR;VHM
DRM floating
VHM operating supply current
VHM operating voltage range
0.3
5.2
13.5
6.8
VUVLOR;VHM VHM under-voltage lockout rising
VUVLOF;VHM VHM under-voltage lockout falling
VCLAMP;VHM VHM clamp voltage
14.5
7.5
23
16
V
8.1
26.6
V
Clamp enabled, sink current = 100µA
V
ICLAMP;VHM
VHM clamp sink current limit
Clamp enabled
0.72
1.2
mA
Output Supply and Feedback (VP)
Programmable to 5V, 9V, 12V, or 15V
Load = 0 to 500mA
VREG;VP
kPOK;VP
kOVP;VP
VP output regulation voltage
-7
-1
87
5
%
%
%
VP power OK threshold
VP rising, hysteresis = 10%
82
92
VP rising, hysteresis = 15%
MMPM Controller enabled
VP over voltage protection threshold
136
Switching Control
fSWMACC;DRM Switching frequency accuracy
-10
181
45
10
%
High frequency mode, 8 settings
Low frequency mode, 8 settings
500
125
fSWM;DRM
Switching frequency programmable range
kHz
fSSU;DRM
Safe start up switching frequency
Minimum on time
9.5
kHz
nS
tONMIN;DRM
440
Low duty-cycle & Low-frequency mode
Low duty-cycle & High-frequency mode
High duty-cycle mode
25
%
nS
nS
tOFFMIN;DRM
Minimum off time
440
820
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Rev 1.24‒March 3, 2018
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
