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TDA8931 Datasheet, PDF (12/31 Pages) NXP Semiconductors – Power comparator 1 X 20 W
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Philips Semiconductors
TDA8931
Power comparator 1 × 20 W
Table 9: Characteristics …continued
VP = 22 V; Tamb = 25 °C; fcarrier = 290 kHz; unless otherwise specified.
Symbol Parameter
Conditions
Power-up input: pin POWERUP
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
with respect to CGND
with respect to CGND
Standby mode
Operating mode
Vhys
hysteresis voltage
II
input current
Enable input: pin ENABLE
VI = 5 V
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
Vhys
hysteresis voltage
II
input current
Internal stabilizer output: pin STABI
with respect to CGND
with respect to CGND
VI = 5 V
VO
output voltage
with respect to VSSD
Comparator full differential input stage: pins INP and INN
Voff(i)(eq)
Vn(i)(eq)
equivalent input offset voltage
equivalent input RMS-noise
voltage
20 Hz < fi < 20 kHz
Vi(cm)
common mode input voltage
Ii(bias)
bias input current
Half supply voltage output for input circuitry: pin HVPI
VHVPI
output voltage on pin HVPI
Standby and Operating mode
Half supply voltage output to charge SE capacitor: pin HVP
VHVP
output voltage on pin HVP
Standby mode
Icharge
charge current of HVP capacitor
Overtemperature protection (OTP)
TOTP
overtemperature protection level
Overvoltage protection (OVP)
VP(OVP)fix fixed OVP threshold level
VOVP
adjustable OVP level
Undervoltage protection (UVP)
VP(min)
protection level minimum supply
voltage
Overcurrent protection (OCP)
IOCP
overcurrent protection level
level internal fixed
[1] VIH on pin ENABLE must not exceed VDDA.
[2] The overvoltage protection can be controlled external (see Section 8.6.3).
Min
Typ
Max Unit
-
-
0.8
V
3
-
7
V
11
-
VP
V
-
0.5
-
V
-
30
40
µA
-
[1] 3
-
-
-
0.8
V
-
12
V
0.3
-
V
30
40
µA
11
12
14
V
-
-
-
-
VSSA + -
4
-
24
10
mV
15
mV
VDDA − V
5
60
nA
0.5VP − 0.5VP
0.25
0.5VP + V
0.25
0.5VP − 0.5VP
0.25
20
45
0.5VP + V
0.25
-
mA
150
155
-
°C
35
37.5 40
V
[2] 1.19
1.27
1.35
V
10
11
12
V
3.3
4.0
-
A
9397 750 13847
Preliminary data sheet
Rev. 01 — 14 January 2004
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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