Datasheet

Electrical specifications L6738A
12/32 Doc ID 18134 Rev 2
∆V
OSC
PWM ramp amplitude 2 V
d Duty cycle 0 100 %
EN
Input logic high EN rising 0.9 V
Input logic low EN falling 0.5 V
Reference and error amplifier
Output voltage accuracy Vout to FBG -0.5 - 0.5 %
A
0
DC gain
(1)
120 dB
GBWP Gain-bandwidth product
(1)
15 MHz
SR Slew-rate
(1)
8V/µs
Gate driver
I
UGATE
HS Source current
(1)
BOOT - PHASE = 12 V;
C
UGATE
to PHASE = 3.3 nF
2A
R
UGATE
HS sink resistance BOOT - PHASE = 12 V; 100 mA 2 2.5 Ω
I
LGATE
LS source current
(1)
C
LGATE
to GND = 5.6 nF 3 A
R
LGATE
LS sink resistance 100 mA 1 1.5 Ω
Current sense amplifier
V
OCTH
OC current threshold CSP - CSN; 7x masking 17 20 23 mV
PGOOD and protection
PGOOD
OVP threshold
VSEN rising 0.870 0.900 0.930 V
Un-latch, VSEN falling 0.350 0.400 0.450 V
UVP threshold VSEN falling 0.570 0.600 0.630 V
1. Guaranteed by design, not subject to test.
Table 5. Electrical characteristics (continued)
Symbol Parameter Test conditions Min. Typ. Max. Unit