ISL62884C Datasheet, PDF (7/30 Pages) Intersil Corporation – Single-Phase PWM Regulator for IMVP-6™ Mobile CPUs

ISL62884C
Electrical Specifications
Operating Conditions: V_DD = 5V, T_A = -40°C to +100°C, f_SW = 300kHz, unless otherwise
noted. Boldface limits apply over the operating temperature range, -40°C to
+100°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNITS
Minimum Output Voltage
(Note 7)
V_{CC_CORE(min)} VID = [1111111]
0
V
R_BIAS Voltage
CHANNEL FREQUENCY
R_BIAS = 147kΩ
1.45 1.47 1.49
V
Nominal Channel Frequency
Adjustment Range
f_SW(nom)
RF_SET = 7kΩ, V_COMP = 1V
295 310 325
kHz
200
500
kHz
AMPLIFIERS
Current-Sense Amplifier
Input Offset
I_FB = 0A
-0.15
+0.15 mV
Error Amp DC Gain (Note 7)
Error Amp Gain-Bandwidth
Product (Note 7)
A_v0
GBW
C_L = 20pF
90
dB
18
MHz
POWER GOOD AND PROTECTION MONITORS
PGOOD Low Voltage
PGOOD Leakage Current
PGOOD Delay
V_OL
I_OH
tpgd
I_PGOOD = 4mA
PGOOD = 3.3V
CLK_ENABLE# LOW to PGOOD HIGH
0.26 0.4
V
-1
1
µA
6.3
7.6
8.9
ms
UGATE DRIVER
UGATE Pull-Up Resistance
(Note 7)
R_UGPU
200mA Source Current
1.0
1.5
Ω
UGATE Source Current
(Note 7)
I_UGSRC
BOOT - UGATE = 2.5V
2.0
A
UGATE Sink Resistance
(Note 7)
R_UGPD
250mA Sink Current
1.0
1.5
Ω
UGATE Sink Current (Note 7)
LGATE DRIVER
I_UGSNK
UGATE - PHASE = 2.5V
2.0
A
LGATE Pull-Up Resistance
(Note 7)
R_LGPU
250mA Source Current
1.0
1.5
Ω
LGATE Source Current
(Note 7)
I_LGSRC
VCCP - LGATE = 2.5V
2.0
A
LGATE Sink Resistance
(Note 7)
R_LGPD
250mA Sink Current
0.5
0.9
Ω
LGATE Sink Current (Note 7)
UGATE to LGATE Deadtime
LGATE to UGATE Deadtime
BOOTSTRAP DIODE
I_LGSNK
t_UGFLGR
t_LGFUGR
LGATE - VSSP = 2.5V
UGATE falling to LGATE rising, no load
LGATE falling to UGATE rising, no load
4.0
A
23
ns
28
ns
Forward Voltage
Reverse Leakage
PROTECTION
V_F
PVCC = 5V, I_F = 2mA
I_R
V_R = 25V
0.58
V
0.2
µA
Overvoltage Threshold
Severe Overvoltage
Threshold
OV_H
OV_HS
VSEN rising above setpoint for >1ms
VSEN rising for >2µs
150 200 240
mV
1.675 1.7 1.725
V
OC Threshold Offset
Undervoltage Threshold
LOGIC THRESHOLDS
ISUM- pin current, R_COMP open circuit
28
30
32
µA
UV_f
VSEN falling below setpoint for >1.2ms
-355 -295 -235
mV
VR_ON Input Low
V_IL(1.0V)
0.3
V
7
FN7591.0
March 16, 2010