参数资料
型号: PM6652TR
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, QCC32
封装: 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件页数: 5/53页
文件大小: 2519K
代理商: PM6652TR
PM6652
Electrical characteristics
Doc ID 16867 Rev 3
13/53
4
Electrical characteristics
TJ = 25 °C, VIN = +12 V, PVCC = +5 V if not otherwise specified.
Table 5.
Electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Supply section
ISVCC,QUIESCENT
IC supply current
COREON=5V, DPRSLPVR=5V, FB
forced above the regulation point
850
A
ISVCC,SHDN
Operating current in
shutdown
COREON=SGND, TA=25 °C
1
A
VSVCC UVLO
SVCC undevoltage
lockout upper threshold
Rising edge, controller disabled below
this level
4.3
4.5
V
SVCC undervoltage
lockout lower threshold
Falling edge, controller enabled above
this level
3.8
3.9
UVLO hysteresis
400
mV
ON-time
Ton
On-time duration
VCORE=1.5V
OSC=250mV
820
920
1020
ns
OSC=500mV
410
470
530
OSC=1V
210
248
280
OFF-time
TOFFMIN
Minimum off time
250
400
ns
Integrator
VCOMP
Overvoltage clamp
VOVCLAMP=VCOMP-VCSNS
80
mV
Undervoltage clamp
VUVCLAMP=VCOMP-VCSNS
-140
mV
Integrator offset
-2.5
2.5
mV
Voltages and DAC
VDAC
Internal DAC reference
voltage accuracy
DAC codes from 0.8125V to 1.5000V
-0.7%
0.7%
mV
DAC codes from 0.3000V to 0.8000V
-10
10
VDAC
slew-rate
VDAC output voltage
slew rate after VIDs
variation.
GFX mode selected, and DPRSLPVR
asserted, positive VDAC dV/dt only, or
VR11 mode selected.
10
12.5
mV/s
GFX mode selected, and DPRSLPVR
deassert, or CPU mode selected.
56.25
mV/s
IleakVCC_GFXC
VCORE voltage sense
leakage current
1A
VBOOT
Boot-up voltage
CPU or VR11 mode selected
1.100
V
Current sensing
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