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L6598

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23
Electrical characteristics L6598
4/23 DocID6554 Rev 8
2 Electrical characteristics
V
S
= 12 V; V
BOOT
- V
OUT
= 12 V; T
A
= 25 °C
Table 4. Electrical characteristics
Symbol Pin Parameter Test condition Min. Typ. Max. Unit
Supply voltage
V
suvp
12
V
S
turn on threshold 10 10.7 11.4 V
V
suvn
V
S
turn off threshold 7.3 8 8.7 V
V
suvh
Supply voltage under
voltage hysteresis
2.7 V
V
cl
Supply voltage clamping 14.6 15.6 16.6 V
I
su
Start up current V
S
< V
suvn
250 µA
I
q
Quiescent current, fout =
60 kHz, no load
V
S
> V
suvp
2 3 mA
High voltage section
I
bootleak
16
BOOT pin leakage
current
V
BOOT
= 580 V 5 µA
I
outleak
14 OUT pin leakage current V
OUT
= 562 V 5 µA
R
DSon
16
Bootstrap driver on-
resistance
100 150 300
High/low side drivers
I
hvgso
15
High side driver source
current
V
HVG
- V
OUT
= 0 170 250 mA
I
hvgsi
High side driver sink
current
V
HVG
- V
BOOT
= 0 300 450 mA
I
lvgso
11
Low side driver source
current
V
LVG
- GND = 0 170 250 mA
I
lvgsi
Low side driver sink
current
V
LVG
- V
S
= 0 300 450 mA
t
rise
15,11
Low/high side output rise
time
C
load
= 1 nF 80 120 ns
t
fall
C
load
= 1 nF 40 80 ns
Oscillator
DC
14
Output duty cycle 48 50 52 %
f
min
Minimum output
oscillation frequency
C
f
= 470 pF;
R
fmin
= 50 k
58.2 60 61.8 kHz
f
start
Soft-start output
oscillation frequency
C
f
= 470 pF;
R
fmin
= 50 k;
R
fstart
= 47k
114 120 126 kHz
DocID6554 Rev 8 5/23
L6598 Electrical characteristics
23
V
ref
2, 4
Voltage to current
converters threshold
1.9 2 2.1 V
t
d
14
Deadtime between low
and high side conduction
0.2 0.27 0.35 µs
IVref 2, 4 Reference current 120 A
Timing section
k
ss
1 Soft-start timing constant C
ss
= 330 nF 0.115 0.15 0.185 s/µF
Sense op amp
l
IB
6, 7
Input bias current 0.1 µA
V
io
Input offset voltage -10 10 mV
R
out
5
Output resistance 200 300 ?
I
out-
Source output current V
out
= 4.5 V 1 mA
I
out+
Sink output current V
out
= 0.2 V 1 mA
V
ic
6,7
Op amp input common
mode range
-0.2 3 V
GBW
Sense op amp gain band
width product
(1)
0.5 1 MHz
Gdc DC open loop gain 60 80 dB
Comparators
Vthe1 8
Enabling comparator
threshold
0.56 0.6 0.64 V
Vthe2 9
Enabling comparator
threshold
1.05 1.2 1.35 V
tpulse 8,9 Minimum pulse length 200 ns
1. Guaranteed by design.
Table 4. Electrical characteristics (continued)
Symbol Pin Parameter Test condition Min. Typ. Max. Unit
Pin connections L6598
6/23 DocID6554 Rev 8
3 Pin connections
Figure 2. Pin connections
Table 5. Pin description
Pin no. Name Function
1 CSS Soft-start timing capacitor
2 R
fstart
Soft-start frequency setting - low impedance voltage source -see also C
f
3 C
f
Oscillator frequency setting - see also R
fmin
, R
fstart
4 R
fmin
Minimum oscillation frequency setting - low impedance voltage source - see also C
f
5 O
Pout
Sense op amp output - low impedance
6 O
Pon-
Sense op amp inverting input -high impedance
7 O
Pon+
Sense op amp non inverting input - high impedance
8 EN1 Half bridge latched enable
9 EN2 Half bridge unlatched enable
10 GND Ground
11 LVG Low side driver output
12 V
s
Supply voltage with internal Zener clamp
13 N.C. Not connected
14 OUT High side driver reference
15 HVG High side driver output
16 V
boot
Bootstrapped supply voltage
&VV
5IVWDUW
&I
5IPLQ
23287
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P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23

L6598

Mfr. #:
Buy L6598
Manufacturer:
STMicroelectronics
Description:
Power Management Specialized - PMIC High Volt Reson Cont
Lifecycle:
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